Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Stop valve Safety valve Blow off cock Fusible plug Stop valve Safety valve Blow off cock Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The nozzle efficiency is the ratio of Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades to the energy supplied to the blades Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades to the energy supplied to the blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the entropy Increase the heat drop Decrease specific volume of steam Decrease dryness fraction of steam Increase the entropy Increase the heat drop Decrease specific volume of steam Decrease dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and less economical More efficient and less economical Less efficient and more economical More efficient and more economical Less efficient and less economical More efficient and less economical Less efficient and more economical More efficient and more economical 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 Axial flow pump Gear pump Centrifugal pump Reciprocating pump Axial flow pump Gear pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Tandem type compound engine, the high pressure and low pressure cylinders Have common piston rod Are set at 90° Are set in V-arrangement Have separate piston rods Have common piston rod Are set at 90° Are set in V-arrangement Have separate piston rods ANSWER DOWNLOAD EXAMIANS APP
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