| 1. | The instrument used to check specific gravity of acid in a battery is ? | |
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hydrometer
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hygrometer
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anemometer
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multimeter
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Report Question| 2. | A maintenance free battery ? | |
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has lead-antimony plate grid
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has lead-calcium plate grid
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does not contain acid
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does not contain water
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| 3. | The battery is an electrochemical device, which means battery ? | |
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makes chemicals by mechanical means
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uses chemical action to provide electricity
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has curved plates instead of flat plates
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does not use an electrolyte
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| 4. | The purpose of a balancer shaft is to ? | |
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balance the timing in the movement of the two groups of pistons
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increase inertia force of the rotating crankshaft
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reduce vibrations caused by the crankshaft rotation
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adjust the timing of the intake and exhaust valve openings
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| 5. | The purpose of transmission in an automobile is ? | |
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to vary the speed of automobile
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to vary the torque at the wheels
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to vary the power of automobile
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none of these
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| 6. | The specific gravity of Diesel is about ? | |
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0.65
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0.75
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0.85
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0.95
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| 7. | The stroke of an engine is the ? | |
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volume of the cylinder
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length of the connecting rod
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internal diameter of the cylinder
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distance between T.D.C. and B.D.C.
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| 8. | If the engine coolant leaks into the engine oil, then engine oil ? | |
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appears milky
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becomes foamy
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turns black
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none of these
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| 9. | The acid used in automobile battery is ? | |
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hydrochloric acid
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hydrofluoric acid
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nitric acid
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sulphuric acid
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| 10. | In a single dry plate clutch, torsional vibrations are absorbed by ? | |
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coil springs known as torsional springs
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cushion springs
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central hub
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clutch pedal
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