Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.528 0.546 0.582 0.577 0.528 0.546 0.582 0.577 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes in a Lancashire boiler compared to its shell is One-third Two-fourth Two-fifth One-half One-third Two-fourth Two-fifth One-half 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 If the critical pressure ratio for steam is 0.546, then the steam is initially Superheated steam None of these Dry saturated steam Wet steam Superheated steam None of these Dry saturated steam Wet steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The proximate analysis of fuel lists Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical None of these Both (A) and (B) To give maximum space and strength To withstand the pressure of steam inside the boiler None of these Both (A) and (B) To give maximum space and strength To withstand the pressure of steam inside the boiler ANSWER DOWNLOAD EXAMIANS APP
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