Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is used to blow off steam when the Steam pressure exceeds the working pressure Water level in the boiler becomes too low Both (A) and (B) None of these Steam pressure exceeds the working pressure Water level in the boiler becomes too low Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Blading efficiency is also known as Diagram efficiency Nozzle efficiency None of these Stage efficiency Diagram efficiency Nozzle efficiency None of these Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) cot²α sin²α tan²α cos²α cot²α sin²α tan²α cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the actual vacuum to the ideal vacuum in a condenser is called Condenser efficiency Boiler efficiency Nozzle efficiency Vacuum efficiency Condenser efficiency Boiler efficiency Nozzle efficiency Vacuum efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated sufficiently Burnt in excess air Burnt as powder Heated to its ignition point Heated sufficiently Burnt in excess air Burnt as powder Heated to its ignition point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler parameters are expressed by All of these Pressure of steam in kg/cm² Temperature of steam in °C Tonnes/hr. of steam All of these Pressure of steam in kg/cm² Temperature of steam in °C Tonnes/hr. of steam ANSWER DOWNLOAD EXAMIANS APP