Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as Regenerative heating None of these Reheating of steam Bleeding Regenerative heating None of these Reheating of steam Bleeding ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by V = 2g H' V = H'/2g V = 2g/H' V = 2gH' V = 2g H' V = H'/2g V = 2g/H' V = 2gH' ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The pressure and temperature of steam remains constant The steam is expanded in moving blades only The steam is expanded both in fixed and moving blades continuously The steam is expanded in nozzles only and there is a pressure drop and heat drop The pressure and temperature of steam remains constant The steam is expanded in moving blades only The steam is expanded both in fixed and moving blades continuously The steam is expanded in nozzles only and there is a pressure drop and heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual power generated in the engine cylinder is called Brake power Frictional power None of these Indicated power Brake power Frictional power None of these Indicated power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a flywheel is To prevent fluctuation of speed To convert rotary motion of the crankshaft into to and fro motion of the valve rod To keep the engine speed uniform at all load conditions To convert reciprocating motion of the piston into rotary motion To prevent fluctuation of speed To convert rotary motion of the crankshaft into to and fro motion of the valve rod To keep the engine speed uniform at all load conditions To convert reciprocating motion of the piston into rotary motion ANSWER DOWNLOAD EXAMIANS APP
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