Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always None of these Equal to unity Less than unity Greater than unity None of these Equal to unity Less than unity Greater than unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in, a Coarran and Scottish marine boiler are Vertical Inclined Both horizontal and vertical Horizontal Vertical Inclined Both horizontal and vertical Horizontal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 15 to 25% 10 to 15% 25 to 40% 40 to 60% 15 to 25% 10 to 15% 25 to 40% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a fire tube boiler? Yarrow boiler Lancashire boiler None of these Babcock and Wilcox boiler Yarrow boiler Lancashire boiler None of these Babcock and Wilcox boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for a compound steam engine? The ratio of expansion is reduced, thus reducing the length of stroke The temperature range per cylinder is increased, with corresponding increase in condensation The forces in the working parts are increased as the forces are distributed over more parts The cost of the engine, for the same power and economy, is more than that of a simple steam engine The ratio of expansion is reduced, thus reducing the length of stroke The temperature range per cylinder is increased, with corresponding increase in condensation The forces in the working parts are increased as the forces are distributed over more parts The cost of the engine, for the same power and economy, is more than that of a simple steam engine ANSWER DOWNLOAD EXAMIANS APP
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