Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 40 to 60% 10 to 15% 15 to 25% 25 to 40% 40 to 60% 10 to 15% 15 to 25% 25 to 40% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative efficiency is defined as the Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Ratio of thermal efficiency to Rankine efficiency Product of thermal efficiency and Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Ratio of thermal efficiency to Rankine efficiency Product of thermal efficiency and Rankine efficiency 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 Superheated steam None of these Wet steam Dry saturated steam Superheated steam None of these Wet steam Dry saturated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Increases Decreases May increase or decrease depending upon the method of storage Remain constant Increases Decreases May increase or decrease depending upon the method of storage Remain constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is Internally fired boiler Horizontal boiler Stationary fire tube boiler All of these Internally fired boiler Horizontal boiler Stationary fire tube boiler All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single acting steam engine produces ___ power than that of double acting steam engine. Four times Half Double Equal Four times Half Double Equal ANSWER DOWNLOAD EXAMIANS APP