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
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
Question 3
In magnetic ignition system, the primary current is produced by __________
A. battery
B. magnet
C. electrical current
D. ice
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
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
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
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
Question 8
What is the range of a condenser in an I.C. engine?
A. 0.15-0.45 ÎF
B. 0.15-0.45 ÎF
C. 0.15-0.45 ÎF
D. 0.15-0.45 ÎF
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
Question 10
Which of the following has highest vaporizing temperature?
A. H.S.D. oil
B. Petrol
C. Water
D. Kerosene
Question 11
A blast resistor is provided in parallel with the primary winding to regulate the primary current.
A. TRUE
B. FALSE
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
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
Question 14
Battery is connected to the primary winding of the ignition coil through an ignition switch and blast resistor.
A. TRUE
B. FALSE
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
Question 16
The alkaline battery is used in ____________ duty commercial vehicles.
A. heavy
B. light
C. large
D. none of the mentioned
Question 17
The battery is charged by a __________ driven by the engine.
A. shaft
B. axle
C. dynamo
D. none of the mentioned
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
Question 19
The ignition system can be turned ON or OFF, with the help of an ignition switch.
A. TRUE
B. FALSE
Question 20
The lead acid battery is used in ______________ duty commercial vehicles.
A. heavy
B. light
C. large
D. none of the mentioned
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
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
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
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
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