By higher octane number of SI fuel, it is meant that the fuel has
Match List-I (SI engine operating mode) with List-II (Desired air-fuel ratio) and select correct answer using the codes given below the lists:
The amount of CO2 produced by 1 kg of carbon on complete combustion is
Methane burns with stoichiometric quantity of air. The air-fuel ratio by weight is
Match List-I (Air-fuel ratio by mass) with List- II (Engine operation mode) and select correct answer using the codes given below the lists:
Stoichiometric air-fuel ratio by volume for combustion of methane in air is :
Auto- ignition time for petrol-air mixture is minimum when the ratio of actual fuel-air ratio and chemically correct fuel-air ratio is
In spark ignition engines knocking can be reduced by:
The tendency of knocking in CI engine reduced by
Match List-I (SI engine Operational Mode) with List-II (Air Fuel Ratio by Mass) and select correct answer using the codes given below the lists:
Match List-I (SI engine Aperational Mode) with List-II (Opproximate A/F Ratio) and select correct answer using the codes given below the lists:
The purpose of employing supercharging for an engine is
What is the main objective of supercharging of the engine?
For minimizing knocking tendency in SI engine, where should the spark plug be located?
What is the purpose of supercharging an engine?
Increase in the compression ratio in Otto cycle may cause
Pick the odd one
Most high speed compression engines operate on
Most high speed compression engines operate on Dual combustion cycle
The intake charge in a diesel engine consists of
This is considered as the first link in transmitting the gas forces to the output shaft
The purpose of balance weight in crankshaft is to
Consider the following parts of IC Engine :
1. Rocker arm 2. Follower
3. Cams 4. Camshaft
Which among the above constitutes the part of valve train system ?
Gudgeon pin forms the link between
Engine of different cylinder dimensions, power and speed are compared on the basis of
All of the following are correct except : Inlet-valve mach index is dependent on