Blow off cock in a boiler is used to
A
Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required
B
Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler
C
Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit
D
Increase the temperature of saturated steam without raising its pressure
Correct Answer: Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler
