Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Equal heating surface More heating surface Heating surface depends on other parameters Less heating surface Equal heating surface More heating surface Heating surface depends on other parameters Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.5 0.4 0.9 0.75 0.5 0.4 0.9 0.75 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 40 atmospheres 30 atmospheres 20 atmospheres 10 atmospheres 40 atmospheres 30 atmospheres 20 atmospheres 10 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Rateau turbine is Velocity compounded turbine Pressure-velocity compounded turbine Simple reaction turbine Pressure compounded turbine Velocity compounded turbine Pressure-velocity compounded turbine Simple reaction turbine Pressure compounded turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called Tandem type compound engine Receiver type compound engine None of these Woolf type compound engine Tandem type compound engine Receiver type compound engine None of these Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical Both (A) and (B) To withstand the pressure of steam inside the boiler None of these To give maximum space and strength Both (A) and (B) To withstand the pressure of steam inside the boiler None of these To give maximum space and strength ANSWER DOWNLOAD EXAMIANS APP