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Maintenance And Troubleshooting In Automobile — Part 1 MCQs with Explanations

Practice high-yield Automobile Engineering MCQs on Maintenance And Troubleshooting In Automobile — Part 1 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

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Question 1 of 40
★ PPSC ★ FPSC

Breakdown maintenance is done when

Question 2 of 40
★ PPSC ★ FPSC

Accident chance is minimized in

Question 3 of 40
★ PPSC ★ FPSC

Preventive maintenance is

Question 4 of 40
★ PPSC ★ FPSC

The type of bearing most commonly used for main bearings and connecting rod bearings is

Question 5 of 40
★ PPSC ★ FPSC

The correct way to measure a camshaft's total runout dimension is to

Question 6 of 40
★ PPSC ★ FPSC

Humming noise in the differential is due to improper tooth contact between

Question 7 of 40
★ PPSC ★ FPSC

Which piston ring wears faster than the other ring?

Question 8 of 40
★ PPSC ★ FPSC

Which one of the following instruments should be used to measure the outside diameter of a rocker shaft?

Question 9 of 40
★ PPSC ★ FPSC

Removing the glaze from cylinder walls before installing new piston rings helps avoid . . . . . . . .

Question 10 of 40
★ PPSC ★ FPSC

Back-fire can take place

Question 11 of 40
★ PPSC ★ FPSC

Toremove cylinder liners from engine block, use

Question 12 of 40
★ PPSC ★ FPSC

There is no effect on delivery time in . . . . . . . .

Question 13 of 40
★ PPSC ★ FPSC

A blocked air filter may cause

Question 14 of 40
★ PPSC ★ FPSC

Which one of the following is possible cause of insufficient oil pressure?

Question 15 of 40
★ PPSC ★ FPSC

Approximate values of crankshaft run out and wear limit of clutch plates, generally lie within:

Question 16 of 40
★ PPSC ★ FPSC

Worn-out piston rings cause 1. Excessive oil consumption 2. Loss of power 3. Loss of torque 4. Loss of compression

Question 17 of 40
★ PPSC ★ FPSC

What is the possible cause when hom will not sound off?

Question 18 of 40
★ PPSC ★ FPSC

If the extent of out-of-roundness or taper exceeds the specified limit on only one crankshaft journal then,

Question 19 of 40
★ PPSC ★ FPSC

When servicing an air cleaner, the filter element should be

Question 20 of 40
★ PPSC ★ FPSC

When the car is being lifted for servicing

Question 21 of 40
★ PPSC ★ FPSC

The type of problem suspected when a cylinder has an excessive degree of compression is

Question 22 of 40
★ PPSC ★ FPSC

The cam angle for prestolite is

Question 23 of 40
★ PPSC ★ FPSC

Tar spots from a car body are removed by

Question 24 of 40
★ PPSC ★ FPSC

The spark plugs gap for making MICO or KLG is-

Question 25 of 40
★ PPSC ★ FPSC

What is the possible cause of faulty meter iridication?

Question 26 of 40
★ PPSC ★ FPSC

When a connecting rod's end play measurement exceeds the specified limit, the action that must be taken first is

Question 27 of 40
★ PPSC ★ FPSC

When the crankshaft's end play measurement exceeds the specified limit, the action that must be taken first is

Question 28 of 40
★ PPSC ★ FPSC

Why are the pistons usually given a coating (e.g. tin coating)?

Question 29 of 40
★ PPSC ★ FPSC

What is the possible cause of steering noise?

Question 30 of 40
★ PPSC ★ FPSC

Engine turns over slowly but does not start what is its possible cause?

Question 31 of 40
★ PPSC ★ FPSC

Which of the following causes is for engine vibrations?

Question 32 of 40
★ PPSC ★ FPSC

What is the possible cause when fuel meter gives no indication?

Question 33 of 40
★ PPSC ★ FPSC

A reading of what specific gravity indicate a fully charged condition-

Question 34 of 40
★ PPSC ★ FPSC

The first stage of preventive maintenance is

Question 35 of 40
★ PPSC ★ FPSC

Painting cracks occur due to

Question 36 of 40
★ PPSC ★ FPSC

When the oil clearance is out of specification,

Question 37 of 40
★ PPSC ★ FPSC

A warped pressure plate should be:

Question 38 of 40
★ PPSC ★ FPSC

What is the possible cause if the engine overheats?

Question 39 of 40
★ PPSC ★ FPSC

When the vehicle's starter will not run then its possible cause is-

Question 40 of 40
★ PPSC ★ FPSC

The violent sound pulsations within the cylinder of an I. C. Engine are due to

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💡 Examiner's Advisory for Automobile Engineering

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.

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