| 1. | The self ignition temperature of Diesel as compared to petrol is ? | |
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higher
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lower
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same
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depends on fuel quality
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Report Question| 2. | The condition that results in large quantities of CO emission is ? | |
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insufficient air during combustion
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insufficient fuel during combustion
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low temperature combustion
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high temperature combustion
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| 3. | The cetane number of a Diesel fuel is a measure of ? | |
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volatility
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viscosity
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ignition quality
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delay peirod
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| 4. | The main function of an exhaust muffler is the ? | |
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optimisation of exhaust efficiency
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reduction of exhaust noise
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reduction of nitrogen oxide in the exhaust gases
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reduction of the exhaust gas volume
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| 5. | An oil filter bypass valve opens when the ? | |
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engine is cold
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engine overheats
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oil filter becomes clogged
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engine runs at high speed
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| 6. | The starter motor is driven by ? | |
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chain drive
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gear drive
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flat belt drive
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V- belt drive
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| 7. | The process of removing the burnt gases from the engine cylinder by the fresh charge coming into the engine cylinder from the crank-case, is known as ? | |
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cleaning
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priming
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scavenging
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detonation
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| 8. | With the increase of battery temperature, the specific gravity of electrolyte ? | |
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increases
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decreases
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remains the same
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none of these
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| 9. | The ignition coil is used to ? | |
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step up current
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step down current
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step up voltage
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step down voltage
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| 10. | The function of a governor in automobiles is to ? | |
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limit the power
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limit the vehicle speed
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maintain constant engine speed
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maximise the fuel economy
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