Internal Combustion Engines The purpose of testing an internal combustion engine is To determine the information, which cannot be obtained by calculations All of these To conform the data used in design, the validity of which may be doubtful To satisfy the customer regarding the performance of the engine To determine the information, which cannot be obtained by calculations All of these To conform the data used in design, the validity of which may be doubtful To satisfy the customer regarding the performance of the engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = (B.P × I.P)/100 None of these ηm = I.P/B.P ηm = B.P/I.P ηm = (B.P × I.P)/100 None of these ηm = I.P/B.P ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.7 0.5 0.15 0.3 0.7 0.5 0.15 0.3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The combustion in compression ignition engines is Homogeneous Both (A) and (B) Heterogeneous None of these Homogeneous Both (A) and (B) Heterogeneous None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then the propulsive efficiency of a rocket is given by [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
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