Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum working pressure of 170 MN/m² 0.17 MN/m² 17 MN/m² 1.7 MN/m² 170 MN/m² 0.17 MN/m² 17 MN/m² 1.7 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Extract heat from the exhaust flue gases Economize on fuel Increase flue gas temperature Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Economize on fuel Increase flue gas temperature Increase thermal efficiency of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The difference of supersaturated temperature and saturation temperature at that pressure is called Degree of super-saturation Degree of superheat Degree of under-cooling None of the listed here Degree of super-saturation Degree of superheat Degree of under-cooling None of the listed here 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 = 2gH' V = 2g H' V = 2g/H' V = H'/2g V = 2gH' V = 2g H' V = 2g/H' V = H'/2g ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine. More Less None of these Same More Less None of these Same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbine is a Simple reaction turbine Impulse-reaction turbine None of these Simple impulse turbine Simple reaction turbine Impulse-reaction turbine None of these Simple impulse turbine ANSWER DOWNLOAD EXAMIANS APP
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