The primary winding of the ignition coil consists of
A. A few turns of thin wire
B. Many turns of thin wire
C. A few turns of thick wire
D. Many turns of thick wire
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What are the types of spark plug?
A. Cold plug
B. Hot plug
C. Hot cold plug
D. Plug
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Why is the Dwell meter used?
A. To set the spark plug gap
B. To set the ignition advance
C. To set the contact breaker gap
D. To set ignition timing
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How can the center electrode make concerning earth to increase the plug life?
A. Positive
B. Negative
C. Short circuit
D. Ground
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The following is known as 'Breakerless Ignition system'
A. Battery coil ignition system
B. Magneto Ignition system
C. Electronic Ignition system
D. Capacitive discharge Ignition system
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Which of the following is used to define ignition advance?
A. Clearance volume
B. Cylinder top dead center
C. Compression height
D. Detonation length
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In Battery coil ignition system, the correct sequence of flow of current is
A. Battery - Ammeter - Ignition coil - Distributor - Spark plug
B. Battery - Ignition coil - Ammeter - Distributor - Spark plug
C. Battery - Ammeter - Distributor - Ignition coil - Spark plug
D. Battery - Distributor - Ammeter - Ignition coil - Spark plug
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When the ignition switch is opened, the primary winding of the coil is connected to the positive terminal post of the storage battery.
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The ignition timing is affected by . . . . . . . .
A. Compression ratio
B. Engine speed
C. Mixture strength
D. All of the mentioned
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Which of the following material is used to fill the space between the plug electrodes in a surface discharge plug?
A. Semiconductor
B. Plastic
C. Rubber
D. Wood
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What is the total resistance in ohms offered by primary winding in the ignition coil?
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Which of the following is the wrong statement?
A. In the exhaust, retarded timing causes burning of the hydrocarbons
B. The retarded timing improves fuel economy
C. The retarded timing requires the small opening for correct burning of the fuel
D. The exhaust gas temperature becomes higher due to retarded time
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Electrolyte used in storage battery consists of . . . . . . . .
A. 25% H2 SO4 and 75% distilled water
B. 5% H2 SO4 and 95% distilled water
C. 35% H2 SO4 and 65% distilled water
D. 45% H2 SO4 and 55% distilled water
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The pressure, temperature and density of the mixture between the spark plug electrodes have a considerable influence on the . . . . . . . . required to produce a spark.
A. Voltage
B. Current
C. Mass
D. None of the mentioned
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The insulator of a spark plug is generally made up of
A. Bakelite
B. Asbestos
C. Aluminuim alloy
D. Copper
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In ignition coil, the ratio between the number of turns of primary and secondary windings is about
A. 1 to 50
B. 1 to 100
C. 1 to 200
D. 1 to 400
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What should be the minimum specific gravity after which the electrolyte should be charged?
A. 1.225
B. 1.335
C. 2.334
D. 1.123
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An ignition system should be heavy, effective and reliable in service.
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The capacity of an automotive engine condenser is approximately
A. 0.2 microfarads
B. 2 microfarads
C. 20 microfarads
D. 2 millifarads
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The period when the energy grows exponentially in the primary circuit is called
A. Make period
B. Break period
C. Storage period
D. Discharge period
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