Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases Economize on fuel Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The water tubes in a simple vertical boiler are Inclined None of the listed here Horizontal Vertical Inclined None of the listed here Horizontal Vertical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 15 to 25% 40 to 60% 25 to 40% 10 to 15% 15 to 25% 40 to 60% 25 to 40% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Water level indicator Safety valve Fusible plug Pressure gauge Water level indicator Safety valve Fusible plug Pressure gauge ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as Steam condenser Economiser Steam boiler Steam preheater Steam condenser Economiser Steam boiler Steam preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a receiver type compound engine, the high pressure and low pressure cylinders Are set at 90° Are set in V-arrangement Have separate piston rods Have common piston rod Are set at 90° Are set in V-arrangement Have separate piston rods Have common piston rod ANSWER DOWNLOAD EXAMIANS APP