Question 1 : The crankshaft should be inspected for
1. Cracks
2. Alignment of crankpins and journals
3. Cleanliness of oil gallaries
4. All of the mentioned
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Question 2 : The stroke of an engine is the
1. Volume of the cylinder
2. Length of the connecting rod
3. Internal diameter of the cylinder
4. Distance between TDC and BDC
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Question 3 : In the cam, the distance between the base circle and the nose is called
1. Lift
2. Lobe
3. Flank
4. Pitch
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Question 4 : When considerable material must be removed to clean up a cylinder bore, the cylinder should be
1. Bored
2. Honed
3. Ground
4. Reamed
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Question 5 : Higher efficiency in Otto cycle can be achieved by
1. Increasing the compression ratio
2. Decreasing the compression ratio
3. Keeping the compression ratio constant
4. Efficiency does not depend on compression ratio
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Question 6 : Thermal power plants operate on which of these cycles
1. Otto cycle
2. Rankine cycle
3. Carnot cycle
4. Stirling cycle
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Question 7 : In a Otto cycle engine, combustion occurs at
1. Constant pressure
2. Constant temperature
3. Constant volume
4. Constant heat
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Question 8 : Compression rings have which type of cross section
1. Rectangular
2. L shaped
3. Keystone
4. All of the mentioned
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Question 9 : Diesel engine is not employed in which of the following
1. Pumping sets
2. Air compressors
3. Tractors
4. Motorcycles
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Question 10 : Cylinder liner materials are made of alloy iron containing
1. Manganese
2. Nickel
3. Chromium
4. All of the mentioned
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