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Internal Combustion Engines

Internal Combustion Engines
A mixture containing 65% of iso-octane and 35% of normal heptane will have

Cetane number 35
Octane number 65
Octane number 35
Cetane number 65

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Internal Combustion Engines
A stoichiometric air-fuel ratio is

Rich mixture for over loads
Chemically correct mixture
Lean mixture
Rich mixture for idling

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Internal Combustion Engines
The inlet valve of a four stroke cycle internal combustion engine remains open for

180°
230°
270°
130°

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

50
120
100
0

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Internal Combustion Engines
The brake power is the power available

At the crank pin
At the crank shaft
None of these
In the engine cylinder

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

50
120
100

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MORE MCQ ON Internal Combustion Engines

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