Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing the expansion ratio Increasing exhaust pressure Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing the expansion ratio Increasing exhaust pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Work done during adiabatic expansion Work done during the Rankine cycle Change in enthalpy Work done during compression Work done during adiabatic expansion Work done during the Rankine cycle Change in enthalpy Work done during compression ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Remain same Behaves unpredictably Increases Decreases Remain same Behaves unpredictably Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Before the superheater None of these Before the economiser Between the economiser and chimney Before the superheater None of these Before the economiser Between the economiser and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Spring loaded safety valve Dead weight safety valve Lever safety valve High steam and low water safety valve Spring loaded safety valve Dead weight safety valve Lever safety valve High steam and low water safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In cross compounding, the cylinders are arranged At 90° and each cylinder has separate piston, connecting rod and crank Side by side and each cylinder has common piston, connecting rod and crank At 90° and each cylinder has common piston, connecting rod and crank Side by side and each cylinder has separate piston, connecting rod and crank At 90° and each cylinder has separate piston, connecting rod and crank Side by side and each cylinder has common piston, connecting rod and crank At 90° and each cylinder has common piston, connecting rod and crank Side by side and each cylinder has separate piston, connecting rod and crank ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS