Internal Combustion Engines Air fuel ratio for idling speed of a petrol engine is approximately 0.042361111111111 0.20902777777778 0.62569444444444 0.41736111111111 0.042361111111111 0.20902777777778 0.62569444444444 0.41736111111111 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Reducing the delay period Increasing the inlet pressure of air Raising the compression ratio All of these Reducing the delay period Increasing the inlet pressure of air Raising the compression ratio All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A hydraulic ram is a device used to To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height Increase the pressure of water To lift water from deep wells Store the energy of water To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height Increase the pressure of water To lift water from deep wells Store the energy of water ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The function of a distributor in a coil ignition system of I.C. engines is To distribute spark To distribute current To distribute power To time the spark To distribute spark To distribute current To distribute power To time the spark ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS