Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Injector Pressure gauge Feed pump Feed check valve Injector Pressure gauge Feed pump Feed check valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these To measure pressure of steam inside the steam boiler To indicate the water level inside the boiler to an observer To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these To measure pressure of steam inside the steam boiler To indicate the water level inside the boiler to an observer ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment None of these To guide motion of the piston rod and to prevent it from bending To transfer motion from the piston to the cross-head To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment None of these To guide motion of the piston rod and to prevent it from bending To transfer motion from the piston to the cross-head ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Adiabatic process is Constant temperature process Non-heat transfer process Essentially an isentropic process Reversible process Constant temperature process Non-heat transfer process Essentially an isentropic process Reversible process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) ANSWER DOWNLOAD EXAMIANS APP