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 = 2g H' V = 2gH' V = H'/2g V = 2g/H' V = 2g H' V = 2gH' V = H'/2g V = 2g/H' ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a divergent nozzle When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit None of these When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit None of these When the cross-section of the nozzle decreases continuously from entrance to exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power) 1/(I.P) 1/(I.P)² I.P. (I.P.)² 1/(I.P) 1/(I.P)² I.P. (I.P.)² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Desirable Economical Uneconomical Essential Desirable Economical Uneconomical Essential ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.582 0.577 0.528 0.546 0.582 0.577 0.528 0.546 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 47.5 mm, 130 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 65.5 mm, 210 mm 47.5 mm, 130 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 65.5 mm, 210 mm ANSWER DOWNLOAD EXAMIANS APP
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