Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 10 to 15% 40 to 60% 15 to 25% 25 to 40% 10 to 15% 40 to 60% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Improve Remain unaffected Worsen May improve/worsen depending on size Improve Remain unaffected Worsen May improve/worsen depending on size ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of shell of a Locomotive boiler is 1 m 4 m 3 m 2 m 1 m 4 m 3 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be Over-damping None of these Under-damping Choked Over-damping None of these Under-damping Choked ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Throttle governing of steam engines is a method of controlling the engine output by varying Pressure of intake steam Volume of intake steam Temperature of intake steam All of these Pressure of intake steam Volume of intake steam Temperature of intake steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The numbers of fire tubes in a Cochran boiler are 115 75 165 225 115 75 165 225 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS