Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To determine the generating capacity of the boiler All of these To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler All of these To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler varies from 2 to 4.5 m 3 to 5 m 5 to 7.5 m 7 to 9 m 2 to 4.5 m 3 to 5 m 5 to 7.5 m 7 to 9 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse reaction turbine has its driving force Partly as an impulsive force and partly as a reaction force As a reaction force As an impulsive force None of the listed here Partly as an impulsive force and partly as a reaction force As a reaction force As an impulsive force None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotive boiler, maximum steam pressure is limited to 5 kg/cm² 18 kg/cm² 1 kg/cm² 10 kg/cm² 5 kg/cm² 18 kg/cm² 1 kg/cm² 10 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity of steam entering the blade, and α = Nozzle angle) Vb = V cosα Vb = 0.5 V² cosα Vb = V² cosα Vb = 0.5 V cosα Vb = V cosα Vb = 0.5 V² cosα Vb = V² cosα Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to Water space also Chimney Superheater Steam space Water space also Chimney Superheater Steam space ANSWER DOWNLOAD EXAMIANS APP