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) 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Oil sludge in the engine crank case Detonation Formation of hard coating on piston skirts Piston ring and cylinder wear Oil sludge in the engine crank case Detonation Formation of hard coating on piston skirts Piston ring and cylinder wear ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine as compared to petrol engine (both running and rated load) is More efficient Other factors will decide it Less efficient Equally efficient More efficient Other factors will decide it Less efficient Equally efficient ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency 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 gravity Metacentre Centre of buoyancy Centre of pressure Centre of gravity Metacentre Centre of buoyancy Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 35 bar 20 bar 10 bar 25 bar 35 bar 20 bar 10 bar 25 bar ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS