InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
What is the coefficient of fluctuation of energy?(a) The ratio of the maximum fluctuation of energy to the minimum fluctuation of energy(b) The ratio of the maximum fluctuation of energy to the work done per cycle(c) The ratio of the minimum fluctuation of energy to the maximum fluctuation of energy(d) The ratio of the work done per cycle to the maximum fluctuation of energyThis question was addressed to me during an interview.Query is from Flywheel in chapter Internal Combustion Engines of Automobile Engineering |
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Answer» Correct answer is (b) The ratio of the maximum fluctuation of energy to the work DONE per cycle |
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| 52. |
What is the maximum fluctuation of energy?(a) It is the sum of maximum and minimum energies(b) It is the ratio of the maximum and minimum energies(c) It is the ratio of the mean resisting torque to the work done per cycle(d) It is the difference between the maximum and minimum energiesI have been asked this question in an online quiz.My question is based upon Flywheel in division Internal Combustion Engines of Automobile Engineering |
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Answer» Correct option is (d) It is the difference between the maximum and minimum ENERGIES |
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| 53. |
In the cam, the distance between the base circle and the nose is called ______(a) Lift(b) Lobe(c) Flank(d) PitchThis question was addressed to me during an online interview.Asked question is from IC Engine Crankshaft and Camshaft in division Internal Combustion Engines of Automobile Engineering |
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Answer» The CORRECT option is (a) Lift |
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| 54. |
If the diameter of a piston is ‘D’ then the length of skirt is usually of the range of ___________(a) 0.75D to 0.8D(b) 0.5D to D(c) 1.5D to 2D(d) 0.2D to 0.6DI had been asked this question during an interview for a job.My question is from Automobile topic in portion Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT CHOICE is (a) 0.75D to 0.8D Easiest explanation: The length of the skirt is usually 0.75 to 0.8 times the diameter of the PISTON. |
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| 55. |
Piston rings are not completely closed because __________(a) Closed rings are hard to manufacture(b) Gap allows the ring to expand and fit over(c) They are designed to let pass some lubricant to the combustion chamber(d) None of the mentionedI got this question in examination.Query is from Automobile in section Internal Combustion Engines of Automobile Engineering |
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Answer» RIGHT answer is (b) Gap allows the ring to expand and FIT over Easy explanation: PISTON rings expand DUE to heat of combustion and fit over. |
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| 56. |
Heat rejection in diesel cycle is at _________(a) Constant pressure(b) Constant volume(c) Constant temperature(d) None of the mentionedI got this question during an internship interview.The query is from Development of IC Engines topic in chapter Internal Combustion Engines of Automobile Engineering |
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Answer» The CORRECT OPTION is (b) CONSTANT volume |
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| 57. |
A heat engine converts heat energy from fuel combustion or any other source into which type of work?(a) Electrical work(b) Mechanical work(c) Pressure work(d) None of the mentionedI have been asked this question in an internship interview.I'm obligated to ask this question of Heat Engines in chapter Internal Combustion Engines of Automobile Engineering |
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Answer» The correct choice is (b) Mechanical work |
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| 58. |
Which of the following is true about the flywheel?(a) Flywheel regulates speed over a period of time(b) Flywheel takes care of the quantity of fluid(c) Flywheel controls \(\frac{dN}{dt}\)(d) Flywheel regulates the speed by regulating the quantity of charge of the prime moverThis question was posed to me during an interview for a job.My question is from Flywheel topic in portion Internal Combustion Engines of Automobile Engineering |
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Answer» Right option is (C) Flywheel controls \(\frac{dN}{DT}\) |
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| 59. |
The purpose of valve clearance is to(a) Allow the valve to expand(b) Allow the sliding of valve in the guide(c) Ensure that the valve closes fully(d) Ensure that the crankshaft is free to rotateThis question was posed to me in an interview for job.This interesting question is from Engine Valves and their Mechanisms topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» The correct option is (c) Ensure that the VALVE CLOSES fully |
