Stoichiometric ratio is
A. Chemically correct air-fuel ratio by weight
B. Chemically correct air-fuel ratio by volume
C. Actual air-fuel ratio for maximum efficiency
D. None of the above
Answer: Option B
Solution(By Examveda Team)
Stoichiometric ratio is Chemically correct air-fuel ratio by volumeThis Question Belongs to Mechanical Engineering >> Internal Combustion Engines (I.C. Engines)
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Engine pistons are usually made of aluminium alloy because it
A. Is lighter
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C. Absorbs shocks
D. Is stronger
The reason for supercharging in any engine is to
A. Increase efficiency
B. Increase power
C. Reduce weight and bulk for a given output
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A. Petrol engines
B. Diesel engines
C. Multi cylinder engines
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The cetane (C16H34) which is a straight chain paraffin, is assigned a cetane number of
A. 0
B. 50
C. 100
D. 120
The stoichiometric air/fuel ratio (AFR) can be calculated from the reaction equation (g/g). For gas AFR is usually determined in m3/m3.
It should be waight or mass
By weight
By mass