Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure increases while velocity decreases Pressure and velocity both decreases Pressure and velocity both increases Pressure decreases while velocity increases Pressure increases while velocity decreases Pressure and velocity both decreases Pressure and velocity both increases Pressure decreases while velocity increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades. Equal Less None of these More Equal Less None of these More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In cross compounding, the cylinders are arranged Side by side and each cylinder has common piston, connecting rod and crank At 90° and each cylinder has separate piston, connecting rod and crank Side by side and each cylinder has separate piston, connecting rod and crank At 90° and each cylinder has common piston, connecting rod and crank Side by side and each cylinder has common piston, connecting rod and crank At 90° and each cylinder has separate piston, connecting rod and crank Side by side and each cylinder has separate piston, connecting rod and crank At 90° and each cylinder has common piston, connecting rod and crank ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Axial flow pump Gear pump Centrifugal pump Reciprocating pump Axial flow pump Gear pump Centrifugal pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁/p₂ p₁ + p₂ p₂/p₁ p₁. p₂ p₁/p₂ p₁ + p₂ p₂/p₁ p₁. p₂ 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 10 atmospheres 30 atmospheres 20 atmospheres 40 atmospheres 10 atmospheres 30 atmospheres 20 atmospheres 40 atmospheres ANSWER DOWNLOAD EXAMIANS APP