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| 60. |
In a four stroke engine each cylinder has(a) One valve(b) Two valves(c) Three valves(d) Four valvesI had been asked this question in an international level competition.My query is from Engine Valves and their Mechanisms topic in division Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT CHOICE is (b) Two valves Easiest EXPLANATION: A four stroke ENGINE cylinder has one intake and one EXHAUST valve. |
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| 61. |
Camshaft gear is made from which material?(a) Cast iron(b) Mild steel(c) Bakelite(d) BrassThis question was posed to me at a job interview.This intriguing question comes from IC Engine Crankshaft and Camshaft in portion Internal Combustion Engines of Automobile Engineering |
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Answer» The CORRECT answer is (C) Bakelite |
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| 62. |
Compression rings have which type of cross section __________(a) Rectangular(b) L shaped(c) Keystone(d) All of the mentionedThis question was addressed to me in an international level competition.My question is based upon Automobile topic in portion Internal Combustion Engines of Automobile Engineering |
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Answer» Correct ANSWER is (d) All of the mentioned |
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| 63. |
The escape of burned gases from the combustion chamber past the pistons and into the crankcase is called _______(a) Gas loss(b) Blow by(c) By pass(d) Passed gasThis question was posed to me in an international level competition.I'm obligated to ask this question of Automobile Engineering in chapter Internal Combustion Engines of Automobile Engineering |
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Answer» The correct ANSWER is (b) Blow by |
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| 64. |
When considerable material must be removed to clean up a cylinder bore, the cylinder should be _______(a) Bored(b) Honed(c) Ground(d) ReamedI got this question at a job interview.Question is taken from Parts of an IC Engine Cylinder and Liner topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» RIGHT choice is (a) Bored Explanation: Boring OPERATION can easily REMOVE the required material. |
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| 65. |
The angle between two cylinders in a two cylinder V-type engine is usually(a) 15 degrees(b) 45 degrees(c) 60 degrees(d) 90 degreesThe question was asked in a job interview.The above asked question is from Applications of IC Engines in division Internal Combustion Engines of Automobile Engineering |
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Answer» The correct option is (c) 60 degrees |
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| 66. |
On modern four stroke engines the exhaust valve opens just(a) Before TDC(b) After TDC(c) Before BDC(d) After BDCI have been asked this question by my school teacher while I was bunking the class.I need to ask this question from Engine Valves and their Mechanisms topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» The correct CHOICE is (c) Before BDC |
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| 67. |
The crankshaft rotates the camshaft using _______(a) Belt drive(b) Chain drive(c) Gear drive(d) Motor driveI have been asked this question by my school principal while I was bunking the class.Query is from IC Engine Crankshaft and Camshaft in portion Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT choice is (b) Chain drive Easy EXPLANATION: Chain drive is USED to connect CRANKSHAFT and camshaft. |
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| 68. |
The gears on camshaft and crankshaft are known as ________(a) Lining gears(b) Aligning gears(c) Timing gears(d) Tuning gearsThis question was posed to me by my college professor while I was bunking the class.My question comes from IC Engine Crankshaft and Camshaft in section Internal Combustion Engines of Automobile Engineering |
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Answer» The correct option is (c) Timing gears |
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| 69. |
Compression rings are fitted at the _________(a) Middle of skirt(b) Bottom of skirt(c) Top of skirt(d) None of the mentionedI had been asked this question by my school principal while I was bunking the class.This is a very interesting question from Automobile in portion Internal Combustion Engines of Automobile Engineering |
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Answer» The CORRECT choice is (C) Top of skirt |
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| 70. |
What is the material of the connecting rod?(a) Mild steel(b) Forged steel(c) Tool steel(d) Cast ironThe question was asked in an interview for internship.My question comes from Automobile topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» Correct choice is (b) FORGED STEEL |
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| 71. |
In four cylinder engines the ignition advance depends on _________(a) Quality of fuel(b) Engine speed(c) Cylinder dimensions(d) Quality of fuel and engine speedI got this question in an interview for job.Question is from Energy Cycle in division Internal Combustion Engines of Automobile Engineering |
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Answer» Correct answer is (d) QUALITY of FUEL and engine speed |
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| 72. |
The valves of an ic engine are made to open and close slowly to _________(a) Increase the engine efficiency(b) Decrease the fuel consumption(c) Allow engine to cool in the meantime(d) Provide silent operation under high speed conditionsThis question was addressed to me in unit test.This question is from Development of IC Engines topic in division Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT option is (d) Provide SILENT operation under high speed conditions Best explanation: The VALVES are made to open and close SLOWLY to provide silent operation under high speed conditions. |
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| 73. |
The crankshaft should be inspected for ______(a) Cracks(b) Alignment of crankpins and journals(c) Cleanliness of oil gallaries(d) All of the mentionedI had been asked this question during an interview for a job.I would like to ask this question from IC Engine Crankshaft and Camshaft topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» Right CHOICE is (d) All of the MENTIONED |
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| 74. |
The function of a piston is ____________(a) It forms a movable wall of combustion chamber(b) It transmits turning force to the crankshaft via connecting rod(c) It functions like crosshead and transmits side thrusts(d) All of the mentionedThe question was posed to me in an international level competition.My question is taken from Automobile in division Internal Combustion Engines of Automobile Engineering |
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Answer» Correct CHOICE is (d) All of the MENTIONED |
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| 75. |
The difference between dry liners and wet liners is __________(a) Cylinder liner touches the coolant jacket in wet liners(b) Wet liners are thicker than dry liners(c) Packing rings are present in wet liners(d) All of the mentionedI have been asked this question in class test.Enquiry is from Parts of an IC Engine Cylinder and Liner topic in division Internal Combustion Engines of Automobile Engineering |
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Answer» RIGHT ANSWER is (d) All of the mentioned Explanation: All the GIVEN DIFFERENCES exist between wet and DRY liners. |
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| 76. |
In a four stroke S.I engine the exhaust valve usually opens ______(a) At BDC(b) 35 degree to 60 degree before BDC(c) 35 degree to 60 degree after BDC(d) 10 degree to 20 degree before BDCThis question was posed to me in an international level competition.Query is from Energy Cycle topic in division Internal Combustion Engines of Automobile Engineering |
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Answer» The correct option is (b) 35 DEGREE to 60 degree before BDC |
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| 77. |
The opening and closing of a valve is respectively done by(a) A cam and a spring(b) A spring and a cam(c) Gas pressure and cam(d) Cylinder vacuum and springI got this question in an online quiz.This intriguing question originated from Engine Valves and their Mechanisms in section Internal Combustion Engines of Automobile Engineering |
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Answer» RIGHT ANSWER is (a) A cam and a spring To elaborate: An ENGINE valve is opened by a cam and CLOSED by a spring. |
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| 78. |
The device used to measure the clearance between the valve and tappet of an IC Engine is(a) Feeler gauge(b) Snap gauge(c) Slip gauge(d) MicrometerThe question was asked in exam.My question comes from Engine Valves and their Mechanisms in section Internal Combustion Engines of Automobile Engineering |
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Answer» Right option is (a) FEELER gauge |
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| 79. |
In general, What type of section is used for connecting rods?(a) Forged I-section(b) Forged round section(c) Cast iron square section(d) Forged square section steelI got this question during an interview.I would like to ask this question from Automobile Engineering in division Internal Combustion Engines of Automobile Engineering |
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Answer» Correct choice is (a) Forged I-section |
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| 80. |
The function of crankcase in two stroke petrol engines is _________(a) It lower downs the temperature(b) It forms a pressurised chamber for fuel air mixture(c) It holds the exhaust gases after combustion(d) None of the mentionedI have been asked this question in an international level competition.The doubt is from Automobile Engineering in chapter Internal Combustion Engines of Automobile Engineering |
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Answer» Correct answer is (b) It FORMS a pressurised chamber for FUEL air MIXTURE |
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| 81. |
In a diesel engine the pressure during combustion may increase to a range at _________(a) 10-15 atm(b) 15-20 atm(c) 20-30 atm(d) 55-75 atmI have been asked this question in an interview.I want to ask this question from Energy Cycle in portion Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT answer is (d) 55-75 atm To elaborate: Pressure can increase as high as 55 to 75 atm during combustion in diesel engine. |
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| 82. |
A gas undergoes isothermal compression in Carnot cycle. Which step does it undergo?(a) 1st(b) 2nd(c) 3rd(d) 4thThis question was posed to me in final exam.I would like to ask this question from Heat Engines topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» The correct choice is (C) 3RD |
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| 83. |
A steam engine comes under the category of ________(a) External combustion engines(b) Internal combustion engines(c) All of the mentioned(d) None of the mentionedThe question was posed to me in an international level competition.My question is from Heat Engines topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» Correct option is (a) External COMBUSTION engines |
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| 84. |
On modern four stroke engines the inlet valve opens just(a) Before TDC(b) After TDC(c) Before BDC(d) After BDCThis question was addressed to me by my school principal while I was bunking the class.Question is taken from Engine Valves and their Mechanisms in portion Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT option is (a) Before TDC To ELABORATE: INLET valve opens before the piston reaches Top DEAD Centre. |
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| 85. |
Aluminium cylinder blocks require __________(a) Cast iron Liners(b) Brass Liners(c) Aluminium Liners(d) No LinersThis question was posed to me by my school principal while I was bunking the class.The origin of the question is Parts of an IC Engine Cylinder and Liner topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» The correct option is (a) Cast IRON Liners |
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| 86. |
Which of these is a power absorbing heat engine?(a) Steam engine(b) Petrol engine(c) Air compressor(d) None of the mentionedThis question was posed to me during an interview.I'm obligated to ask this question of Heat Engines in division Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT choice is (c) AIR COMPRESSOR To explain: An air compressor is a power absorbing heat engine. |
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| 87. |
A square type engine is a type of engine which ________(a) Has geometrically square shape(b) Has two vertical and two horizontal cylinders(c) Has cylinder bore length equal to stroke length(d) None of the mentionedI had been asked this question during an online interview.My question is from Parts of an IC Engine Cylinder and Liner in chapter Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT OPTION is (c) Has cylinder BORE length equal to STROKE length Explanation: A square type ENGINE has cylinder bore length equal to cylinder stroke length. |
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| 88. |
In two-stroke cycle engines, what replaces valves of a four-stroke engine?(a) Fins(b) Notches(c) Ports(d) TubesI have been asked this question in a national level competition.My doubt is from Development of IC Engines in division Internal Combustion Engines of Automobile Engineering |
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Answer» Right answer is (c) Ports |
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| 89. |
Given that maximum fluctuation of energy is 2000 N-m/s and coefficient of fluctuation of speed is 0.02. What is the mean kinetic energy of flywheel?(a) 50 kN-m/s(b) 40 kN-m/s(c) 30 kN-m/s(d) 20 kN-m/sThis question was addressed to me during an interview.Asked question is from Flywheel topic in chapter Internal Combustion Engines of Automobile Engineering |
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Answer» Correct answer is (a) 50 kN-m/s |
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| 90. |
The size of the engine intake valve is(a) Same as that of exhaust valve(b) Smaller than that of exhaust valve(c) Larger than that of exhaust valve(d) Does not depend upon the size of exhaust valveI had been asked this question in class test.My question is taken from Engine Valves and their Mechanisms topic in division Internal Combustion Engines of Automobile Engineering |
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Answer» Right CHOICE is (b) SMALLER than that of EXHAUST VALVE |
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| 91. |
Cylinder liner materials are made of alloy iron containing ____________(a) Manganese(b) Nickel(c) Chromium(d) All of the mentionedThe question was posed to me during an interview for a job.I'd like to ask this question from Parts of an IC Engine Cylinder and Liner topic in portion Internal Combustion Engines of Automobile Engineering |
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Answer» Correct choice is (d) All of the mentioned |
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| 92. |
The expansion process in diesel engine is ________(a) Isothermal(b) Adiabatic(c) Isobaric(d) None of the mentionedThe question was asked in an international level competition.My question comes from Development of IC Engines in section Internal Combustion Engines of Automobile Engineering |
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Answer» RIGHT choice is (B) Adiabatic Explanation: Adiabatic EXPANSION OCCURS in diesel CYCLE. |
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| 93. |
Which of these is not a cylinder head type of an ic engine?(a) L head(b) I head(c) T head(d) X headI got this question in an interview.Query is from Applications of IC Engines topic in division Internal Combustion Engines of Automobile Engineering |
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Answer» Right OPTION is (d) X HEAD |
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| 94. |
The angle in degrees moved by the crankshaft of a four cylinder engine between firing impulses is _________(a) 90(b) 180(c) 360(d) 720I got this question during an interview for a job.This intriguing question originated from Energy Cycle topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» Right answer is (b) 180 |
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| 95. |
Which one of the following is a type of Gasket?(a) Copper asbestos(b) Steel asbestos(c) Single sheet rigid(d) All of the mentionedThe question was posed to me in examination.My question is taken from Automobile topic in division Internal Combustion Engines of Automobile Engineering |
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Answer» The correct OPTION is (d) All of the mentioned |
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| 96. |
W-type arrangement in twelve and sixteen cylinder engines has ______(a) One row of cylinders(b) Two rows of cylinders(c) Three rows of cylinders(d) Four rows of cylindersI got this question in an online quiz.My doubt stems from Applications of IC Engines topic in section Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT ANSWER is (c) Three rows of cylinders The best EXPLANATION: W type arrangement has three rows of cylinders. |
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| 97. |
Which of the following is not an arrangement of ic engine cylinders?(a) Radial(b) Circular(c) V type engine(d) Opposed cylinder engineThe question was asked by my school teacher while I was bunking the class.Question is taken from Applications of IC Engines topic in division Internal Combustion Engines of Automobile Engineering |
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Answer» Correct OPTION is (b) Circular |
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| 98. |
Higher efficiency in Otto cycle can be achieved by _______(a) Increasing the compression ratio(b) Decreasing the compression ratio(c) Keeping the compression ratio constant(d) Efficiency does not depend on compression ratioI had been asked this question during an internship interview.Origin of the question is Development of IC Engines topic in chapter Internal Combustion Engines of Automobile Engineering |
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Answer» CORRECT OPTION is (a) Increasing the COMPRESSION ratio To explain: Higher efficiency can be achieved by increasing the compression ratio. |
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| 99. |
One ‘ton of refrigeration’ equals how much Btu/hr.(a) 14,500 Btu/hr(b) 12,000 Btu/hr(c) 13,000 Btu/hr(d) 15,000 Btu/hrI got this question in examination.I want to ask this question from Heat Engines in chapter Internal Combustion Engines of Automobile Engineering |
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Answer» Correct choice is (B) 12,000 Btu/hr |
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| 100. |
In the single-cylinder, single acting, four-stroke gas engine, the total fluctuation of speed is not to exceed ±3 percent of the mean speed. What is the coefficient of fluctuation of speed?(a) 0.04(b) 0.03(c) 0.09(d) 0.06The question was posed to me by my college director while I was bunking the class.My question is from Flywheel in section Internal Combustion Engines of Automobile Engineering |
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Answer» The correct answer is (d) 0.06 |
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