382) Fire tube boilers are limited to a maximum design working pressure of
Answer is:
17 kg/cm2
Related Pressure Vessels and Engines MCQ with Answers
Answer is:
more heating surface
Answer is:
48:20:15:7:10
Answer is:
allow high pressure feed water to flow to drum and not allow reverse flow to take place
Explanation:
Feed Check Valve : When the level of water in the boiler falls, it is brought back to the specified level by supplying the additional water called feed water. The pressure inside the boiler will be high therefore the pressure of the feed water has to be raised by a pump before it is fed into the boiler. the feed water at high pressure is fed into the boiler through the feed check valve.
The function of Feed check valve to regulate the rate of flow of feed water and it should prevent the escape of the water from the boiler through the opened regulator valve in the event of instantaneous cease of working of the feed water pump, or when the pressure of the feed water in the pump falls due to the leakage on the delivery side of the pump.