Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) sin²α tan²α cot²α cos²α sin²α tan²α cot²α cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat None of these Less than the velocity of sound Equal to the velocity of sound More than the velocity of sound None of these Less than the velocity of sound Equal to the velocity of sound More than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Because sputtering, possibly extinguishing flame Clean the nozzles Aid in proper combustion Keep the burner tips cool Because sputtering, possibly extinguishing flame Clean the nozzles Aid in proper combustion Keep the burner tips cool ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To convert heat energy of the steam into mechanical work To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To convert heat energy of the steam into mechanical work ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of an eccentric rod is To provide reciprocating motion to the slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod To provide simple harmonic motion to the D-slide valve To convert reciprocating motion of the piston into rotary motion of the crank To provide reciprocating motion to the slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod To provide simple harmonic motion to the D-slide valve To convert reciprocating motion of the piston into rotary motion of the crank ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The height of chimney in a power plant is governed by The draft to be created Quantity of flue gases to be handled Limitation of construction facilities Control of pollution The draft to be created Quantity of flue gases to be handled Limitation of construction facilities Control of pollution ANSWER DOWNLOAD EXAMIANS APP