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Internal Combustion Engines

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

35 bar
20 bar
10 bar
25 bar

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Internal Combustion Engines
The basic requirement of a good combustion chamber is

Low compression ratio
Low volumetric efficiency
Minimum turbulence
High thermal efficiency and power output

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Internal Combustion Engines
The pressure at the end of compression in the case of diesel engine is of the order of

6 kg/cm
20 kg/cm
35 kg/cm
12 kg/cm

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Internal Combustion Engines
An engine indicator is used to determine the following

Temperature
m.e.p. and I.H.P.
Volume of cylinder
Speed

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Internal Combustion Engines
The effective inhibitor of pre-ignition is

Alcohol
Lead
Water
None of these

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Internal Combustion Engines
The theoretically correct air fuel ratio for petrol engine is of the order of

0.50069444444444
0.25069444444444
0.37569444444444
0.62569444444444

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MORE MCQ ON Internal Combustion Engines

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