Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Rankine efficiency None of these Internal efficiency Stage efficiency Rankine efficiency None of these Internal efficiency Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm/K pa = pm + K pa = pm × K pa = K/pm pa = pm/K pa = pm + K pa = pm × K pa = K/pm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head To convert heat energy of the steam into mechanical work To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head To convert heat energy of the steam into mechanical work ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 1 kg.m is equal to None of these 427 Joules 9.81 Joules 102 Joules None of these 427 Joules 9.81 Joules 102 Joules ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Maximum energy loss in a boiler occurs due to Unburnt carbon in ash Incomplete combustion Ash content Flue gases Unburnt carbon in ash Incomplete combustion Ash content Flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Over fire burning is the phenomenon of Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess coal Fuel bed firing Supply of excess, air Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess coal Fuel bed firing Supply of excess, air ANSWER DOWNLOAD EXAMIANS APP
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