Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the moving blades, Pressure and velocity both decreases Pressure decreases while velocity increases Pressure and velocity both increases Pressure increases while velocity decreases Pressure and velocity both decreases Pressure decreases while velocity increases Pressure and velocity both increases Pressure increases while velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Reduce the effective heat drop Maintain the speed of the turbine Reheat the steam and improve its quality Completely balance against end thrust Reduce the effective heat drop Maintain the speed of the turbine Reheat the steam and improve its quality Completely balance against end thrust ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The average operating pressure of Benson boiler is 200 bar 150 bar 250 bar 100 bar 200 bar 150 bar 250 bar 100 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called Clearance ratio Expansion ratio Cut-off ratio None of these Clearance ratio Expansion ratio Cut-off ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the entropy Decrease specific volume of steam Decrease dryness fraction of steam Increase the heat drop Increase the entropy Decrease specific volume of steam Decrease dryness fraction of steam Increase the heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called Receiver type compound engine Both (A) and (B) Tandem type compound engine Woolf type compound engine Receiver type compound engine Both (A) and (B) Tandem type compound engine Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS