Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then propulsive efficiency of a turbojet engine is Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as Centre of pressure Centre of gravity Centre of buoyancy Metacentre Centre of pressure Centre of gravity Centre of buoyancy Metacentre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Controlling the ignition timing Controlling the exhaust temperature Reducing the compression ratio Controlling the air-fuel mixture Controlling the ignition timing Controlling the exhaust temperature Reducing the compression ratio Controlling the air-fuel mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio of the petrol engine is controlled by Governor Injector Carburettor Fuel pump Governor Injector Carburettor Fuel pump ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following medium is compressed in a Diesel engine cylinder? Fuel alone Air alone Air and lub oil Air and fuel Fuel alone Air alone Air and lub oil Air and fuel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to All of these Inject fuel at a high velocity to facilitate atomization Inject fuel in a chamber of high pressure at the end of compression stroke Ensure that penetration is not high All of these Inject fuel at a high velocity to facilitate atomization Inject fuel in a chamber of high pressure at the end of compression stroke Ensure that penetration is not high ANSWER DOWNLOAD EXAMIANS APP
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