Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal May increase or decrease depending upon the method of storage Remain constant Decreases Increases May increase or decrease depending upon the method of storage Remain constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle increases continuously from entrance to exit, it is called a Convergent-divergent nozzle None of these Divergent nozzle Convergent nozzle Convergent-divergent nozzle None of these Divergent nozzle Convergent nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between Air preheater and chimney Last superheater or reheater and air preheater Induced draft fan and forced draft fan None of these Air preheater and chimney Last superheater or reheater and air preheater Induced draft fan and forced draft fan None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by V = H'/2g V = 2g H' V = 2g/H' V = 2gH' V = H'/2g V = 2g H' V = 2g/H' V = 2gH' ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of 10 atmospheres 20 atmospheres 30 atmospheres 40 atmospheres 10 atmospheres 20 atmospheres 30 atmospheres 40 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
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