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Internal Combustion Engines

Internal Combustion Engines
The pressure at the end of compression, in diesel engines, is approximately

20 bar
25 bar
10 bar
35 bar

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Internal Combustion Engines
Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided

Flywheel size is proper
Cannot work as it is impossible
It is properly designed
Best quality fuel is used

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Internal Combustion Engines
Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of

100
50
120
0

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Internal Combustion Engines
Morse test can be conducted for

Multi cylinder engines
Diesel engines
Petrol engines
All of the listed here

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

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

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Internal Combustion Engines
Which of the following medium is compressed in a Diesel engine cylinder?

Fuel alone
Air alone
Air and fuel
Air and lub oil

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MORE MCQ ON Internal Combustion Engines

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