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Internal Combustion Engines

Internal Combustion Engines
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.

Very low
Low
High
Very high

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Internal Combustion Engines
In case of gas turbines, the gaseous fuel consumption guarantees are based on

Low heat value
Calorific value
High heat value
Net calorific value

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Internal Combustion Engines
A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is

248 cm3
264 cm3
286 cm3
252 cm3

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Internal Combustion Engines
If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the

Exhaust will be smoky
Scavenging occurs
Engine starts overheating
Piston rings would stick into piston grooves

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Internal Combustion Engines
A diesel engine as compared to petrol engine (both running and rated load) is

More efficient
Less efficient
Other factors will decide it
Equally efficient

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Internal Combustion Engines
The volumetric efficiency of a well designed engine may be

75 to 90%
40 to 60%
30 to 40%
60 to 70%

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MORE MCQ ON Internal Combustion Engines

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