Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler. None of these More Equal Less None of these More Equal Less 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 188 m/s 900 m/s 450 m/s 79 m/s 188 m/s 900 m/s 450 m/s 79 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about the function of furnace? Maintain heat supply to prepare and ignite the incoming fuel Mix fuel with air and ignite Separate ash from coal To provide proper conditions for continuous complete combustion Maintain heat supply to prepare and ignite the incoming fuel Mix fuel with air and ignite Separate ash from coal To provide proper conditions for continuous complete combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fusible plug in small boilers is located Over the combustion chamber In the fire tubes In the drum Above steam dome Over the combustion chamber In the fire tubes In the drum Above steam dome ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Maximum energy loss in a boiler occurs due to Unburnt carbon in ash Ash content Incomplete combustion Flue gases Unburnt carbon in ash Ash content Incomplete combustion Flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blade velocity coefficient is unity Blades are equiangular and frictionless Blade solidity is 0.65 Blades are equiangular Blade velocity coefficient is unity Blades are equiangular and frictionless Blade solidity is 0.65 Blades are equiangular ANSWER DOWNLOAD EXAMIANS APP
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