Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Blading efficiency Nozzle efficiency Mechanical efficiency Gross or stage efficiency Blading efficiency Nozzle efficiency Mechanical efficiency Gross or stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught in locomotive boilers is produced by a None of these Chimney Steam jet Centrifugal fan None of these Chimney Steam jet Centrifugal fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? All of these A steam turbine develops higher speeds The efficiency of steam turbine is higher The steam consumption is less All of these A steam turbine develops higher speeds The efficiency of steam turbine is higher The steam consumption is less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Natural draught Induced draught Forced draught Balanced draught Natural draught Induced draught Forced draught Balanced draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Expansion ratio Cut-off ratio Clearance ratio None of these Expansion ratio Cut-off ratio Clearance ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a valve rod is To provide reciprocating motion to the slide valve To convert reciprocating motion of the piston into rotary motion of the crank To provide simple harmonic motion to the D-slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod To provide reciprocating motion to the slide valve To convert reciprocating motion of the piston into rotary motion of the crank To provide simple harmonic motion to the D-slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod ANSWER DOWNLOAD EXAMIANS APP