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 Equal heating surface 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines It is required to produce large amount of steam at low pressure. Which boiler should be used? Pulverized fuel fired boiler Cochran boiler Babcock and Wilcox boiler Lancashire boiler Pulverized fuel fired boiler Cochran boiler Babcock and Wilcox boiler Lancashire boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called None of these Cut-off ratio Expansion ratio Clearance ratio None of these Cut-off ratio Expansion ratio Clearance ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel High calorific value Produce minimum smoke and gases Ease in storing High ignition point High calorific value Produce minimum smoke and gases Ease in storing High ignition point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Stage efficiency Mechanical efficiency Nozzle efficiency Blading efficiency Stage efficiency Mechanical efficiency Nozzle efficiency Blading efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is None of these To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To measure pressure of steam inside the steam boiler To indicate the water level inside the boiler to an observer None of these To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To measure pressure of steam inside the steam boiler To indicate the water level inside the boiler to an observer ANSWER DOWNLOAD EXAMIANS APP