Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Decreases Remain constant May increase or decrease depending upon the method of storage Increases Decreases Remain constant May increase or decrease depending upon the method of storage Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially wet steam is 0.582 0.601 0.577 0.546 0.582 0.601 0.577 0.546 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Blow off cock in a boiler is used to Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 157 fire tubes and 24 superheated tubes 147 fire tubes and 34 superheated tubes 167 fire tubes and 14 superheated tubes 137 fire tubes and 44 superheated tubes 157 fire tubes and 24 superheated tubes 147 fire tubes and 34 superheated tubes 167 fire tubes and 14 superheated tubes 137 fire tubes and 44 superheated tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The nozzle efficiency is the ratio of Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Fixed and moving blades of different shape Only moving blades Identical fixed and moving blades Only fixed blades Fixed and moving blades of different shape Only moving blades Identical fixed and moving blades Only fixed blades ANSWER DOWNLOAD EXAMIANS APP
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