| 1. | The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as ? | |
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supercharging
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auto-ignition
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scavenging
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detonation
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Report Question| 2. | Engine misfiring is likely to result from ? | |
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spark plug gap too small
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spark plug gap too wide
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vapour lock in the fuel only
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incorrect fuel air mixture
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| 3. | What type of bearing is used for main bearings and connecting rod bearings ? | |
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Ball bearings
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Plain bearings
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Needle roller bearing
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Taper roller bearing
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| 4. | The diagram which shows the correct crank positions corresponding to the opening and closing of the valves, is known as ? | |
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indicator diagram
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axial force diagram
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valve timing diagram
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none of these
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| 5. | In Diesel engines, during suction stroke ............. is drawn in the cylinder ? | |
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air and fuel
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only fuel
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only air
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none of these
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| 6. | The cetane rating of Diesel fuel is in the order of ? | |
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25
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45
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70
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90
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| 7. | The engine oil level should be checked ? | |
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immediately after the ignition switch is turned off
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while the engine is running
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a few minutes after the ignition switch is turned off
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while the engine is running at high-idle speed
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| 8. | In petrol engines, during suction stroke ............... is drawn in the cylinder ? | |
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air and fuel
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only fuel
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only air
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none of these
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| 9. | The basic purpose of a four wheel drive (4WD) system is that it ? | |
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delivers improved cornering on dry road surfaces
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eliminates the need of snow tyres, tyre chains, etc
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ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces
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ensures that effective braking can be performed, even on slippery surfaces
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| 10. | In a Diesel engine, the function of a fuel injector is to ? | |
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mix the fuel and air
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ignite the air-fuel mixture
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provide flame front for ignition
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spray atomized fuel in the cylinder
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