Internal Combustion Engines The volumetric efficiency of a well designed engine may be 75 to 90% 40 to 60% 60 to 70% 30 to 40% 75 to 90% 40 to 60% 60 to 70% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the temperature of intake air in internal combustion engine increases, then its efficiency will Increase None of the listed here Decrease Remain same Increase None of the listed here Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then the propulsive efficiency of a rocket is given by V₀/(V₀ + V₁) V₁/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) V₁/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression loss in I.C engines occurs due to Use of thick head gasket Leaking piston rings Clogged air inlet slots All of these Use of thick head gasket Leaking piston rings Clogged air inlet slots All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft 43832 1 2 4 43832 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Cylinder walls being too hot Any one of the listed here Red hot carbon deposits on cylinder walls Overheated spark plug points Cylinder walls being too hot Any one of the listed here Red hot carbon deposits on cylinder walls Overheated spark plug points ANSWER DOWNLOAD EXAMIANS APP