Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to All of the listed here Increase steam pressure Superheat the steam Reduce fuel consumption All of the listed here Increase steam pressure Superheat the steam Reduce fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fusible plug in small boilers is located In the fire tubes Above steam dome In the drum Over the combustion chamber In the fire tubes Above steam dome In the drum Over the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 450 m/s 79 m/s 900 m/s 188 m/s 450 m/s 79 m/s 900 m/s 188 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an ideal impulse turbine, the Absolute velocity at the inlet of moving blade is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler usually have _________ diameter. 62.5 mm 72.5 mm 92.5 mm 6.25 mm 62.5 mm 72.5 mm 92.5 mm 6.25 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbine is a Simple reaction turbine Impulse-reaction turbine Simple impulse turbine None of these Simple reaction turbine Impulse-reaction turbine Simple impulse turbine None of these ANSWER DOWNLOAD EXAMIANS APP
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