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Internal Combustion Engines

Internal Combustion Engines
The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Detonation
Turbulence
Supercharging
Pre-ignition

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

50
100
120

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Internal Combustion Engines
The Cipoletti weir is a __________ weir.

Trapezoidal
Triangular
Rectangular
Circular

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

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Internal Combustion Engines
In loop scavenging, the top of the piston is

Depressed
Contoured
Flat
Slanted

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Internal Combustion Engines
The ignition of the charge by some hot surface within the engine before the passage of spark is called

Auto-ignition
Ignition delay
Pre-ignition
Detonation

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MORE MCQ ON Internal Combustion Engines

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