Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of a thermal power plant is of the order of 0.2 0.15 0.45 0.3 0.2 0.15 0.45 0.3 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine Reduces wear on the blades Increases the efficiency of the turbine Increases the work-done through the turbine All of these Reduces wear on the blades Increases the efficiency of the turbine Increases the work-done through the turbine All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Centrifugal pump Reciprocating pump Gear pump Axial flow pump Centrifugal pump Reciprocating pump Gear pump Axial flow pump 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 In an impulse turbine The steam is expanded in moving blades only The pressure and temperature of steam remains constant The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only The pressure and temperature of steam remains constant The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to Increase steam pressure All of the listed here Superheat the steam Reduce fuel consumption Increase steam pressure All of the listed here Superheat the steam Reduce fuel consumption ANSWER DOWNLOAD EXAMIANS APP