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Internal Combustion Engines

Internal Combustion Engines
The combustion in compression ignition engines is

Both (A) and (B)
Heterogeneous
None of these
Homogeneous

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Internal Combustion Engines
The advancing of spark timing in spark ignition engines will ___ knocking tendency.

None of the listed here
Reduce
Increase
Not effect

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Internal Combustion Engines
A diesel engine has

2 valves
1 valve
4 valves
3 valves

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Internal Combustion Engines
The effective inhibitor of pre-ignition is

Lead
Water
None of these
Alcohol

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Internal Combustion Engines
The probability of knocking in diesel engines is increased by

Higher viscosity
High self ignition temperature
Low volatility
All of these

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

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

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