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) (V₀/V₁)/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reflectivity depends upon All of these Geometry of the reflector Properties of the reflector Energy of neutrons All of these Geometry of the reflector Properties of the reflector Energy of neutrons ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize Low heat value of oil Calorific value of fuel High heat value of oil Net calorific value of oil Low heat value of oil Calorific value of fuel High heat value of oil Net calorific value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called Mechanical efficiency Volumetric efficiency Overall efficiency Relative efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Relative efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C11H10) has a cetane number of 50 0 100 120 50 0 100 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.02 0.08 0.14 0.04 0.02 0.08 0.14 0.04 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS