Steam Boilers, Engines, Nozzles and Turbines The condition of steam in boiler drum is always Wet Saturated Dry Supersaturated Wet Saturated Dry Supersaturated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Same value Lower value Lower/higher depending on steam flow Higher value Same value Lower value Lower/higher depending on steam flow Higher value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In fire tube boilers None of these Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water Water passes through the tubes which are surrounded by flames and hot gases None of these Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water Water passes through the tubes which are surrounded by flames and hot gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Blading efficiency Mechanical efficiency Nozzle efficiency Gross or stage efficiency Blading efficiency Mechanical efficiency Nozzle efficiency Gross or stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Pressure gauge Injector Feed check valve Feed pump Pressure gauge Injector Feed check valve Feed pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. None of these Has no effect on Increases Decreases None of these Has no effect on Increases Decreases ANSWER DOWNLOAD EXAMIANS APP