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Internal Combustion Engines

Internal Combustion Engines
Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of

0
50
120
100

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Internal Combustion Engines
In order to eliminate knocking in compression ignition engines, there should be

Low compression ratio
Short delay period
Late auto-ignition
High self ignition temperature of fuel

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

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

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Internal Combustion Engines
A fuel of cetane number 40 has the same ignition quality as a mixture of

40% diesel and 60% petrol
40% petrol and 60% diesel
40% alpha methyl naphthalene and 60% cetane
40% cetane and 60% alpha methyl naphthalene

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Internal Combustion Engines
A flow in which the quantity of liquid flowing per second is constant, is called __________ flow.

Streamline
Steady
Unsteady
Turbulent

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Internal Combustion Engines
The power actually developed by the engine cylinder of an I.C. engine is known as

Theoretical power
Indicated power
None of the listed here
Actual power

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MORE MCQ ON Internal Combustion Engines

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