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Internal Combustion Engines

Internal Combustion Engines
The ignition quality of diesel oil is expressed by

Cetane number
Octane number
None of the listed here
Calorific value

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Internal Combustion Engines
The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will

May increase or decrease depending on other factors
Increase
Be independent
Decrease

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Internal Combustion Engines
Antiknock for compression ignition engines is

Hexadecane
Napthene
Tetra ethyl lead
Amyl nitrate

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Internal Combustion Engines
The normal heptane (C₇H₁₆) is given a rating of ________ octane number.

100
50
120

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Internal Combustion Engines
Air fuel ratio at which a petrol engine cannot work is

0.62569444444444
0.33402777777778
0.41736111111111
20 : 1 and less

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Internal Combustion Engines
The air standard efficiency of an I.C. engine depends on

None of these
Fuel used
Speed of engine
Compression ratio

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MORE MCQ ON Internal Combustion Engines

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