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Internal Combustion Engines

Internal Combustion Engines
The cetane number of diesel oil, generally available, is

30 to 40
20 to 25
40 to 55
25 to 30

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Internal Combustion Engines
Most high speed compression engines operate on

Diesel cycle
Dual combustion cycle
Special type of air cycle
Otto cycle

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Internal Combustion Engines
The reference fuels for knock rating of spark ignition engines would include

Iso-octane and alpha-methyl naphthalene
Iso-octane and normal hexane
Normal octane and aniline
Normal heptane and iso-octane

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Internal Combustion Engines
The method of determination of indicated power of a multi cylinder spark ignition engine is by the use of

Morse test
Heat balance test
Prony brake test
Motoring test

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Internal Combustion Engines
The thermodynamic cycle on which the petrol engine works, is

Rankine cycle
Joule cycle
Stirling cycle
Otto cycle

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Internal Combustion Engines
The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is

Less
Same
More or less depending on power rating
More

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MORE MCQ ON Internal Combustion Engines

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