Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Economizer Superheater Injector Air-preheater Economizer Superheater Injector Air-preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water and sediment in fuel oil can be removed by Cooling the oil in the settling tanks Burning the oil Heating the oil in the settling tanks Suspension Cooling the oil in the settling tanks Burning the oil Heating the oil in the settling tanks Suspension ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water wall furnace, the heat is transferred to the water walls by Convection Conduction Radiation Radiation and conduction Convection Conduction Radiation Radiation and conduction ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity remains constant Velocity increases Pressure remains constant Velocity decreases Velocity remains constant Velocity increases Pressure remains constant Velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is 0.053 bar 0.007 bar 0.067 bar 0.06 bar 0.053 bar 0.007 bar 0.067 bar 0.06 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a valve rod is To convert reciprocating motion of the piston into rotary motion of the crank To provide simple harmonic motion to the D-slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod To provide reciprocating motion to the slide valve To convert reciprocating motion of the piston into rotary motion of the crank To provide simple harmonic motion to the D-slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod To provide reciprocating motion to the slide valve ANSWER DOWNLOAD EXAMIANS APP