Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Same value Lower/higher depending on steam flow Lower value Higher value Same value Lower/higher depending on steam flow Lower value Higher value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Expansion ratio None of these Cut-off ratio Clearance ratio Expansion ratio None of these Cut-off ratio Clearance ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 30 to 40% 10 to 15% 15 to 20% 20 to 30% 30 to 40% 10 to 15% 15 to 20% 20 to 30% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of an eccentric rod is To provide reciprocating motion to the slide valve To provide simple harmonic motion to the D-slide valve To convert reciprocating motion of the piston into rotary motion of the crank To convert rotary motion of the crankshaft into to and fro motion of the valve rod To provide reciprocating motion to the slide valve To provide simple harmonic motion to the D-slide valve To convert reciprocating motion of the piston into rotary motion of the crank To convert rotary motion of the crankshaft into to and fro motion of the valve rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as Stop valve Superheater Blow off cock Fusible plug Stop valve Superheater Blow off cock Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Less heating surface More heating surface Heating surface depends on other parameters Equal heating surface Less heating surface More heating surface Heating surface depends on other parameters Equal heating surface ANSWER DOWNLOAD EXAMIANS APP