347 + Interview Questions in Design Of Ic Engine Components in Automotive Engine Design Page 3 InterviewSolution

101.	The right and left-hand webs should be identified based on which consideration?(a) Unbalanced(b) Unilateral(c) Balancing(d) lateralThe question was asked in an interview for job.My enquiry is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» The correct OPTION is (c) Balancing Explanation: The right hand and left-hand WEBS should be identical from balancing considerations. So, the thickness and WIDTH of the right-hand crank WEB are MADE equal to that of the left-hand crank web.

Discussion

102.	The thrust in the connecting rod will be equal to the force acting on which part of the engine?(a) Piston(b) Connecting rod(c) Crankshaft(d) Gudgeon pinThe question was posed to me at a job interview.The question is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» CORRECT option is (a) PISTON For explanation: The thrust in the connecting ROD will be equal to the force acting on the piston, this force is denoted by PP. The CRANKSHAFT is simply supported by the bearings.

Discussion

103.	The reactions at the bearing 2 and 3 are due to which part of the engine?(a) Weight of camshaft(b) Weight of connecting rod(c) Weight of flywheel(d) Weight of the gearsI got this question in an international level competition.My doubt stems from IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer»

Discussion

104.	Which plane of the crankshaft is subjected to the maximum bending moment?(a) Bottom plane(b) Top plane(c) Side plane(d) Central planeI got this question in examination.This is a very interesting question from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Correct option is (d) Central plane Easiest EXPLANATION: In the central plane of the CRANKSHAFT is subjected to a MAXIMUM bending moment. This moment is due to the force produced by the WEIGHT of the FLYWHEEL.

Discussion

105.	The reactions at the bearing 1 and 2 are due to force by which part of the crankshaft?(a) Circlip(b) Crankpin(c) Spigot(d) KeyThis question was posed to me in an interview for job.This intriguing question originated from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» Correct option is (b) CRANKPIN For EXPLANATION I WOULD say: The reactions at the bearing 1 and 2 are due to force on the crankpin (Pp) and the reaction forces at the bearing are given R1 and R2. Hence, crankpin the right answer.

Discussion

106.	In the design of centre crankshaft at the TDC position, the engine is placed in which position?(a) Vertical(b) Horizontal(c) Parallel(d) PerpendicularThe question was asked in an online interview.The doubt is from IC Engine in division Design of IC Engine Components of Automotive Engine Design
Answer» Correct option is (a) Vertical To ELABORATE: A crankshaft is subjected to bending and TORSIONAL moments due to the following three forces. Hence, In the design of CENTRE crankshaft at the TDC POSITION, the engine is PLACED in a vertical position.

Discussion

107.	In the design of centre crankshaft at TDC position, the crank alone is at which position?(a) BDC position(b) ODC position(c) TDC position(d) HDF positionI got this question by my school principal while I was bunking the class.I would like to ask this question from IC Engine in division Design of IC Engine Components of Automotive Engine Design
Answer» Right choice is (c) TDC position Explanation: A crankshaft is subjected to BENDING and TORSIONAL MOMENTS due to the following THREE forces. Hence, In the design of centre crankshaft at the TDC position, the crank alone is at the TDC position.

Discussion

108.	In the design of centre crankshaft at TDC position, the driven belt is assumed to be in which direction?(a) Vertical(b) Angled(c) Horizontal(d) PerpendicularThe question was posed to me in class test.This intriguing question originated from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer» Right choice is (c) HORIZONTAL Easiest explanation: A CRANKSHAFT is subjected to bending and torsional moments due to the following THREE forces. HENCE, In the design of centre crankshaft at the TDC position, the driven belt is assumed to be ina horizontal DIRECTION.

Discussion

109.	Which alloy steels are used for making crankshaft?(a) Bronze(b) Nickel-chromium steels(c) Chromoly(d) Plane steelI have been asked this question by my college professor while I was bunking the class.The origin of the question is IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» CORRECT option is (b) Nickel-chromium STEELS Explanation: The ALLOY steels used for MAKING crankshaft are nickel-chromium steels such as 16NiCr2, 35NiCr2, and 40Ni10Cr3Mo6. Hence, nickel-chromium steels are the right answer.

