Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The Cipoletti weir is a __________ weir. Triangular Circular Trapezoidal Rectangular Triangular Circular Trapezoidal Rectangular ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Increase Increase up to certain limit and then decrease Decrease Remain same Increase Increase up to certain limit and then decrease Decrease Remain same 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 Volumetric efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency 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 Inject fuel in a chamber of high pressure at the end of compression stroke All of these Inject fuel at a high velocity to facilitate atomization Ensure that penetration is not high Inject fuel in a chamber of high pressure at the end of compression stroke All of these Inject fuel at a high velocity to facilitate atomization Ensure that penetration is not high ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
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