Steam Boilers, Engines, Nozzles and Turbines One kilowatt-hour energy is equivalent to 1000 J 3600 kW/sec 3600 kJ 360 kJ 1000 J 3600 kW/sec 3600 kJ 360 kJ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called Induced steam jet draught Chimney draught None of these Forced steam jet draught Induced steam jet draught Chimney draught None of these Forced steam jet draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value 1 – moisture content 1 + moisture content (1- moisture content) (1 + moisture content) 1 – moisture content 1 + moisture content (1- moisture content) (1 + moisture content) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Increases Decreases Increases/decreases depending on steam temperature requirements Remains unchanged Increases Decreases Increases/decreases depending on steam temperature requirements Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? The steam consumption is less All of these A steam turbine develops higher speeds The efficiency of steam turbine is higher The steam consumption is less All of these A steam turbine develops higher speeds The efficiency of steam turbine is higher ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a fire tube boiler? Lancashire boiler None of these Babcock and Wilcox boiler Yarrow boiler Lancashire boiler None of these Babcock and Wilcox boiler Yarrow boiler ANSWER DOWNLOAD EXAMIANS APP
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