Discussion

110.	Which type of crankshaft is supported by three bearings?(a) Top crankshaft(b) Bottom crankshaft(c) Side crankshaft(d) Center crankshaftThe question was posed to me during an interview.I would like to ask this question from IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» Correct option is (d) Center crankshaft The EXPLANATION is: The forces acting on the centre crankshaft at the top dead centre POSITION are THREE principle forces and to withstand this, the crankshaft is supported by three BEARINGS.

Discussion

111.	Which material is used for crankshaft?(a) Carbon steel(b) Carbon fiber(c) Plain carbon steel(d) Bulged carbon steelI got this question in exam.This question is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Right ANSWER is (c) Plain carbon steel Easiest EXPLANATION: The popular materials used for CRANKSHAFT are plain carbon steels and alloy steels. The plain carbon steels INCLUDE 40C8 and 50C4.This results in lightweight, and LESS wear and tear.

Discussion

112.	The crankshaft is manufactured using which process?(a) Drop casting(b) Split casting(c) Casting(d) Drop forging processI have been asked this question in a national level competition.I'm obligated to ask this question of IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» Correct option is (d) Drop forging process To EXPLAIN I would say: The crankshaft is subjected to FLUCTUATING stresses and it should have SUFFICIENT endurance limit stress. Parts manufactured with Forging can withstand HIGH stresses

Discussion

113.	When does crankshaft experience a maximum torsional moment?(a) At angled position(b) At zero degree(c) At 180 degree(d) At 360 degreeI got this question during an interview.My doubt is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT option is (a) At angled position To explain I would say: The crank is at an angle with the line of dead center POSITIONS and SUBJECTED to maximum TORSIONAL MOMENT. Angled position is when the piston is in the middle of the cylinder.

Discussion

114.	At what position, crankshaft experience maximum bending moment?(a) Bottom dead center(b) Top dead center(c) Middle position(d) Dead centerI have been asked this question in an interview for job.This interesting question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» The correct option is (B) Top dead center The best EXPLANATION: The crank is at the top dead center POSITION and subjected to MAXIMUM bending moment and no torsional moment. At this position Piston, the connecting rod forms a straight axis. So bending takes PLACE.

Discussion

115.	Resultant belt tension from the flywheel acts in which direction?(a) Horizontal(b) Right side(c) Forward(d) VerticalThis question was addressed to me by my college director while I was bunking the class.I would like to ask this question from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» Right CHOICE is (a) Horizontal The BEST explanation: Weight of flywheel(W) acts downward in the VERTICAL Direction and resultant belt tension acts in the horizontal direction (P1 + P2). V-belts are used very often in automobiles.

Discussion

116.	What is the value of the torsional moment when the crankshaft is at the top dead center?(a) Bending moment(b) Torsional moment(c) No torsional moment(d) StressI got this question in my homework.I'm obligated to ask this question of IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» Right OPTION is (c) No torsional MOMENT The explanation: The crank is at the TOP DEAD CENTER position and subjected to maximum bending moment and no torsional moment. Torsional moment is a twisting force.

Discussion

117.	Weight of flywheel force, always act on which direction?(a) Horizontally leftward(b) Horizontally rightward(c) Vertically downward(d) Vertically upwardThis question was posed to me during an interview.My query is from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The correct OPTION is (C) VERTICALLY downward For explanation: Weight of flywheel(W) ACTS downward in the VERTICAL Direction and resultant belt tension acts in the horizontal direction (P1 + P2). Flywheel balances the rotating crankshaft.

Discussion

118.	Force is exerted by connecting rod on which portion of the crankshaft?(a) Gudgeon pin(b) Spigot(c) Crankpin(d) PinThis question was posed to me in an interview.This interesting question is from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» The correct option is (C) Crankpin The EXPLANATION is: Force is exerted by the connecting rod on the crankpin and this force OBTAINED by the piston. Crankpin CONNECTS both the connecting rod and the crankshaft.

Discussion

119.	Which are the two forces experienced by the center crankshaft?(a) Tensile and compressive(b) Tensile and Bending(c) Compressive and torsional(d) Bending and torsionalThis question was addressed to me in an online interview.Query is from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» The correct option is (d) Bending and torsional Best explanation: The Crankshaft is SUBJECTED to the bending and torsional MOMENTS due to force by CRANKPIN, the weight of FLYWHEEL and belt tension.

Discussion

120.	A crankshaft having more than one or more crankpin is known as?(a) Double throw crankshaft(b) Multi throw crankshaft(c) Single throw crankshaft(d) Single and double throw crankshaftThis question was posed to me during an interview.I need to ask this question from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» Correct answer is (B) Multi throw CRANKSHAFT The best explanation: The single throw crankshaft has ONE CRANKPIN and multi throw crankshaft has more than one crank pin. Multi throw crankshaft is USED in high-performance engines.

Discussion

121.	Single throw crankshaft has how many crankpins?(a) Two crankpins(b) One crankpin(c) Three crankpins(d) Five crankpinsThis question was posed to me during an interview for a job.This key question is from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The correct answer is (b) One crankpin Explanation: The single THROW CRANKSHAFT has one crankpin and multi throw crankshaft has more than one crank pin. Single throw has a single WEB per Crankpin. HENCE, One crankpin is the right answer.

Discussion

122.	Centre crankshaft has how many bearings?(a) Six bearing(b) One bearing(c) Two bearing(d) Three bearingsThis question was addressed to me during a job interview.The question is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Correct choice is (d) Three bearings Best explanation: The CENTER crankshaft has two webs and three bearings for support. It is used in RADIAL aircraft ENGINES. Hence, center crankshaft three has bearings.

Discussion

123.	Which are the two types of crankshaft based on many crankpins?(a) Single and double throw(b) Two and multi throw(c) Single throw and multi throw(d) Multi throwI got this question in a job interview.The doubt is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» CORRECT choice is (C) Single throw and multi throw The best I can explain: Crankshafts are ALSO classified as single-throw and multi-throw crankshaft DEPENDING upon the number of crankpins. Hence, Single throw and multi throw is the RIGHT answer.

Discussion

124.	Side crankshaft has how many bearings?(a) Two bearings(b) Three bearings(c) Four bearing(d) Five bearingThis question was posed to me during an online interview.My question comes from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» Right ANSWER is (a) Two BEARINGS Easy explanation: Side crankshaft has only one crank web and requires only two bearings for SUPPORT. Hence Side crankshaft has two bearings.One end of the side crankshaft acts as a CANTILEVER.

Discussion

125.	The side crankshaft is also called as _____(a) convex crankshaft(b) suspended crankshaft(c) overhung crankshaft(d) concave crankshaftI had been asked this question in a national level competition.This interesting question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» Right choice is (C) overhung CRANKSHAFT Explanation: There are TWO types of crankshaft side crankshaft and center crankshaft. Side crankshaft is also called the overhung crankshaft. One end of the side crankshaft ACTS as a CANTILEVER.

Discussion

126.	Which are the two types of the crankshaft?(a) Center crankshaft(b) Side and center crankshaft(c) Side shaft(d) Top and bottom crankshaftI have been asked this question in exam.This question is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The correct ANSWER is (b) Side and center crankshaft The BEST EXPLANATION: There are two TYPES of crankshaft side crankshaft and center crankshaft. Side crankshaft is also called the OVERHUNG crankshaft.Side crankshaft is supported by two bearings.

Discussion

127.	The crankshaft seat on which part and transmit power?(a) Main bearing(b) Small bearing(c) Ball-bearing(d) Minor bearingThe question was posed to me in an internship interview.I'd like to ask this question from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» Right ANSWER is (a) MAIN bearing The best EXPLANATION: The shaft portion rotates in the main bearings and TRANSMITS power to the outside source through the belt drive, gear drive, or chain drive.

Discussion

128.	Crank web connect the_____ to the shaft portion.(a) spline(b) spigot(c) crankpin(d) crank webThe question was asked in an international level competition.The question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» Correct option is (c) crankpin For explanation I would SAY: The big end of the connecting rod is attached to the crankpin and the crank WEB connects the crankpin to the shaft portion. Based on the FIRING order the crank web is DESIGNED.

Discussion

129.	The big end of the connecting rod is connected to which portion of the crankshaft?(a) Shaft(b) Spigot(c) Crankpin(d) SplineThis question was posed to me by my college director while I was bunking the class.Asked question is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» CORRECT OPTION is (c) CRANKPIN The explanation: The big end of the connecting rod is attached to the crankpin and the CRANK web connects the crankpin to the shaft portion. The connecting rod is BOLTED to the crankshaft.

Discussion

130.	Which of the mentioned below is not a portion of the crankshaft?(a) Crankpin(b) Crank web(c) Connecting rod(d) Gudgeon pinThe question was posed to me by my college director while I was bunking the class.The query is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» The correct answer is (c) Connecting rod The explanation: CRANKPIN, CRANK WEB, GUDGEON pin are all the connecting parts of the crankshaft with other components and connecting rod is a component that connects piston and crankshaft.

Discussion

131.	Calculate the whipping stress when Mb=105.14Kn-mm, y=20mm, and I=143018.66mm^4?(a) 11.8N/mm^2(b) 13.79N/mm(c) 14.7N/mm^2(d) 15.9N/mmI got this question in unit test.This is a very interesting question from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The correct option is (c) 14.7N/mm^2 Easy EXPLANATION: \(\sigma=\FRAC{M_bY}{I}\)R = \(\frac{105.14×10^3×20}{143018.66}\) = 14.7N/mm^2

Discussion

132.	In the formula m=mlL, what is the unit of m?(a) g(b) Ton(c) m(d) KgI had been asked this question in an online quiz.This is a very interesting question from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Right answer is (d) KG The explanation is: Here m is the mass of CONNECTING ROD, ml is the mass of connecting rod per UNIT length and L is the length of connecting rod, and mass is taken in Kg.

Discussion

133.	In the formula (Mb)max=mω^2 \(r\frac{L}{9\sqrt{3}}\) what is the unit of r?(a) m(b) Km(c) mm(d) CmThe question was asked in homework.This interesting question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» Right answer is (a) m The best I can explain: In this formula m is the mass of connecting ROD, R is the crank RADIUS and L is the length of connecting rod, and r is TAKEN in meters(m).

Discussion

134.	Calculate the area of cross-section when the thickness of the web is 5mm?(a) 190mm^2(b) 210mm(c) 275mm^2(d) 198mmI have been asked this question in semester exam.This interesting question is from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT CHOICE is (C) 275mm^2 Easy EXPLANATION: A=11t^2 = 11×5^2 = 275mm^2

Discussion

135.	What is the formula for the mass of the connecting rod when l=1?(a) A=ρm(b) mi=Aρ(c) ρ=mlA(d) σ=mρI had been asked this question in an interview.My question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» Right answer is (B) mi=Aρ Explanation: The Mass of the CONNECTING rod is given by m1= VOLUME ×density m1= area ×length ×density m1= A(1)(ρ) m1= Aρ

Discussion

136.	The bending stress due to inertia force is known as _________(a) Whipping stress(b) Axial stress(c) Shear stress(d) Angular stressI had been asked this question during an interview.My question is taken from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Right OPTION is (a) Whipping stress Easiest explanation: The lateral oscillations of the connecting rod induce INERTIA FORCES that act all along the length of the connecting rod CAUSING bending. This type of action is called whipping stress.

Discussion

137.	The intermediate points on the connecting rod move in which orbit?(a) Rectangular orbit(b) Circular orbit(c) Elliptical orbit(d) Triangular orbitI got this question in exam.This is a very interesting question from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The correct choice is (c) Elliptical ORBIT To explain: The INTERMEDIATE points on the connecting rod move in elliptical orbits. It is a SPECIAL case of a circular orbit, with ECCENTRICITY EQUAL to 0.

Discussion

138.	The big end of connecting rod experience which motion?(a) linear motion(b) Reciprocating motion(c) Rotary motion(d) Epicyclic motionThe question was posed to me by my college professor while I was bunking the class.My question is taken from IC Engine in division Design of IC Engine Components of Automotive Engine Design
Answer» Correct choice is (c) Rotary motion Explanation: The big end of the connecting ROD is subjected to pure rotary motion. This rotary motion is by the CRANKSHAFT, which is CONNECTED through a big end CAP with bolts.

Discussion

139.	Calculate the thickness of cap when σb=100N/mm^2, Mb=90853.95N-mm, y=\(\frac{t_c}{2}\) and I=6.25tc^3?(a) 7.65mm(b) 8.53mm(c) 9.7mm(d) 6.23mmThe question was posed to me in quiz.My enquiry is from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» RIGHT choice is (B) 8.53mm Easiest explanation: σb=\(\FRAC{M_b \times y}{I}\) 100=\(\frac{90853.95\times \frac{t}{2}}{6.25t^3}\) tc=8.53mm

Discussion

140.	The small end of connecting rod experience which motion?(a) Rotary motion(b) Circular motion(c) Epicyclic motion(d) Translation motionThe question was asked in an interview.This intriguing question comes from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» Right option is (d) Translation MOTION The best explanation: The SMALL end of the connecting rod is subjected to PURE translation motion while the BIG end is subjected to pure rotary motion. The translation motion is by PISTON.

Discussion

141.	Calculate the bending moment on the cap when (Pi)max=400N and span length is 80mm.(a) 3567.9N-mm(b) 4789N-mm(c) 5333.3N-mm(d) 6893.89N-mmI have been asked this question in homework.Origin of the question is IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» RIGHT answer is (c) 5333.3N-mm For EXPLANATION: Mb=\(\frac{(P_i)_{max}L}{6}\) =\(\frac{400×800}{6}\) =5333.3N-mm

Discussion

142.	In the formula (Pi)max=mrω^2r(1+\(\frac{1}{n_1})\) what is mr?(a) Mass of reciprocating parts(b) Mass of all parts(c) Mass of cylinder(d) Mass of crankshaftThe question was posed to me in an online quiz.I want to ask this question from IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» Correct choice is (a) Mass of RECIPROCATING parts Explanation: In this FORMULA, (Pi)max is the MAXIMUM inertia force, mr is the mass of reciprocating parts, ω is the angular velocity of the crank, r is the crank RADIUS, n1 is the ratio of L/r.

Discussion

143.	Calculate the inertia force where the diameter of bolts is 10mm and σt=35N/mm^2?(a) 5555.5N(b) 6107.8N(c) 6478.6N(d) 5497.7NThe question was asked in an international level competition.The doubt is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT CHOICE is (d) 5497.7N For EXPLANATION: (Pi)max=2(\(\FRAC{\pi\times d_c^2}{4})\)σt =2\((\frac{\pi\times 10^2}{4})\)× 35 =5497.7N

Discussion

144.	Find the angular velocity of the crank rotating at 1200RPM?(a) 100.86rad/sec(b) 112.54rad/sec(c) 125.65rad/sec(d) 134.89rad/secThis question was posed to me during an interview.The question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» Right option is (C) 125.65rad/sec Easy EXPLANATION: ω=\(\frac{2\times \pi\times N}{60}\) =\(\frac{2\times \pi\times 1200}{60}\) = 125.66 rad/sec

Discussion

145.	Most connecting rods in high-speed engines have which cross-section?(a) T-section(b) Square(c) I-section(d) C- sectionI have been asked this question during 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 answer is (c) I-section For explanation: I-sections are EFFICIENT in terms of material usage, it can bear high LOADS and can REDUCE the deflections. High-speed engines are with V-configuration and more than 4 cylinders. Hence, I-section is USED.

Discussion

146.	Find the crank radius when the length of the stroke is 80mm?(a) 10mm(b) 40mm(c) 30mm(d) 50mmThis question was posed to me in an online interview.The above asked question is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The correct answer is (b) 40mm The best EXPLANATION: Crank radius R=\(\frac{l}{2}\) =\(\frac{80}{2}\) =40mm

Discussion

147.	Calculate the mass of reciprocating parts when the mass of piston assembly is 0.6Kg and mass of the connecting rod is 0.4Kg?(a) 0.73Kg(b) 0.85Kg(c) 0.6Kg(d) 0.43KgI have been asked this question at a job interview.My question is based upon IC Engine topic in division Design of IC Engine Components of Automotive Engine Design
Answer» Right choice is (a) 0.73Kg For explanation: MR= mass of PISTON assembly+ \(\frac{1}{3}\)mass of connecting rod = 0.6+\(\frac{1}{3}\) (0.4) = 0.73Kg

Discussion

148.	Inertia force acting on the connecting rod cap is given by?(a) Pi=mrω^2 r(θ+\(\frac{cos2\theta}{n_1})\)(b) Pi=mrω^2 r(cosθ+\(\frac{sin2\theta}{n_1})\)(c) Pi=mrω^2 r(cosθ+\(\frac{cos2\theta}{n_1})\)(d) Pi=mrω^2 r(secθ+\(\frac{cos2\theta}{n_1})\)The question was posed to me by my school principal while I was bunking the class.The above asked question is from IC Engine in division Design of IC Engine Components of Automotive Engine Design
Answer» Right choice is (C) Pi=mrω^2 r(cosθ+\(\frac{cos2\theta}{n_1})\) The explanation: Pi=mrω^2 r(cosθ+\(\frac{cos2\theta}{n_1})\)is the right answer where Pi is the INERTIA force, MR is the mass of reciprocating parts, ω is the ANGULAR VELOCITY of the crank, r is the crank radius, n1 is the ratio of L/r and θ is the angle of inclination.

Discussion

149.	Which force is experienced by the connecting rod cap?(a) Gravity force(b) Magnetic force(c) Axial force(d) Inertia forceThis question was addressed to me in a job interview.My question is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT option is (d) Inertia force For explanation I WOULD say: The maximum force experienced by the connecting rod cap and bolts consists only of inertia force at the TOP DEAD Centre on the exhaust stroke. HENCE, the inertia force is experienced by the connecting rod cap.

Discussion

150.	Low-speed engines have which cross-section?(a) Rectangular-section(b) Circular-section(c) Square-section(d) Triangular-sectionThis question was posed to me in my homework.The doubt is from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design
Answer» CORRECT choice is (b) Circular-section To elaborate: Low-speed engines have L/r of 4 to 5, to BEAR this load circular section is very good. Low-speed engines are with 4 or LESS than 4 CYLINDER engines. Hence, low-speed engines have a circular section.

Discussion

Explore topic-wise InterviewSolutions in .

The right and left-hand webs should be identified based on which consideration?(a) Unbalanced(b) Unilateral(c) Balancing(d) lateralThe question was asked in an interview for job.My enquiry is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

Which plane of the crankshaft is subjected to the maximum bending moment?(a) Bottom plane(b) Top plane(c) Side plane(d) Central planeI got this question in examination.This is a very interesting question from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

In the design of centre crankshaft at the TDC position, the engine is placed in which position?(a) Vertical(b) Horizontal(c) Parallel(d) PerpendicularThe question was asked in an online interview.The doubt is from IC Engine in division Design of IC Engine Components of Automotive Engine Design

Which material is used for crankshaft?(a) Carbon steel(b) Carbon fiber(c) Plain carbon steel(d) Bulged carbon steelI got this question in exam.This question is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

When does crankshaft experience a maximum torsional moment?(a) At angled position(b) At zero degree(c) At 180 degree(d) At 360 degreeI got this question during an interview.My doubt is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

Force is exerted by connecting rod on which portion of the crankshaft?(a) Gudgeon pin(b) Spigot(c) Crankpin(d) PinThis question was posed to me in an interview.This interesting question is from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design

Single throw crankshaft has how many crankpins?(a) Two crankpins(b) One crankpin(c) Three crankpins(d) Five crankpinsThis question was posed to me during an interview for a job.This key question is from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design

Centre crankshaft has how many bearings?(a) Six bearing(b) One bearing(c) Two bearing(d) Three bearingsThis question was addressed to me during a job interview.The question is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

Which are the two types of crankshaft based on many crankpins?(a) Single and double throw(b) Two and multi throw(c) Single throw and multi throw(d) Multi throwI got this question in a job interview.The doubt is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

Side crankshaft has how many bearings?(a) Two bearings(b) Three bearings(c) Four bearing(d) Five bearingThis question was posed to me during an online interview.My question comes from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

Which are the two types of the crankshaft?(a) Center crankshaft(b) Side and center crankshaft(c) Side shaft(d) Top and bottom crankshaftI have been asked this question in exam.This question is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design

The crankshaft seat on which part and transmit power?(a) Main bearing(b) Small bearing(c) Ball-bearing(d) Minor bearingThe question was posed to me in an internship interview.I'd like to ask this question from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design

Crank web connect the_____ to the shaft portion.(a) spline(b) spigot(c) crankpin(d) crank webThe question was asked in an international level competition.The question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design

Calculate the whipping stress when Mb=105.14Kn-mm, y=20mm, and I=143018.66mm^4?(a) 11.8N/mm^2(b) 13.79N/mm(c) 14.7N/mm^2(d) 15.9N/mmI got this question in unit test.This is a very interesting question from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design

In the formula m=mlL, what is the unit of m?(a) g(b) Ton(c) m(d) KgI had been asked this question in an online quiz.This is a very interesting question from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

In the formula (Mb)max=mω^2 \(r\frac{L}{9\sqrt{3}}\) what is the unit of r?(a) m(b) Km(c) mm(d) CmThe question was asked in homework.This interesting question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

Calculate the area of cross-section when the thickness of the web is 5mm?(a) 190mm^2(b) 210mm(c) 275mm^2(d) 198mmI have been asked this question in semester exam.This interesting question is from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

What is the formula for the mass of the connecting rod when l=1?(a) A=ρm(b) mi=Aρ(c) ρ=mlA(d) σ=mρI had been asked this question in an interview.My question is from IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

The bending stress due to inertia force is known as _________(a) Whipping stress(b) Axial stress(c) Shear stress(d) Angular stressI had been asked this question during an interview.My question is taken from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

The intermediate points on the connecting rod move in which orbit?(a) Rectangular orbit(b) Circular orbit(c) Elliptical orbit(d) Triangular orbitI got this question in exam.This is a very interesting question from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design

Calculate the thickness of cap when σb=100N/mm^2, Mb=90853.95N-mm, y=\(\frac{t_c}{2}\) and I=6.25tc^3?(a) 7.65mm(b) 8.53mm(c) 9.7mm(d) 6.23mmThe question was posed to me in quiz.My enquiry is from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design

The small end of connecting rod experience which motion?(a) Rotary motion(b) Circular motion(c) Epicyclic motion(d) Translation motionThe question was asked in an interview.This intriguing question comes from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

Calculate the bending moment on the cap when (Pi)max=400N and span length is 80mm.(a) 3567.9N-mm(b) 4789N-mm(c) 5333.3N-mm(d) 6893.89N-mmI have been asked this question in homework.Origin of the question is IC Engine topic in division Design of IC Engine Components of Automotive Engine Design

Calculate the inertia force where the diameter of bolts is 10mm and σt=35N/mm^2?(a) 5555.5N(b) 6107.8N(c) 6478.6N(d) 5497.7NThe question was asked in an international level competition.The doubt is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

Find the angular velocity of the crank rotating at 1200RPM?(a) 100.86rad/sec(b) 112.54rad/sec(c) 125.65rad/sec(d) 134.89rad/secThis question was posed to me during an interview.The question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design

Most connecting rods in high-speed engines have which cross-section?(a) T-section(b) Square(c) I-section(d) C- sectionI have been asked this question during an interview.This is a very interesting question from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design

Find the crank radius when the length of the stroke is 80mm?(a) 10mm(b) 40mm(c) 30mm(d) 50mmThis question was posed to me in an online interview.The above asked question is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design

Which force is experienced by the connecting rod cap?(a) Gravity force(b) Magnetic force(c) Axial force(d) Inertia forceThis question was addressed to me in a job interview.My question is from IC Engine in chapter Design of IC Engine Components of Automotive Engine Design

Low-speed engines have which cross-section?(a) Rectangular-section(b) Circular-section(c) Square-section(d) Triangular-sectionThis question was posed to me in my homework.The doubt is from IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design