Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 60° 180° 270° 90° 60° 180° 270° 90° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Non-coking or free burning coal Pulverized coal High sulphur coal Coking coal Non-coking or free burning coal Pulverized coal High sulphur coal Coking coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotives, the draught is produced by Induced draft fan Both combined (A) and (B) Steam jet draught Chimney Induced draft fan Both combined (A) and (B) Steam jet draught Chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Parson's turbine is a Simple impulse turbine None of these Impulse-reaction turbine Simple reaction turbine Simple impulse turbine None of these Impulse-reaction turbine Simple reaction turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 160/3 m/s 640 m/s 320/3 m/s 640/3 m/s 160/3 m/s 640 m/s 320/3 m/s 640/3 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Brake thermal efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Brake thermal efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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