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Internal Combustion Engines

Internal Combustion Engines
The specific fuel consumption per B.P. hour for a petrol engine is about

0.35 kg
0.3 kg
0.25 kg
0.2 kg

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Internal Combustion Engines
The effective inhibitor of pre-ignition is

Lead
None of these
Water
Alcohol

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Internal Combustion Engines
The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of

50
120
100

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Internal Combustion Engines
High speed compression engines operate on

Otto cycle
All of these
Dual combustion cycle
Diesel cycle

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Internal Combustion Engines
The mechanical efficiency (ηm) of the engine is given by

ηm = B.P/I.P
None of these
ηm = I.P/B.P
ηm = (B.P × I.P)/100

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Internal Combustion Engines
Combustion in compression ignition engines is

Laminar
Both (A) and (B)
Heterogeneous
Homogeneous

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MORE MCQ ON Internal Combustion Engines

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