Practice high-yield Automobile Engineering MCQs on Automobile Engine — Part 2 with worked academic solutions for PPSC, FPSC, Transport Dept.
Questions
40
Difficulty Level
Exam-Level
Target Exams
PPSC, FPSC, Transport Dept
Estimated Time
48 mins
Exam-Level PPSC FPSC Transport Dept
Verified for Commission Syllabus • Oct 14, 2026
40
Verified Practice Questions
Interactive test mode with detailed academic worked solutions
Live Progress|0/40 answered
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🎉 Set complete! All 40 questions answered.
Question 1 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The place where gudgeon pin is fixed in the piston is called-
Correct Answer: Option A — Pin boss
Detailed Academic Explanation:
Pin boss is the correct answer to “The place where gudgeon pin is fixed in the piston is called-”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 2 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Compared to the life of a spark plug of two stroke engine, the sprk plug life of a four stoke engine is approximately
Correct Answer: Option B — Twice
Detailed Academic Explanation:
Twice is the correct answer to “Compared to the life of a spark plug of two stroke engine, the sprk plug life of a four stoke engine is approximately”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 3 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The coil spring clutch may use from
Correct Answer: Option B — Three to nine springs
Detailed Academic Explanation:
Three to nine springs is the correct answer to “The coil spring clutch may use from”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 4 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Gradient resistance for a vehicle depends on which of the following factors
Correct Answer: Option A — Weight of the vehicle
Detailed Academic Explanation:
Weight of the vehicle is the correct answer to “Gradient resistance for a vehicle depends on which of the following factors”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 5 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The colour of negative plate of a lead acid battery is
Correct Answer: Option B — Grey
Detailed Academic Explanation:
Grey is the correct answer to “The colour of negative plate of a lead acid battery is”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 6 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In four stroke engine the no. of revolutions is-
Correct Answer: Option A — $$N = {{R.P.M.} \over 2}$$
Detailed Academic Explanation:
$$N = {{R.P.M.} \over 2}$$ is the correct answer to “In four stroke engine the no. of revolutions is-”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 7 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
An example of improved from of lead acid batteries is
Correct Answer: Option A — Absorbent Glass Mat battery
Detailed Academic Explanation:
Absorbent Glass Mat battery is the correct answer to “An example of improved from of lead acid batteries is”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 8 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In a modem automobile gearbox, most of the gears are:
Correct Answer: Option B — Helical gears
Detailed Academic Explanation:
Helical gears is the correct answer to “In a modem automobile gearbox, most of the gears are:”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 9 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Should all clutch springs in a multispring clutch be of the same length and strength?
Correct Answer: Option A — Yes
Detailed Academic Explanation:
Yes is the correct answer to “Should all clutch springs in a multispring clutch be of the same length and strength”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 10 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following is the type of internal combustion engine?
Correct Answer: Option D — All of the above
Detailed Academic Explanation:
All of the above is the correct answer to “Which of the following is the type of internal combustion engine”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 11 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In disc brakes, pad-to-disc adjustment is provided by
Correct Answer: Option C — Piston seal
Detailed Academic Explanation:
Piston seal is the correct answer to “In disc brakes, pad-to-disc adjustment is provided by”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 12 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
N-type semi-conductor material is obtained by doping with
Correct Answer: Option A — Antimony
Detailed Academic Explanation:
Antimony is the correct answer to “N-type semi-conductor material is obtained by doping with”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 13 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following process is correct for reforming?
Correct Answer: Option D — All are correct
Detailed Academic Explanation:
All are correct is the correct answer to “Which of the following process is correct for reforming”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 14 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Transmission noise in neutral could result from
Correct Answer: Option A — Worn gears
Detailed Academic Explanation:
Worn gears is the correct answer to “Transmission noise in neutral could result from”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 15 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The sun gear in the planetary gear system meshes with the
Correct Answer: Option D — Planet pinions
Detailed Academic Explanation:
Planet pinions is the correct answer to “The sun gear in the planetary gear system meshes with the”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 16 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Air brakes are mostly used in case of
Correct Answer: Option C — Trucks
Detailed Academic Explanation:
Trucks is the correct answer to “Air brakes are mostly used in case of”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 17 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the remedy of the cause 'worn out brake linings'?
Correct Answer: Option A — Adjust brake lining or fit new lining
Detailed Academic Explanation:
Adjust brake lining or fit new lining is the correct answer to “What is the remedy of the cause 'worn out brake linings'”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 18 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The warpage of cylmder head is checked with a
Correct Answer: Option A — Metal rule
Detailed Academic Explanation:
Metal rule is the correct answer to “The warpage of cylmder head is checked with a”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 19 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The thermodynamic cycle on which the petrol engine works, is
Correct Answer: Option A — Otto cycle
Detailed Academic Explanation:
Otto cycle is the correct answer to “The thermodynamic cycle on which the petrol engine works, is”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 20 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Diesel engine uses . . . . . . . . oil for its running.
Correct Answer: Option A — Diesel
Detailed Academic Explanation:
Diesel is the correct answer to “Diesel engine uses . . . . . . . . oil for its running.”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 21 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
More often, the condition that draws attention to trouble in the differential is
Correct Answer: Option A — Rough operation
Detailed Academic Explanation:
Rough operation is the correct answer to “More often, the condition that draws attention to trouble in the differential is”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 22 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The positive plate of a lead acid battery has
Correct Answer: Option A — PbO2
Detailed Academic Explanation:
PbO2 is the correct answer to “The positive plate of a lead acid battery has”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 23 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
A zener diode is used for
Correct Answer: Option C — Voltage regulation
Detailed Academic Explanation:
Voltage regulation is the correct answer to “A zener diode is used for”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 24 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following symptom is caused as a result of brake disc run out?
Correct Answer: Option B — Judder during braking
Detailed Academic Explanation:
Judder during braking is the correct answer to “Which of the following symptom is caused as a result of brake disc run out”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 25 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In Maruti car the brakes used are
Correct Answer: Option C — Disc on front and drum on rear
Detailed Academic Explanation:
Disc on front and drum on rear is the correct answer to “In Maruti car the brakes used are”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 26 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Advantage of petrol injections is-
Correct Answer: Option C — Both are correct
Detailed Academic Explanation:
Both are correct is the correct answer to “Advantage of petrol injections is-”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 27 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Cenerally which brakes are on the front wheels?
Correct Answer: Option B — Disk brake
Detailed Academic Explanation:
Disk brake is the correct answer to “Cenerally which brakes are on the front wheels”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 28 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Toe out on turns
Correct Answer: Option C — Cannot be adjusted
Detailed Academic Explanation:
Cannot be adjusted is the correct answer to “Toe out on turns”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 29 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The 'immobilizer' is:
Correct Answer: Option B — An electronic security device for vehicles
Detailed Academic Explanation:
An electronic security device for vehicles is the correct answer to “The 'immobilizer' is:”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 30 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The release levers in a typical clutch pivot on
Correct Answer: Option D — Pins
Detailed Academic Explanation:
Pins is the correct answer to “The release levers in a typical clutch pivot on”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 31 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
For a four-cylinder engine, the firing order for evenness of torque is
Correct Answer: Option D — 1-3-4-2
Detailed Academic Explanation:
1-3-4-2 is the correct answer to “For a four-cylinder engine, the firing order for evenness of torque is”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 32 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following is the need of the gearbox?
Correct Answer: Option B — To vary the torque of the vehicle
Detailed Academic Explanation:
To vary the torque of the vehicle is the correct answer to “Which of the following is the need of the gearbox”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 33 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is correct in the following?
Correct Answer: Option B — $${\rm{Fuel + Air = Power}}$$
Detailed Academic Explanation:
$${\rm{Fuel + Air = Power}}$$ is the correct answer to “What is correct in the following”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 34 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Piston rings are usually made of
Correct Answer: Option B — Cast iron
Detailed Academic Explanation:
Cast iron is the correct answer to “Piston rings are usually made of”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 35 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In a vacuum suspended unit, when the brakes are on, the piston or diaphragm has on both sides of it
Correct Answer: Option A — Atmospheric pressure
Detailed Academic Explanation:
Atmospheric pressure is the correct answer to “In a vacuum suspended unit, when the brakes are on, the piston or diaphragm has on both sides of it”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 36 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The three componentes of primary ignition circuit are
Correct Answer: Option C — The contact breaker, ignition switch and condenser
Detailed Academic Explanation:
The contact breaker, ignition switch and condenser is the correct answer to “The three componentes of primary ignition circuit are”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 37 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The clutch pressure plate is mounted on the
Correct Answer: Option B — Clutch cover
Detailed Academic Explanation:
Clutch cover is the correct answer to “The clutch pressure plate is mounted on the”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 38 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The main advantage of a closed deck cylinder block is
Correct Answer: Option B — High rigidity
Detailed Academic Explanation:
High rigidity is the correct answer to “The main advantage of a closed deck cylinder block is”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 39 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which metal cylinder is made?
Correct Answer: Option B — Cast iron
Detailed Academic Explanation:
Cast iron is the correct answer to “Which metal cylinder is made”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
Question 40 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In a passenger car a typical arrangement of braking with drum brakes will be
Correct Answer: Option B — All the wheels having leading and trailing shoes
Detailed Academic Explanation:
All the wheels having leading and trailing shoes is the correct answer to “In a passenger car a typical arrangement of braking with drum brakes will be”. This question is standard in competitive examination syllabi for Automobile Engine.
💡Key Conceptual Anchor:Automobile Engine
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Air Pollution And Its Control In Automobile — Part 1
Master the next curriculum module with 40 exam-standard MCQs.
In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.