Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For small power purposes and high speeds For large power purposes For small power purposes and low speeds Where low speeds are required For small power purposes and high speeds For large power purposes For small power purposes and low speeds Where low speeds are required ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the nozzle operates with the maximum mass flow, the nozzle is said to be Choked Over-damping None of these Under-damping Choked Over-damping None of these Under-damping ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Kinetic energy into heat energy of steam Heat energy of steam into potential energy Heat energy of steam into kinetic energy Potential energy into heat energy of steam Kinetic energy into heat energy of steam Heat energy of steam into potential energy Heat energy of steam into kinetic energy Potential energy into heat energy of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called Woolf type compound engine Tandem type compound engine Receiver type compound engine Both (A) and (B) Woolf type compound engine Tandem type compound engine Receiver type compound engine Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The indicated thermal efficiency is defined as the Ratio of brake power to the indicated power Ratio of thermal efficiency to the Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Product of thermal efficiency and Rankine efficiency Ratio of brake power to the indicated power Ratio of thermal efficiency to the Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Product of thermal efficiency and Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process All of these Work is done Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls All of these Work is done Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls ANSWER DOWNLOAD EXAMIANS APP
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