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Internal Combustion Engines

Internal Combustion Engines
In petrol engines, the delay period is of the order of

0.003 second
0.004 second
0.002 second
0.001 second

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Internal Combustion Engines
Which of the following is not an intern’s combustion engine?

2-stroke petrol engine
Diesel engine
4-stroke petrol engine
Steam turbine

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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

910 m3
56 m3
1 m3
5 m3

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Internal Combustion Engines
A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of

75% petrol and 25% diesel
75% normal heptane and 25% iso-octane
75% iso-octane and 25% normal heptane
75% diesel and 25% petrol

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Internal Combustion Engines
The scavenging efficiency of a four stroke cycle diesel engine is

Between 50 and 85%
Below 50%
Between 95 and 100%
Between 85 and 95%

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Internal Combustion Engines
The mean effective pressure obtained from engine indicator indicates the

Average pressure
Minimum pressure
Instantaneous pressure at any instant
Maximum pressure developed

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MORE MCQ ON Internal Combustion Engines

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