Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m None of these 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m None of these 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 Forced draught Induced draught Natural draught Balanced draught Forced draught Induced draught Natural draught Balanced draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The major axis of elliptical manholes on the shell should be provided On dished end Circumferentially Longitudinally Anywhere On dished end Circumferentially Longitudinally Anywhere ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blade velocity coefficient is unity Blades are equiangular Blades are equiangular and frictionless Blade solidity is 0.65 Blade velocity coefficient is unity Blades are equiangular Blades are equiangular and frictionless Blade solidity is 0.65 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The nozzle efficiency is the ratio of None of these Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on 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 Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of shell of a Locomotive boiler is 2 m 1 m 4 m 3 m 2 m 1 m 4 m 3 m ANSWER DOWNLOAD EXAMIANS APP
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