Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially wet steam is 0.601 0.546 0.582 0.577 0.601 0.546 0.582 0.577 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm × K pa = pm + K pa = K/pm pa = pm/K pa = pm × K pa = pm + K pa = K/pm pa = pm/K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Water level indicator Fusible plug Safety valve Pressure gauge Water level indicator Fusible plug Safety valve Pressure gauge ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Decreases Increases Remain constant May increase or decrease depending upon the method of storage Decreases Increases Remain constant May increase or decrease depending upon the method of storage ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Twice Three times Equal to Four times Twice Three times Equal to Four times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 ANSWER DOWNLOAD EXAMIANS APP
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