Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. Increases Has no effect on None of these Decreases Increases Has no effect on None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Calorific value of coal is of the order of 800-1200 kcal/ kg 2000-4000 kcal/ kg 5000-8000 kcal/ kg 200-400 kcal/ kg 800-1200 kcal/ kg 2000-4000 kcal/ kg 5000-8000 kcal/ kg 200-400 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a uniflow engine Steam enters at the centre and exhausts at the other end Steam enters and exhausts through the same port Steam enters at one end and exhausts at the centre None of these Steam enters at the centre and exhausts at the other end Steam enters and exhausts through the same port Steam enters at one end and exhausts at the centre None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Steam produced in kg/kg of fuel burnt Amount of water evaporated per hour Steam produced in kg/h All of the listed here Steam produced in kg/kg of fuel burnt Amount of water evaporated per hour Steam produced in kg/h All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated to its ignition point Heated sufficiently Burnt as powder Burnt in excess air Heated to its ignition point Heated sufficiently Burnt as powder Burnt in excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure and velocity both increases Pressure increases while velocity decreases Pressure and velocity both decreases Pressure decreases while velocity increases Pressure and velocity both increases Pressure increases while velocity decreases Pressure and velocity both decreases Pressure decreases while velocity increases ANSWER DOWNLOAD EXAMIANS APP
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