Steam Boilers, Engines, Nozzles and Turbines Which of the following is steam dial? Brown coal Coking bituminous coal Non-coking bituminous coal Pulverized coal Brown coal Coking bituminous coal Non-coking bituminous coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The value of the reheat factor varies from 1.6 to 2 1.08 to 1.10 1.02 to 1.06 1.2 to 1.6 1.6 to 2 1.08 to 1.10 1.02 to 1.06 1.2 to 1.6 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as Stop valve Fusible plug Blow off cock Superheater Stop valve Fusible plug Blow off cock Superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a convergent nozzle When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit None of these When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit None of these 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 Clearance ratio Cut-off ratio Expansion ratio None of these Clearance ratio Cut-off ratio Expansion ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 40 to 60% 25 to 40% 15 to 25% 10 to 15% 40 to 60% 25 to 40% 15 to 25% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS