Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Withstand pressure inside boiler Give maximum space Resist intense heat in fire box Give maximum strength Withstand pressure inside boiler Give maximum space Resist intense heat in fire box Give maximum strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Worsen May improve/worsen depending on size Improve Remain unaffected Worsen May improve/worsen depending on size Improve Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called None of these Stage efficiency Internal efficiency Rankine efficiency None of these Stage efficiency Internal efficiency Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Curtis turbine is a Simple reaction turbine Pressure-velocity compounded turbine Pressure compounded turbine Velocity compounded turbine Simple reaction turbine Pressure-velocity compounded turbine Pressure compounded turbine Velocity compounded turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is not used in Locomotive boiler Cochran boiler Cornish boiler Lancashire boiler Locomotive boiler Cochran boiler Cornish boiler Lancashire boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine, steam expands None of these Wholly in blades Partly in the nozzle and partly in blades Wholly in nozzle None of these Wholly in blades Partly in the nozzle and partly in blades Wholly in nozzle ANSWER DOWNLOAD EXAMIANS APP