Automobile Engine MCQ Questions & Answers

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Each section contains 100 MCQs on Automobile Engine .

Main parts of crankshaft are-

A) Journals B) Throws C) Webs D) All of the above

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The 'Ackerman mechanism' is related to:

A) Air conditioning system B) Transmission system C) Steering system D) Lubrication system

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following symptoms show that the combustion is necessarily complete?

A) Presence of free carbon in exhaust B) Presence of carbon mono-oxide in exhaust C) Presence of oxygen in exhaust D) Presence of nitrogen in exhaust

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The condition that causes vapour locking in a brake system is

A) Overheating of the fluid due to frequent brake application B) Overcooling of the brakes during high speed driving C) Keeping the vehicle without use for an extended period D) An excessively high engine speed on a downhill road

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Electric brakes are commonly used on

A) Two whellers B) Cars C) Trucks D) Trailers

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The forced fed lubrication system means that the oil is delivered to the engine by

A) Gravity B) The pressure created by the oil pump C) Splashing action of the crankshaft D) None of these

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The valves have to be replaced if the metal to be removed for smoothening their end surfaces is more than

A) 0.05 mm B) 0.5 mm C) 1.5 mm D) 5 mm

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A thermister is used in an alternator regulator to

A) Control maximum voltage B) Control maximum current C) Compensate for temprerature D) All of the above

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Pre-ignition

A) Is the spontaneous ignition of the last part of charge B) Is resorted to at higher altitudes C) Increases the efficiency and saves unburnt fuel D) Causes reduced efficiency and loss of power

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Maximum permissible ovality in a cylinder is usually

A) 0.01 mm B) 0.1 mm C) 0.5 mm D) 1.0 mm

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Automobile Engine MCQ Questions & Answers | Automobile Engineering