Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant All of these Reduces temperature of exhaust steam Reduces back pressure of steam Increases expansion ratio of steam All of these Reduces temperature of exhaust steam Reduces back pressure of steam Increases expansion ratio of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 320/3 m/s 640 m/s 640/3 m/s 160/3 m/s 320/3 m/s 640 m/s 640/3 m/s 160/3 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In cross compounding, the cylinders are arranged At 90° and each cylinder has common piston, connecting rod and crank Side by side and each cylinder has common piston, connecting rod and crank At 90° and each cylinder has separate piston, connecting rod and crank Side by side and each cylinder has separate piston, connecting rod and crank At 90° and each cylinder has common piston, connecting rod and crank Side by side and each cylinder has common piston, connecting rod and crank At 90° and each cylinder has separate piston, connecting rod and crank Side by side and each cylinder has separate piston, connecting rod and crank ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 15 to 20% 20 to 30% 30 to 40% 10 to 15% 15 to 20% 20 to 30% 30 to 40% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fusible plug for boilers is made of fusible metal containing tin, lead, and Bismuth Copper Nickel Aluminium Bismuth Copper Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a convergent nozzle When the cross-section of the nozzle increases continuously from entrance to exit None of these When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle increases continuously from entrance to exit None of these When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit ANSWER DOWNLOAD EXAMIANS APP
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