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. Three times Equal to Four times Twice Three times Equal to Four times Twice ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Vacuum for reciprocating steam engines compared to steam turbines is Less More Could be more or less depending on the size of plant Equal Less More Could be more or less depending on the size of plant Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called Stop valve Superheater Blow off cock None of these Stop valve Superheater Blow off cock None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine Reduces wear on the blades All of these Increases the efficiency of the turbine Increases the work-done through the turbine Reduces wear on the blades All of these Increases the efficiency of the turbine Increases the work-done through the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The theoretical indicator diagram of a simple steam engine is based upon the assumption that There is no pressure drop due to condensation Steam is admitted at boiler pressure and exhausted at condenser pressure All of these The expansion (or compression) of the steam is hyperbolic There is no pressure drop due to condensation Steam is admitted at boiler pressure and exhausted at condenser pressure All of these The expansion (or compression) of the steam is hyperbolic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Tandem type compound engine, the high pressure and low pressure cylinders Have separate piston rods Are set in V-arrangement Are set at 90° Have common piston rod Have separate piston rods Are set in V-arrangement Are set at 90° Have common piston rod ANSWER DOWNLOAD EXAMIANS APP