Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 1.5 to 2 m 3.5 to 4.5 m None of these 2.5 to 3.5 m 1.5 to 2 m 3.5 to 4.5 m None of these 2.5 to 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder dimensions of a compound engine may be designed on the basis of Equal power developed in each cylinder for uniform turning moment All of these Equal temperature drop in each cylinder for economy of steam Equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders Equal power developed in each cylinder for uniform turning moment All of these Equal temperature drop in each cylinder for economy of steam Equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat utilized to produce steam and the heat liberated in furnace is known as Boiler effectiveness Boiler evaporative capacity Boiler efficiency Factor of evaporation Boiler effectiveness Boiler evaporative capacity Boiler efficiency Factor of evaporation 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 solidity is 0.65 Blades are equiangular Blades are equiangular and frictionless Blade velocity coefficient is unity Blade solidity is 0.65 Blades are equiangular Blades are equiangular and frictionless Blade velocity coefficient is unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of 20 atmospheres 10 atmospheres 30 atmospheres 40 atmospheres 20 atmospheres 10 atmospheres 30 atmospheres 40 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel High calorific value Ease in storing High ignition point Produce minimum smoke and gases High calorific value Ease in storing High ignition point Produce minimum smoke and gases ANSWER DOWNLOAD EXAMIANS APP
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