Steam Boilers, Engines, Nozzles and Turbines In an ideal impulse turbine, the Absolute velocity at the inlet of moving blade is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of reheat steam after passing through reheater compared to inlet condition is More Equal Less May be more or less depending on capacity of reheater More Equal Less May be more or less depending on capacity of reheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Nozzle efficiency Gross or stage efficiency Blading efficiency Mechanical efficiency Nozzle efficiency Gross or stage efficiency Blading efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by The efficient steam jacketing of the cylinder walls Keeping the expansion ratio small in each cylinder All of these Superheating the steam supplied to the engine cylinder The efficient steam jacketing of the cylinder walls Keeping the expansion ratio small in each cylinder All of these Superheating the steam supplied to the engine cylinder ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Outside temperature is very low Equal to the height of the hot gas column producing draught Infinitely long Around 200 meters Outside temperature is very low Equal to the height of the hot gas column producing draught Infinitely long Around 200 meters 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. Equal to Three times Twice Four times Equal to Three times Twice Four times ANSWER DOWNLOAD EXAMIANS APP
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