During idling, a petrol engine requires _________ mixture. None of these Chemically correct Lean Rich TRUE ANSWER : ? YOUR ANSWER : ?
The octane number of petrol, generally available, is 80 to 100 40 to 60 60 to 80 20 to 40 TRUE ANSWER : ? YOUR ANSWER : ?
Gaseous fuel guarantees are based on Calorific value of oil Low heat value of oil Mean heat value of oil High heat value of oil TRUE ANSWER : ? YOUR ANSWER : ?
In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of 2000°C 1000°C 250°C 500°C TRUE ANSWER : ? YOUR ANSWER : ?
The maximum temperature in the I.C. engine cylinder is of the order of 1500-2000°C 500-1000°C 2000-2500°C 1000-1500°C TRUE ANSWER : ? YOUR ANSWER : ?
In a typical medium speed 4-stroke cycle diesel engine the inlet valve Opens at top dead center and closes at bottom dead center May open or close anywhere Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center TRUE ANSWER : ? YOUR ANSWER : ?
A petrol engine, during suction stroke draws Air only A mixture of petrol and air None of these Petrol only TRUE ANSWER : ? YOUR ANSWER : ?
Morse test is used to determine the I.P. of a Single cylinder diesel engine Single cylinder petrol engine Four stroke engine Multi cylinder engine TRUE ANSWER : ? YOUR ANSWER : ?
The brake power is the power available At the crank shaft In the engine cylinder None of these At the crank pin TRUE ANSWER : ? YOUR ANSWER : ?