Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation is the amount of water evaporated in a boiler from and at Room temperature Saturation temperature at given pressure 100°C 0°C Room temperature Saturation temperature at given pressure 100°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught may be produced by a A steam jet Chimney Mechanical fan All of these A steam jet Chimney Mechanical fan All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is Very high High Low Very low Very high High Low Very low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be 0.56 0.78 0.74 0.63 0.56 0.78 0.74 0.63 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 15 to 20% 20 to 30% 10 to 15% 30 to 40% 15 to 20% 20 to 30% 10 to 15% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam enters the nozzle at a High pressure and a low velocity High pressure and a high velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a low velocity High pressure and a high velocity Low pressure and a high velocity Low pressure and a low velocity ANSWER DOWNLOAD EXAMIANS APP