Ignition System MCQ Questions & Answers

1

Which of the following is defined as the actual high voltage at which the spark occurs?

A) Cut-in voltage B) Saturated voltage C) Breakdown voltage D) Cut-off voltage

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Answer & Solution

Answer: Option C

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2

In Magneto Ignition system

A) No battery is required B) Engine starting is rather difficult C) Used in high speed engines D) All of the above

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Answer & Solution

Answer: Option D

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3

What is the gap in millimeters in the contact breaker?

A) 0.35 - 0.45 B) 0.5 - 0.7 C) 0.7 - 0.9 D) 1 - 1.5

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Answer & Solution

Answer: Option A

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4

How many numbers of vacuum openings are provided in the carburetor in a complete vacuum control type?

A) 4 B) 2 C) 16 D) 8

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Answer & Solution

Answer: Option B

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5

Which among the following increases with speed which in turn improves the rate of combustion?

A) Enthalpy B) Turbulence C) Vaccum D) Entropy

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Answer & Solution

Answer: Option B

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6

The lead acid battery is used in . . . . . . . . duty commercial vehicles.

A) Heavy B) Light C) Large D) None of the mentioned

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Answer & Solution

Answer: Option B

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7

Which of the following part vacuum is referred to as a ported vacuum in a vacuum advance type?

A) Crankcase B) Engine deck C) Radiator D) Carburetor

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Answer & Solution

Answer: Option D

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8

The hot plugs runs hotter than cold plugs because

A) They are located near radiator B) They are not insulated C) They have long insulator and hence they have longer path of heat dissipation D) They have short insulator and hence they have shorter path of heat dissipation

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Answer & Solution

Answer: Option C

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9

A spark is produced to ignite a homogeneous air fuel mixture in the combustion chamber of an engine, it is called spark ignition system.

A) True B) False

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Answer & Solution

Answer: Option A

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10

What is the general crankshaft degree range of advancement in a centrifugal advance system?

A) 10 - 15 B) 20 - 25 C) 26 - 32 D) 34 - 38

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Answer & Solution

Answer: Option D

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Ignition System MCQ Questions & Answers | Automobile Engineering