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Internal Combustion Engines

Internal Combustion Engines
Compression loss in I.C engines occurs due to

Use of thick head gasket
Clogged air inlet slots
All of these
Leaking piston rings

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Internal Combustion Engines
A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of

75% normal heptane and 25% iso-octane
75% petrol and 25% diesel
75% diesel and 25% petrol
75% iso-octane and 25% normal heptane

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Internal Combustion Engines
Antiknock for compression ignition engines is

Amyl nitrate
Hexadecane
Napthene
Tetra ethyl lead

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Internal Combustion Engines
In a naturally aspirated diesel engine, the air is supplied by

A centrifugal blower
An injection tube
A supercharger
A vacuum chamber

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Internal Combustion Engines
In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as

Supercharging
Scavenging
Detonation
Polymerisation

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

50
0
100
120

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MORE MCQ ON Internal Combustion Engines

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