Steam Boilers, Engines, Nozzles and Turbines The steam enters the nozzle at a High pressure and a high velocity Low pressure and a high velocity High pressure and a low velocity Low pressure and a low velocity High pressure and a high velocity Low pressure and a high velocity High pressure and a low velocity Low pressure and a low velocity 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 79 m/s 450 m/s 188 m/s 900 m/s 79 m/s 450 m/s 188 m/s 900 m/s 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 Two-fourth One-half One-third Two-fifth Two-fourth One-half One-third Two-fifth 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 Pick up the wrong statement about critical condition of steam Latent heat is zero Liquid directly becomes steam This is the maximum pressure limit Specific volume of steam and liquid is same Latent heat is zero Liquid directly becomes steam This is the maximum pressure limit Specific volume of steam and liquid is same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Amount of water evaporated per hour Steam produced in kg/kg of fuel burnt All of the listed here Steam produced in kg/h Amount of water evaporated per hour Steam produced in kg/kg of fuel burnt All of the listed here Steam produced in kg/h ANSWER DOWNLOAD EXAMIANS APP
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