Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Fusible plug Blow off cock Safety valve Stop valve Fusible plug Blow off cock Safety valve Stop valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Wet Superheated Remain dry saturated Dry Wet Superheated Remain dry saturated Dry ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Lower calorific value at constant volume Higher calorific value at constant volume Higher calorific value at constant pressure Lower calorific value at constant pressure Lower calorific value at constant volume Higher calorific value at constant volume Higher calorific value at constant pressure Lower calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Decreases May increase or decrease depending upon the method of storage Remain constant Increases Decreases May increase or decrease depending upon the method of storage Remain constant Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is Below atmospheric pressure 1 kg/cm² 100 kg/cm² 225.6 kg/cm² Below atmospheric pressure 1 kg/cm² 100 kg/cm² 225.6 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic At the throat of the nozzle In the convergent portion of the nozzle At the entrance to the nozzle In the divergent portion of the nozzle At the throat of the nozzle In the convergent portion of the nozzle At the entrance to the nozzle In the divergent portion of the nozzle ANSWER DOWNLOAD EXAMIANS APP
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