Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Economical Desirable Uneconomical Essential Economical Desirable Uneconomical Essential ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines One kilowatt-hour energy is equivalent to 3600 kJ 3600 kW/sec 360 kJ 1000 J 3600 kJ 3600 kW/sec 360 kJ 1000 J ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is used where working pressure and power required are High Moderate Low None of these High Moderate Low None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 90-95% 78-81% 81-85% 85-90% 90-95% 78-81% 81-85% 85-90% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called Forced steam jet draught Chimney draught Induced steam jet draught None of these Forced steam jet draught Chimney draught Induced steam jet draught None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Raises the boiling point of a liquid Does not affects the boiling point of a liquid Reduces its volume Lowers the boiling point of a liquid Raises the boiling point of a liquid Does not affects the boiling point of a liquid Reduces its volume Lowers the boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP