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 Feed check valve Feed pump Injector Pressure gauge Feed check valve Feed pump Injector Pressure gauge ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse reaction turbine, the pressure drops gradually and continuously over Both fixed and moving blades None of these Fixed blades Moving blades Both fixed and moving blades None of these Fixed blades Moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines It is required to produce large amount of steam at low pressure. Which boiler should be used? Cochran boiler Pulverized fuel fired boiler Lancashire boiler Babcock and Wilcox boiler Cochran boiler Pulverized fuel fired boiler Lancashire boiler Babcock and Wilcox boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Avoid explosion Avoid excessive build up of pressure Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid explosion Avoid excessive build up of pressure Control steam dome Extinguish fire if water level in the boiler falls below alarming limit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To prepare heat balance sheet for the boiler ANSWER DOWNLOAD EXAMIANS APP
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