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 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called Wet steam Saturated steam Cushion steam Superheated steam Wet steam Saturated steam Cushion steam Superheated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Equal heating surface More heating surface Heating surface depends on other parameters Less heating surface Equal heating surface More heating surface Heating surface depends on other parameters Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive type' boiler is Vertical tubular fire tube type Water wall enclosed furnace type Horizontal multi-tubular water tube boiler Horizontal multi-tubular fire tube type Vertical tubular fire tube type Water wall enclosed furnace type Horizontal multi-tubular water tube boiler Horizontal multi-tubular fire tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat None of these Equal to the velocity of sound More than the velocity of sound Less than the velocity of sound None of these Equal to the velocity of sound More than the velocity of sound Less than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
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