DAPZOI
Home Topics Quiz Login


Battery Ignition System MCQ Questions & Answers

Battery Ignition System MCQs : This section focuses on the "Battery Ignition System". These Multiple Choice Questions (MCQs) should be practiced to improve the Battery Ignition System skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Electrolyte used in storage battery consists of _________

A. 25% H2SO4 and 75% distilled water
B. 5% H2SO4 and 95% distilled water
C. 35% H2SO4 and 65% distilled water
D. 45% H2SO4 and 55% distilled water

View Answer

Question 2

Horse power of engines varies with ___________

A. air fuel ratio
B. amount of fuel in air fuel mixture
C. amount of air in air fuel mixture
D. engine speed

View Answer

Question 3

In magnetic ignition system, the primary current is produced by __________

A. battery
B. magnet
C. electrical current
D. ice

View Answer

Question 4

Maximum economy of engine, is obtained at the air fuel ratio of _________

A. 13.5:1 to 15:1
B. 13.5:1 to 15:1
C. 8:1 to 15:1
D. 7:1 to 10:1

View Answer

Question 5

Preignition can be caused due to presence of ______

A. excess lubricants in cylinder
B. gum in fuel
C. over-heated spark plug
D. higher volume of air in air fuel mixture

View Answer

Question 6

The lowest speed of engine at which the engine runs smoothly is called ________

A. at least speed
B. threshold speed
C. minimum speed
D. idling speed

View Answer

Question 7

The primary winding of ignition coil is made of ________

A. 1 mm diameter copper wire
B. 0.8 mm diameter copper wire
C. 0.6 mm diameter copper wire
D. 1.2 mm diameter copper wire

View Answer

Question 8

What is the range of a condenser in an I.C. engine?

A. 0.15-0.45 ΜF
B. 0.15-0.45 ΜF
C. 0.15-0.45 ΜF
D. 0.15-0.45 ΜF

View Answer

Question 9

What should be the gap of spark plug?

A. 1.2-1.53 mm
B. 2.5-2.85 mm
C. 0.5-0.85 mm
D. 3.15-3.45 mm

View Answer

Question 10

Which of the following has highest vaporizing temperature?

A. H.S.D. oil
B. Petrol
C. Water
D. Kerosene

View Answer

Question 11

A blast resistor is provided in parallel with the primary winding to regulate the primary current.

A. TRUE
B. FALSE

View Answer

Question 12

A lead acid battery consists of a number of cells connected together in series and each having a nominal potential of 2 volts when fully charged.

A. TRUE
B. FALSE

View Answer

Question 13

An eight cylinder engine running at 3000 rpm requires __________ spark per minute.

A. 1000
B. 3000
C. 12000
D. none of the mentioned

View Answer

Question 14

Battery is connected to the primary winding of the ignition coil through an ignition switch and blast resistor.

A. TRUE
B. FALSE

View Answer

Question 15

In battery ignition system, the energy required for producing spark is obtained from a _____________ battery.

A. 6 V to 12 V
B. 12 V to 24 V
C. 24 V to 30 V
D. none of the mentioned

View Answer

Question 16

The alkaline battery is used in ____________ duty commercial vehicles.

A. heavy
B. light
C. large
D. none of the mentioned

View Answer

Question 17

The battery is charged by a __________ driven by the engine.

A. shaft
B. axle
C. dynamo
D. none of the mentioned

View Answer

Question 18

The function of the distributor is to distribute the ignition surges to the individual spark plug in the correct sequence and at the correct instants in time.

A. TRUE
B. FALSE

View Answer

Question 19

The ignition system can be turned ON or OFF, with the help of an ignition switch.

A. TRUE
B. FALSE

View Answer

Question 20

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

A. heavy
B. light
C. large
D. none of the mentioned

View Answer

Question 21

The primary voltage increases as the engine speed increases due to the limitations in the current switching capability of the breaker system.

A. TRUE
B. FALSE

View Answer

Question 22

What are the essential components of a battery ignition system?

A. battery
B. ignition switch
C. ballast resistor
D. all of the mentioned

View Answer

Question 23

What are the essential components of a battery ignition system?

A. ignition coil
B. contact breaker
C. capacitor
D. all of the mentioned

View Answer

Question 24

What are the essential components of a battery ignition system?

A. distributor
B. spark plug
C. ballast resistor
D. all of the mentioned

View Answer

Question 25

When the ignition switch is opened, the primary winding of the coil is connected to the positive terminal post of the storage battery.

A. TRUE
B. FALSE

View Answer