Steam Boilers, Engines, Nozzles and Turbines The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by V = 2g H' V = H'/2g V = 2gH' V = 2g/H' V = 2g H' V = H'/2g V = 2gH' V = 2g/H' ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The selection of type and size of a steam boiler depends upon The power required and working pressure The geographical position of the power house All of these The fuel and water available The power required and working pressure The geographical position of the power house All of these The fuel and water available ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The three "Ts" for good combustion are Temperature, time, and turbulence Thorough mixing, total air and temperature Total air, time, and temperature Total air, true fuel, and turbulence Temperature, time, and turbulence Thorough mixing, total air and temperature Total air, time, and temperature Total air, true fuel, and turbulence ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The height of chimney in a power plant is governed by Control of pollution Quantity of flue gases to be handled Limitation of construction facilities The draft to be created Control of pollution Quantity of flue gases to be handled Limitation of construction facilities The draft to be created ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Steam formation Dry flue gases Moisture in fuel Unburnt carbon Steam formation Dry flue gases Moisture in fuel Unburnt carbon ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Decreasing exhausts pressure Increasing exhaust pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing exhaust pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
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