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Internal Combustion Engines

Internal Combustion Engines
The air-fuel ratio of the petrol engine is controlled by

Fuel pump
Governor
Carburettor
Injector

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Internal Combustion Engines
Which is more viscous lube oil?

SAE 50
SEA 30
SAE 80
SAE 70

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Internal Combustion Engines
Alpha-methyl-naphthalene (C11H10) has a cetane number of

0
100
120
50

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Internal Combustion Engines
In a cycle, the spark lasts roughly for

0.001 sec
1 sec
0.1 sec
0.01 sec

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Internal Combustion Engines
The object of providing masked inlet valve in the air passage of compression ignition engines is to

Induce secondary turbulence
Enhance flow rate
Control air flow
Induce primary swirl

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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 50 and 85%
Between 85 and 95%

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MORE MCQ ON Internal Combustion Engines

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