Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Stage efficiency Internal efficiency None of these Rankine efficiency Stage efficiency Internal efficiency None of these Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value (1- moisture content) (1 + moisture content) 1 + moisture content 1 – moisture content (1- moisture content) (1 + moisture content) 1 + moisture content 1 – moisture content ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The theoretical indicator diagram of a simple steam engine is based upon the assumption that The expansion (or compression) of the steam is hyperbolic There is no pressure drop due to condensation Steam is admitted at boiler pressure and exhausted at condenser pressure All of these The expansion (or compression) of the steam is hyperbolic There is no pressure drop due to condensation Steam is admitted at boiler pressure and exhausted at condenser pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is To exhaust steam from the cylinder at proper moment To convert heat energy of the steam into mechanical work To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To convert heat energy of the steam into mechanical work To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter of a Locomotive boiler is 1 m 2 m 1.5 m 2.5 m 1 m 2 m 1.5 m 2.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Coal gas Blast furnace gas Producer gas Water gas Coal gas Blast furnace gas Producer gas Water gas ANSWER DOWNLOAD EXAMIANS APP
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