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Internal Combustion Engines

Internal Combustion Engines
In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency.

None of these
Not effected
Increase
Decrease

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Internal Combustion Engines
Gaseous fuel guarantees are based on

Mean heat value of oil
Calorific value of oil
Low heat value of oil
High heat value of oil

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Internal Combustion Engines
The following volume of air is required for consuming 1 liter of fuel by a four stroke engine

1 m3
56 m3
5 m3
910 m3

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Internal Combustion Engines
Fuel oil consumption guarantees for I .C. engine are usually based on

Net calorific value of oil
Low heat value of oil
Calorific value of fuel
High heat value of oil

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Internal Combustion Engines
The thermal efficiency of diesel engines is about

0.15
0.3
0.7
0.5

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Internal Combustion Engines
In loop scavenging, the top of the piston is

Slanted
Depressed
Flat
Contoured

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MORE MCQ ON Internal Combustion Engines

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