Steam Boilers, Engines, Nozzles and Turbines Locomotive type' boiler is Horizontal multi-tubular fire tube type Vertical tubular fire tube type Horizontal multi-tubular water tube boiler Water wall enclosed furnace type Horizontal multi-tubular fire tube type Vertical tubular fire tube type Horizontal multi-tubular water tube boiler Water wall enclosed furnace type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The principal function of a stop valve is to Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder dimensions of a compound engine may be designed on the basis of Equal temperature drop in each cylinder for economy of steam All of these Equal power developed in each cylinder for uniform turning moment Equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders Equal temperature drop in each cylinder for economy of steam All of these Equal power developed in each cylinder for uniform turning moment Equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off ratio is the ratio of Swept volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Volume at cut-off to the clearance volume Swept volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Volume at cut-off to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, pā) will be 8.2 bar 5.46 bar 9.9 bar 3.3 bar 8.2 bar 5.46 bar 9.9 bar 3.3 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is used to blow off steam when the Both (A) and (B) Steam pressure exceeds the working pressure None of these Water level in the boiler becomes too low Both (A) and (B) Steam pressure exceeds the working pressure None of these Water level in the boiler becomes too low ANSWER DOWNLOAD EXAMIANS APP
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