The three units contained in a regulator for automobile DC generator are
A. Voltage regulator, current regulator and Zener diode
B. Voltage regulator, current regulator and cut-out relay
C. Voltage regulator, current regulator and temperature compensator
D. Any one of the above
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The purpose of using relays in some of the vehicle's circuit is that
A. Relays reduces the magnetic field created around the wire when a current is passed through it
B. Relays eliminates the need of negative wiring
C. With relays, small current can be used to operate a switch which can then connect the battery directly to the component
D. None of the above
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Which property may increase if the ground terminal is corroded?
A. Resistance
B. Voltage
C. Electromagnetism
D. Heat conductivity
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The colour of indicator lights is
A. White
B. Amber
C. Green
D. Blue
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White colour indicates-
A. Ignition circuit
B. All ground wire
C. Generator circuit
D. None of these
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The electrolyte must not be allowed to come into contact with eyes or skin.
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Pitch and tone of electric horn is adjusted by
A. Air gap
B. Contact gap
C. Air gap and contact gap respectively
D. Contact gap and air gap respectively
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The current is induced, when . . . . . . . . is moved near a coil.
A. A copper wire coil
B. A permanent magnet
C. An electromagnet
D. An iron rod
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For generator circuit which of the following colour is used-
A. Black
B. Blue
C. Brown
D. Yellow
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Which of the following pair(s) is/are correctly matched?
1. Spark plug ⇔ 1 mm
2. C. B. point ⇔ 0.3 mm
3. Condenser ⇔ 12 V - 0.2 μF
4. L. T. ⇔ 12 V
A. 1, 2 & 3
B. 1, 2 & 4
C. 1 & 2
D. 1 & 4
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Specific gravity of battery electrolyte is measured to determine the battery's-
A. Cold cranking amperes
B. Reverse rating
C. State of charge
D. Life expectation
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Transistors can be used to amplify voltage.
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When the negative pole of one battery is connected to negative pole of other battery and positive pole to other pole, the batteries are said to be connected in-
A. Parallel
B. Series
C. Both
D. None
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The unit to measure the brightness of the source light is-
A. Candle power
B. Power
C. Candle
D. None
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The function of a charging system in an automobile is to
A. Supply electric power
B. Convert mechanical energy into electrical energy
C. Continually recharge the battery
D. Partly convert engine power into electric power
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The number of cells in a 12-volt car battery are
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The starting system has two circuits. These are the
A. Starter circuit and ignition circuit
B. Insulated circuit and power circuit
C. Starter circuit and control circuit
D. Ground circuit and control circuit
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When the batteries are connected in parallel then the current shall be-
A. Triple
B. Same
C. Double
D. One fourth
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For rewiring the vehicle the cable size of head lamps is-
A. 0.012 44
B. 0.012 28
C. 0.001 14
D. None
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The specific gravity is measured by-
A. Hydrometer
B. Fathometer
C. Lactometer
D. None of the above
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