Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blade solidity is 0.65 Blades are equiangular and frictionless Blade velocity coefficient is unity Blades are equiangular Blade solidity is 0.65 Blades are equiangular and frictionless Blade velocity coefficient is unity Blades are equiangular ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Fixed and moving blades of different shape Only fixed blades Identical fixed and moving blades Only moving blades Fixed and moving blades of different shape Only fixed blades Identical fixed and moving blades Only moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power) (I.P.)² 1/(I.P) I.P. 1/(I.P)² (I.P.)² 1/(I.P) I.P. 1/(I.P)² 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 0.007 bar 0.067 bar 0.06 bar 0.053 bar 0.007 bar 0.067 bar 0.06 bar 0.053 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p₂) will be 5.46 bar 3.3 bar 9.9 bar 8.2 bar 5.46 bar 3.3 bar 9.9 bar 8.2 bar 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 Both (A) and (B) Woolf type compound engine Tandem type compound engine Receiver type compound engine Both (A) and (B) Woolf type compound engine Tandem type compound engine Receiver type compound engine ANSWER DOWNLOAD EXAMIANS APP
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