347 + Interview Questions in Design Of Ic Engine Components in Automotive Engine Design Page 4 InterviewSolution

151.	At which position of the piston, connecting rod cap experience inertia force?(a) Center(b) Side dead center(c) Top dead center(d) Bottom dead centerThe question was posed to me by my college professor while I was bunking the class.My query is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» The correct option is (c) Top dead CENTER To explain I would say: The maximum force experienced by the CONNECTING rod CAP and bolts consists only of INERTIA force at the top dead center on the exhaust stroke. Hence, connecting rod cap experience inertia force at the top dead center.

Discussion

152.	In low-speed engines, L/r ratio varies from?(a) 2(b) 5 to 7(c) 3(d) 4 to 5This question was posed to me by my school teacher while I was bunking the class.Asked question is from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» Correct ANSWER is (d) 4 to 5 Best explanation: In low-speed ENGINES, connecting rods havea CIRCULAR cross-section, this section can WITHSTAND the force when L/r ratio is 4 to 5.

Discussion

153.	In the formula Pc=dplp(pb)p what is dp?(a) Inner Diameter of the bush(b) Outer Diameter of the bush(c) Inner Diameter of the bore(d) Outer Diameter of the boreThis question was addressed to me in an interview for job.My doubt stems from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» Correct ANSWER is (a) Inner Diameter of the bush For explanation I WOULD say: In the formula, Pc is the force acting on the piston pin, dpis the diameter of the piston pin, LP is the length of piston pin, (PB)p is the allowable bearing pressure.

Discussion

154.	Calculate the diameter of crankpin when Pc=42951.46, lc=1.1dp and (pb)c=8.5?(a) 67.78mm(b) 77.65mm(c) 57.23mm(d) 47.54mmI had been asked this question during an interview.I would like to ask this question from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Right CHOICE is (a) 67.78mm For explanation I WOULD SAY: By the formulaPc=dclc(PB)c 42951.46=dc×1.1dp×8.5 dc=67.78mm

Discussion

155.	Calculate the diameter of the piston pin when Pc=42951.46, lp=1.8dp, and (pb)p=14?(a) 35.88mm(b) 41.28mm(c) 45.89mm(d) 39.33mmThe question was posed to me in an international level competition.I want to ask this question from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT CHOICE is (b) 41.28mm To ELABORATE: By the formula Pc=dplp(pb)p 42951.46=dp×1.8dp×14 dp=41.28mm

Discussion

156.	In the formula Pc=dclc(pb)c, what is the unit of lc?(a) m(b) km(c) mm(d) N-mmThis question was posed to me during an online exam.My question comes from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» Correct ANSWER is (c) mm Easiest EXPLANATION: In the formula, dc is the diameter of the PISTON pin, (PB)c is the allowable bearing pressure, lc is the length of piston pin, and is TAKEN in mm.

Discussion

157.	What is the l/d ratio for the crank pin?(a) 1 to 2.5(b) 1.5 to 1.9(c) 1.25 to 1.5(d) 1.67 to 1.9This question was addressed to me in an online interview.Origin of the question is IC Engine in division Design of IC Engine Components of Automotive Engine Design
Answer» Right option is (c) 1.25 to 1.5 To ELABORATE: The allowable bearing pressure for the crankpin bush is usually taken from 5 to 10MPa, for this VALUE the l/d RATIO of crankpin is from 1.25 to 1.5.

Discussion

158.	In which lubrication system oil is fed under high pressure?(a) Splash system(b) Pressure feed system(c) Lift system(d) Feed systemI got this question in examination.Origin of the question is IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» The correct CHOICE is (b) PRESSURE feed system Easy EXPLANATION: In the Pressure feed lubrication system the oil is pumped under HIGH pressure using a pump connected to crankshaft and oil lines.This system is used mainly in car engines for better cooling.

Discussion

159.	Which material is used in piston pin bearing?(a) Nickel-chromium(b) Silver(c) Iron(d) Phosphor bronzeI got this question in a national level competition.Question is taken from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» Right choice is (d) PHOSPHOR bronze Easiest EXPLANATION: The piston pin bearing is USUALLY a phosphor bronze of 3 MM thickness and it is an alloy of copper; it has good strength and corrosion RESISTANCE.

Discussion

160.	Using which process piston pin bearing is manufactured?(a) Forming(b) Forging(c) Casting(d) MachiningThe question was posed to me in an internship interview.This intriguing question originated from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» The correct OPTION is (c) Casting The best I can explain: It is a SOLID one-piece BUSH, made by casting and then finished by GRINDING and reaming operations. Grinding is done to reduce the friction and gives a shiny SURFACE. Hence, casting is the right answer.

Discussion

161.	What is the Height of connecting rod at the big end when H=125mm?(a) 135 to 180.25mm(b) 124.56 to 160mm(c) 135.5 to 156.25mm(d) 110.89 to 111.90mmI got this question in quiz.Enquiry is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The correct option is (c) 135.5 to 156.25mm For EXPLANATION I would SAY: HEIGHT of connecting ROD at the big end is H2= 1.1H to 1.25H = 1.1×125 to 1.25×125 = 135.5 to 156.25mm

Discussion

162.	What is the height of the connecting rod at the middle section when t=25mm?(a) 125mm(b) 225mm(c) 95mm(d) 150mmI got this question in a job interview.My doubt stems from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT option is (a) 125mm Explanation: Height of the CONNECTING ROD at the middle section is H=5t = 5×25= 125mm

Discussion

163.	What is the Height of connecting rod at the small end when H=125mm?(a) 50.85 to 90.60mm(b) 100.5 to 130.89mm(c) 105 to 122.6mm(d) 93.75 to 112.5mmI had been asked this question in an interview for job.The question is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» The correct CHOICE is (d) 93.75 to 112.5mm Easiest explanation: HEIGHT of CONNECTING rod at the SMALL end is H1=0.75H to 0.9H = 0.75×125 to 0.9×125 = 93.75 to 112.5mm

Discussion

164.	In the formula Pcr=\(\frac{\sigma_c A}{1+a(\frac{L}{K_{xx}})}\) what is Kxx?(a) Radius of cylinder(b) Constant(c) Radius of gyration(d) The radius of the big endI have been asked this question in quiz.I'm obligated to ask this question of IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» Right answer is (c) RADIUS of GYRATION For explanation: Here PC is the FORCE on connecting rod, A is the cross-sectional area, L is the length of connecting rod, a is end fixity coefficient, σc is stress and Kxx is the radius of gyration.

Discussion

165.	Which of the mentioned below is the Rankine’s formula?(a) Pcr=\(\frac{A}{1+a(\frac{L}{K_{xx}})}\)(b) Pcr=\(\frac{\sigma_cA}{1+a(\frac{L}{K_{xx}})}\)(c) Pcr=\(\frac{A^2}{1+a(\frac{L}{K_{xx}})}\)(d) Pcr=\(\frac{\sigma_cA^2}{1+a(\frac{L}{K_{xx}})}\)I got this question by my college professor while I was bunking the class.I'm obligated to ask this question of IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT option is (b) Pcr=\(\frac{\sigma_cA}{1+a(\frac{L}{K_{xx}})}\) Explanation: The Rankine’s formula is given by Pcr=\(\frac{\sigma_cA}{1+a(\frac{L}{K_{xx}})}\) where pc is the force on connecting rod, A is the cross-sectional area, L is the length of connecting rod, a is end FIXITY COEFFICIENT, σc is stress and Kxx is the RADIUS of gyration.

Discussion

166.	Find the radius of gyration when the thickness of the web is 15mm?(a) 26.7mm(b) 17.6mm(c) 19.7mm(d) 28.6mmThe question was asked in exam.Origin of the question is IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» RIGHT option is (a) 26.7mm For explanation I WOULD say: RADIUS of GYRATION Kxx=1.78t = 1.78×15 = 26.7mm

Discussion

167.	Find the cross-sectional area of the connecting rod when the thickness of the web is 15mm?(a) 2651mm^2(b) 1265mm^2(c) 2475mm^2(d) 2561mm^2This question was addressed to me in an interview for internship.My doubt is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» CORRECT OPTION is (C) 2475mm^2 The EXPLANATION: A=11t^2 =11×15^2 =2475mm^2

Discussion

168.	Find the force acting on the piston when the force acting on connecting rod is 40N and the angle of inclination is 20°?(a) 35N(b) 30KN(c) 37.5N(d) 40KNThis question was addressed to me in my homework.Origin of the question is IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» RIGHT ANSWER is (c) 37.5N To elaborate: FORCE acting on piston is Pe=Pccos∅ = 40×cos20 = 37.5N

Discussion

169.	What is buckling of connecting rod?(a) Straightening(b) Bending(c) Widening(d) ElongationThis question was posed to me during an interview.This question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» The correct choice is (B) Bending Explanation: Due to the COMPRESSIVE load from the PISTON and crankshaft, the connecting rod tends to BEND. This bending of the connecting rod is known as the buckling of the connecting rod.

Discussion

170.	In the formula P=Pccos∅, what is Pc?(a) The pressure acting on the camshaft(b) Force acting on the camshaft(c) The pressure acting on connecting rod(d) Force acting on connecting rodThis question was posed to me during an interview.I want to ask this question from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer»

Discussion

171.	Buckling of the connecting rod is along which axis?(a) XX- axis(b) YY-axis(c) ZZ-axis(d) XY-axisThis question was posed to me in an online interview.My enquiry is from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» RIGHT option is (a) XX- axis For explanation I would say: In the plane of motion, the BUCKLING of the CONNECTING rod is along XX-axis and the end FIXITY COEFFICIENT is one. Hence, XX-axis is the right answer.

Discussion

172.	What is the coefficient of fixity along the YY-axis in buckling of connecting rod?(a) 1(b) 3(c) 4(d) 2The question was asked during a job interview.My question comes from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The correct ANSWER is (c) 4 Explanation: In the PLANE perpendicular to the plane of motion, for the buckling about the YY-axis, the END fixity coefficient(n) is 4. For a HINGE support coefficient of fixity is zero.

Discussion

173.	The ends of the connecting rod are fixed due to which effect?(a) Parallel effect(b) Perpendicular effect(c) Non-constraining effect(d) Constraining effectI got this question by my college director while I was bunking the class.This is a very interesting question from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT choice is (d) CONSTRAINING effect Easy explanation: In the plane PERPENDICULAR to the plane of motion, the ENDS of the connecting rod are fixed due to the constraining effect of the BEARING at the crankpin and the piston pin.

Discussion

174.	The planes of the connecting rod are parallel to each other.(a) True(b) FalseI have been asked this question during a job interview.My enquiry is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» Correct choice is (b) FALSE To elaborate: The buckling of the CONNECTING rod is in TWO different planes- the plane of MOTION and a plane perpendicular to the plane of motion. Therefore, the statement is false.

Discussion

175.	The ends of the connecting rod are _____ to the piston pin.(a) beam(b) fixed support(c) hinged(d) roller supportThe question was asked in homework.Enquiry is from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer» Correct OPTION is (C) HINGED The explanation: In the plane of motion, the ends of the connecting rod are hinged to crankpin and PISTON pin.Hinge is one kind of support used to OBTAIN eccentric motion. Therefore, the hinge is the right answer.

Discussion

176.	The buckling of the connecting rod has how many planes?(a) 2 planes(b) 1 plane(c) 3 planes(d) 6 planesThe question was posed to me in homework.My doubt stems from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» The correct choice is (a) 2 planes The explanation is: The BUCKLING is the BENDING of the connecting ROD. The buckling of the connecting rod is in TWO different planes- the plane of motion and a plane perpendicular to the plane of motion.

Discussion

177.	The connecting rod is designed as a _____(a) square(b) guideways(c) strut(d) cylinderI got this question during an internship interview.My question is based upon IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» CORRECT OPTION is (c) strut To EXPLAIN I would say: The connecting rod should be very stiff and have good strength to withstand the LOAD. Therefore, the connecting rod is designed as a column or strut.

Discussion

178.	Connecting rod experiences load from which part of the engine?(a) Cylinder(b) Cylinder head(c) Piston(d) CrankshaftI had been asked this question in an internship interview.My doubt stems from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» Correct choice is (c) Piston The best explanation: CONNECTING rod top part i.e., SMALL end is connected to the piston, and the piston EXPERIENCE maximum gas PRESSURE during. Hence, connecting rod EXPERIENCES load from the piston.

Discussion

179.	Connecting rod is subjected to which type of force during buckling?(a) Axial strain(b) Shear stress(c) Tensile force(d) Compressive forceThe question was asked in my homework.I'd like to ask this question from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer»

Discussion

180.	The spout is attached to which end of the connecting rod?(a) Big end(b) Small end(c) Shank(d) Wrist pinThe question was posed to me during an internship interview.My question is based upon IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT answer is (a) BIG end The best explanation: Spout is an extended METAL PIECE appearing as a spoon-like structure. This is connected to the big end of the connecting rod. Spout lifts the oil from oil sump and SPLASH around the cylinder.

Discussion

181.	The spout dips into oil sump during which motion?(a) Right-ward motion(b) Upward motion(c) Downward motion(d) Left-word motionThis question was posed to me in an internship interview.This intriguing question originated from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» Correct OPTION is (c) DOWNWARD motion For explanation I would say: The spout dips into the sump of LUBRICATING oil during the downward motion of the connecting rod and SPLASHES the oil as the connecting rod move UPWARD.

Discussion

182.	In which type of lubrication system, the spout is present?(a) Pour lubrication(b) Pressure lubrication(c) Splash lubrication(d) Lift lubricationI got this question in final exam.Question is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» Right answer is (C) Splash lubrication The best I can explain: In the splash lubrication SYSTEM, the spout dips into the sump of LUBRICATING oil during the downward motion of the connecting ROD and SPLASHES the oil as the connecting rod move upward.

Discussion

183.	Which are the two types of lubrication system?(a) Lift and splash feed(b) Splash and pressure feed(c) Splash and pour feed(d) Pour and pressure feedThis question was posed to me in unit test.Origin of the question is IC Engine in division Design of IC Engine Components of Automotive Engine Design
Answer» Correct option is (b) SPLASH and pressure feed The best EXPLANATION: There are two types of lubrication of bearings at the two ends- splash lubrication system and pressure feed lubrication system.This helps in SMOOTH function and Noiseless.

Discussion

184.	Cap is attached to which end of the connecting rod?(a) Small end(b) Shank(c) Wrist pin(d) Big endI got this question in examination.Question is from IC Engine in division Design of IC Engine Components of Automotive Engine Design
Answer» The correct option is (d) Big END For explanation I WOULD say: Cap is attached to the big end of the bearing holding the crankshaft. Cap is bolted to the big end ALONG with bearings. Cap EXPERIENCES force during the downward STROKE of the piston.

Discussion

185.	How many percent of carbon is present in medium carbon steel?(a) 5% to 10%(b) 0.35% to 0.45%(c) 0.73% to 0.85%(d) 20% to 30%I had been asked this question in an interview for internship.My doubt stems from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The correct choice is (B) 0.35% to 0.45% Explanation: The medium carbon steels CONTAIN 0.35% to 0.45% of carbon CONTENT, the alloy steels INCLUDE nickel-chromium or chromium-molybdenum steels.

Discussion

186.	Which material is used in connecting rod?(a) Steel(b) Tin(c) Medium carbon steel(d) TungstenThis question was addressed to me in an interview for internship.This question is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Correct CHOICE is (c) MEDIUM carbon steel Easy EXPLANATION: The materials used for the connecting rod are either medium carbon steels or ALLOY steels. This steel has both carbon and manganese, they are quenched and tempered.

Discussion

187.	Which force is experienced by connecting rod?(a) Stress(b) Torsion(c) Moment(d) Inertia forceI have been asked this question in examination.This intriguing question comes from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Right answer is (d) Inertia force The explanation: The connecting ROD is subjected to the force of gas PRESSURE and the inertia force of the reciprocating PART. Hence, the Inertia force is the right answer.

Discussion

188.	The connecting rod is manufactured using which process?(a) Drop forging(b) Slip casting(c) Welding(d) Die castingI had been asked this question by my college director while I was bunking the class.Question is taken from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» The correct answer is (a) Drop forging To ELABORATE: The Connecting rod is manufactured by dropping a die on a red-hot metal. Due to this manufacturing technique, it can withstand high GAS PRESSURE.

Discussion

189.	The rod that transmits reciprocating motion to rotary motion is known as?(a) Camshaft(b) Connecting rod(c) Crankshaft(d) PistonI have been asked this question in my homework.The above asked question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» CORRECT OPTION is (B) Connecting rod To elaborate: The MAJOR basic function of the connecting rod is to convert RECIPROCATING motion from the piston to the rotary motion of the crankshaft.

Discussion

190.	For what purpose rifle hole is drilled in connecting rod?(a) Cooling(b) Combustion(c) Lubrication(d) DiffusionThe question was asked in an international level competition.This interesting question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» Right option is (c) Lubrication Easy explanation: Rifle HOLE is the long DRILLED in the CONNECTING rod that CONNECTS the bearings of small END and big end, its major usage is for lubrication.

Discussion

191.	What is the basic function of the connecting rod?(a) To transmit force from piston to crankshaft(b) To transmit rotary motion from the piston to the crankshaft(c) To transmit oscillation from piston to crankshaft(d) To transmit force from piston to piston pinI had been asked this question during an interview.Query is from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT answer is (a) To transmit force from piston to CRANKSHAFT Easiest explanation: The major BASIC FUNCTION of the connecting rod is to transmit the PUSH and pull forces from the piston to the crankshaft. The force is created by the combustion in the Cylinder.

Discussion

192.	The part that connects the small end and the big end of the connecting rod is known as ______(a) big end(b) cap(c) shank(d) small endI had been asked this question in an online interview.I want to ask this question from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Correct option is (c) SHANK For explanation I WOULD say: The big end of the CONNECTING rod is connected to the crankshaft whereas the PISTON is connected to the small end of the connecting rod, and the part that CONNECTS small end and the big end of the connecting rod is the shank.

Discussion

193.	The small gap between the cylinder liner and piston is known as _____(a) piston rib(b) piston clearance(c) piston head(d) wrist clearanceThe question was posed to me in semester exam.My doubt stems from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» The correct CHOICE is (B) piston clearance The best I can explain: Piston clearance is the clearance between the cylinder liner and piston that is PROVIDED to take CARE of thermal expansion and distortion under load.

Discussion

194.	The crankshaft is connected to which end of the connecting rod?(a) Edge of shank(b) Small end(c) Big end(d) ShankThe question was posed to me during an online interview.Question is taken from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Correct choice is (C) Big end The explanation: The big end of the CONNECTING rod is connected to the crankshaft whereas the piston is connected to the SMALL end of the connecting rod, and shank holds both the ENDS.

Discussion

195.	The piston is connected to which end of the connecting rod?(a) Shank(b) Big end(c) Edge of shank(d) Small endI got this question in an interview.This is a very interesting question from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT option is (d) Small END The EXPLANATION: Piston is connected to the small end of the connecting rod whereas the big end is connected to the CRANKSHAFT, and shank HOLDS both the ends.

Discussion

196.	Calculate the mean diameter of the piston boss for aluminum alloy piston, when do=50mm?(a) 60mm(b) 70mm(c) 80mm(d) 90mmThe question was asked during a job interview.The origin of the question is IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» Correct option is (C) 80MM Best explanation: MEAN DIAMETER of piston bosses di=1.6×d0 = 1.6×50 = 80mm

Discussion

197.	Calculate the mean diameter of the piston boss for grey cast iron piston, when do=50mm?(a) 30mm(b) 50mm(c) 60mm(d) 70mmI had been asked this question in an international level competition.I'd like to ask this question from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT ANSWER is (d) 70mm Explanation: Mean diameter of PISTON BOSSES di=1.4×d0 = 1.4×50 = 70mm

Discussion

198.	Calculate the inner diameter of the piston when the outer diameter is 50mm?(a) 30mm(b) 25mm(c) 40mm(d) 35mmThis question was posed to me during an interview.Asked question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» RIGHT ANSWER is (a) 30MM To EXPLAIN I would say: Inner diameter di=0.6×d0 = 0.6×50 = 30mm

Discussion

199.	Calculate the resisting force when (Pb)l=5N/mm^2, d0=110mm, l1=67?(a) 73426N(b) 36850N(c) 238746N(d) 28642NThe question was asked in an online quiz.Enquiry is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» Correct OPTION is (B) 36850N For EXPLANATION: Resisting FORCE=(Pb)ld0l1 = 5×110×67 = 36850N

Discussion

200.	Piston pin passes through which part of the piston?(a) Oil ring(b) Riffle hole(c) Piston bosses(d) Compression ringThis question was addressed to me in my homework.This intriguing question comes from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT choice is (C) PISTON bosses The best I can explain: Piston pin passes through the piston bosses provided on the inner side of the piston SKIRT and a bearing bush inside the small end of a connecting rod.

Discussion

Explore topic-wise InterviewSolutions in .

In low-speed engines, L/r ratio varies from?(a) 2(b) 5 to 7(c) 3(d) 4 to 5This question was posed to me by my school teacher while I was bunking the class.Asked question is from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

Calculate the diameter of crankpin when Pc=42951.46, lc=1.1dp and (pb)c=8.5?(a) 67.78mm(b) 77.65mm(c) 57.23mm(d) 47.54mmI had been asked this question during an interview.I would like to ask this question from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

In the formula Pc=dclc(pb)c, what is the unit of lc?(a) m(b) km(c) mm(d) N-mmThis question was posed to me during an online exam.My question comes from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

What is the l/d ratio for the crank pin?(a) 1 to 2.5(b) 1.5 to 1.9(c) 1.25 to 1.5(d) 1.67 to 1.9This question was addressed to me in an online interview.Origin of the question is IC Engine in division Design of IC Engine Components of Automotive Engine Design

In which lubrication system oil is fed under high pressure?(a) Splash system(b) Pressure feed system(c) Lift system(d) Feed systemI got this question in examination.Origin of the question is IC Engine in section Design of IC Engine Components of Automotive Engine Design

Which material is used in piston pin bearing?(a) Nickel-chromium(b) Silver(c) Iron(d) Phosphor bronzeI got this question in a national level competition.Question is taken from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design

Using which process piston pin bearing is manufactured?(a) Forming(b) Forging(c) Casting(d) MachiningThe question was posed to me in an internship interview.This intriguing question originated from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

What is the Height of connecting rod at the big end when H=125mm?(a) 135 to 180.25mm(b) 124.56 to 160mm(c) 135.5 to 156.25mm(d) 110.89 to 111.90mmI got this question in quiz.Enquiry is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design

What is the height of the connecting rod at the middle section when t=25mm?(a) 125mm(b) 225mm(c) 95mm(d) 150mmI got this question in a job interview.My doubt stems from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

Find the radius of gyration when the thickness of the web is 15mm?(a) 26.7mm(b) 17.6mm(c) 19.7mm(d) 28.6mmThe question was asked in exam.Origin of the question is IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

Find the cross-sectional area of the connecting rod when the thickness of the web is 15mm?(a) 2651mm^2(b) 1265mm^2(c) 2475mm^2(d) 2561mm^2This question was addressed to me in an interview for internship.My doubt is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

What is buckling of connecting rod?(a) Straightening(b) Bending(c) Widening(d) ElongationThis question was posed to me during an interview.This question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

Buckling of the connecting rod is along which axis?(a) XX- axis(b) YY-axis(c) ZZ-axis(d) XY-axisThis question was posed to me in an online interview.My enquiry is from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

What is the coefficient of fixity along the YY-axis in buckling of connecting rod?(a) 1(b) 3(c) 4(d) 2The question was asked during a job interview.My question comes from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design

The planes of the connecting rod are parallel to each other.(a) True(b) FalseI have been asked this question during a job interview.My enquiry is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

The ends of the connecting rod are _____ to the piston pin.(a) beam(b) fixed support(c) hinged(d) roller supportThe question was asked in homework.Enquiry is from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design

The buckling of the connecting rod has how many planes?(a) 2 planes(b) 1 plane(c) 3 planes(d) 6 planesThe question was posed to me in homework.My doubt stems from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

The connecting rod is designed as a _____(a) square(b) guideways(c) strut(d) cylinderI got this question during an internship interview.My question is based upon IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

Connecting rod experiences load from which part of the engine?(a) Cylinder(b) Cylinder head(c) Piston(d) CrankshaftI had been asked this question in an internship interview.My doubt stems from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

Connecting rod is subjected to which type of force during buckling?(a) Axial strain(b) Shear stress(c) Tensile force(d) Compressive forceThe question was asked in my homework.I'd like to ask this question from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design

The spout is attached to which end of the connecting rod?(a) Big end(b) Small end(c) Shank(d) Wrist pinThe question was posed to me during an internship interview.My question is based upon IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

In which type of lubrication system, the spout is present?(a) Pour lubrication(b) Pressure lubrication(c) Splash lubrication(d) Lift lubricationI got this question in final exam.Question is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design

Which are the two types of lubrication system?(a) Lift and splash feed(b) Splash and pressure feed(c) Splash and pour feed(d) Pour and pressure feedThis question was posed to me in unit test.Origin of the question is IC Engine in division Design of IC Engine Components of Automotive Engine Design

Cap is attached to which end of the connecting rod?(a) Small end(b) Shank(c) Wrist pin(d) Big endI got this question in examination.Question is from IC Engine in division Design of IC Engine Components of Automotive Engine Design

How many percent of carbon is present in medium carbon steel?(a) 5% to 10%(b) 0.35% to 0.45%(c) 0.73% to 0.85%(d) 20% to 30%I had been asked this question in an interview for internship.My doubt stems from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design

Which material is used in connecting rod?(a) Steel(b) Tin(c) Medium carbon steel(d) TungstenThis question was addressed to me in an interview for internship.This question is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

Which force is experienced by connecting rod?(a) Stress(b) Torsion(c) Moment(d) Inertia forceI have been asked this question in examination.This intriguing question comes from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

The rod that transmits reciprocating motion to rotary motion is known as?(a) Camshaft(b) Connecting rod(c) Crankshaft(d) PistonI have been asked this question in my homework.The above asked question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

For what purpose rifle hole is drilled in connecting rod?(a) Cooling(b) Combustion(c) Lubrication(d) DiffusionThe question was asked in an international level competition.This interesting question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design

The part that connects the small end and the big end of the connecting rod is known as ______(a) big end(b) cap(c) shank(d) small endI had been asked this question in an online interview.I want to ask this question from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

The small gap between the cylinder liner and piston is known as _____(a) piston rib(b) piston clearance(c) piston head(d) wrist clearanceThe question was posed to me in semester exam.My doubt stems from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

The crankshaft is connected to which end of the connecting rod?(a) Edge of shank(b) Small end(c) Big end(d) ShankThe question was posed to me during an online interview.Question is taken from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

The piston is connected to which end of the connecting rod?(a) Shank(b) Big end(c) Edge of shank(d) Small endI got this question in an interview.This is a very interesting question from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design

Calculate the mean diameter of the piston boss for aluminum alloy piston, when do=50mm?(a) 60mm(b) 70mm(c) 80mm(d) 90mmThe question was asked during a job interview.The origin of the question is IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design

Calculate the inner diameter of the piston when the outer diameter is 50mm?(a) 30mm(b) 25mm(c) 40mm(d) 35mmThis question was posed to me during an interview.Asked question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

Calculate the resisting force when (Pb)l=5N/mm^2, d0=110mm, l1=67?(a) 73426N(b) 36850N(c) 238746N(d) 28642NThe question was asked in an online quiz.Enquiry is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

Piston pin passes through which part of the piston?(a) Oil ring(b) Riffle hole(c) Piston bosses(d) Compression ringThis question was addressed to me in my homework.This intriguing question comes from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design