Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Lever safety valve Spring loaded safety valve Dead weight safety valve High steam and low water safety valve Lever safety valve Spring loaded safety valve Dead weight safety valve High steam and low water safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Increasing the expansion ratio Decreasing exhausts pressure Decreasing initial steam pressure and temperature Increasing exhaust pressure Increasing the expansion ratio Decreasing exhausts pressure Decreasing initial steam pressure and temperature Increasing exhaust pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased work output per unit mass of steam Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased work output per unit mass of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Mean diameter and thickness Outside diameter and inside diameter Inside diameter and thickness Outside diameter and thickness Mean diameter and thickness Outside diameter and inside diameter Inside diameter and thickness Outside diameter and thickness ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Wet steam Dry saturated steam None of these Superheated steam Wet steam Dry saturated steam None of these Superheated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 85-90% 81-85% 78-81% 90-95% 85-90% 81-85% 78-81% 90-95% ANSWER DOWNLOAD EXAMIANS APP