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Internal Combustion Engines

Internal Combustion Engines
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.

Low
Very high
High
Very low

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Internal Combustion Engines
The knock in diesel engine occurs due to

Instantaneous and rapid burning of the first part of the charge
Reduction of delay period
Delayed burning of the first part of the charge
Instantaneous auto ignition of last part of charge

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Internal Combustion Engines
An hmh flame speed is obtained in diesel engine when air fuel ratio is

About 10% of rich mixture
About 35% of rich mixture
Chemically correct mixture
Uniform throughout the mixture

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Internal Combustion Engines
Morse test can be conducted for

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

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Internal Combustion Engines
The effective inhibitor of pre-ignition is

None of these
Lead
Water
Alcohol

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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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