Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For small power purposes and high speeds For large power purposes Where low speeds are required For small power purposes and low speeds For small power purposes and high speeds For large power purposes Where low speeds are required For small power purposes and low speeds ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. Increases Has no effect on Decreases None of these Increases Has no effect on Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid explosion Avoid excessive build up of pressure Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid explosion Avoid excessive build up of pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The biggest size of thermal power unit operating in India is 60 MW 500 MW 30 MW 100 MW 60 MW 500 MW 30 MW 100 MW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Non availability of ideal substance Frictional losses It is not possible to achieve 0°K temperature Leakage Non availability of ideal substance Frictional losses It is not possible to achieve 0°K temperature Leakage ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of brake power to the indicated power is known as Overall efficiency Brake thermal efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Brake thermal efficiency Indicated thermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP