| 1. | The crescent-shaped cavity on the piston head top surface is called as ? | |
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piston oil hole
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snap ring
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valve recess
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valve clearance
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Report Question| 2. | The valve tappet clearance is measured by ? | |
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screw pitch gauge
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engineering scale
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feeler gauge
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vernier caliper
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| 3. | The composition of the electrolyte in a fully charged battery is that ? | |
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the electrolyte is pure distilled water
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the electrolyte is pure sulphuric acid
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the electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
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the electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight
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| 4. | The heat transfer from coolant to air in the radiator of an automobile engine takes place by ? | |
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radiation only
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convention only
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convection and radiation
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conduction, convection and radiation
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| 5. | The function of a connecting rod is ? | |
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to turn the flywheel
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to drive the drive plate
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to drive the fuel pump
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to transmit motion of the piston to the crankshaft
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| 6. | The condition that results in large quantities of HC emission is ? | |
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high temperature combustion
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incomplete combustion
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low temperature combustion
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high atmospheric temperature combustion
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| 7. | If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on ? | |
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too lean mixture
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stoichiometric mixture
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most economical mixture
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too rich mixture
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| 8. | The reconditioning process used to give cylinder bore surfaces a cross-hatch pattern, is known as ? | |
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honing
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porous plating
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boring
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shot peening
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| 9. | The exhaust gas from petrol engine contains ? | |
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petrol vapours
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water vapours
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carbon monoxide
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all of these
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| 10. | The torque converter uses ............ to transfer torque ? | |
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air
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automatic transmission fluid (ATF)
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gears
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steel belt
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