What type valve is a feed check valve of a boiler?

What type valve is a feed check valve of a boiler? Correct Answer One way valve

Feed check valve regulates the flow of feed water under pressure to the boiler drum. It is essentially a one way valve and allows water to flow only in one direction i.e., towards the boiler drum. No water flows back to the boiler drum.

Related Questions

Consider the following grammar (that admits a series of declarations, followed by expressions) and the associated syntax directed translation (SDT) actions, given as pseudo-code: P → D* E* D → int ID {record that ID.lexeme is of type int} D → bool ID { record that ID.lexeme is of type bool} E → E1 + E2 {check that E1.type = E2.type = int; set E.type := int} E → !E1 {check that E1.type = bool; set E.type := bool} E → ID {set E.type := int} With respect to the above grammar; which one of the following choices is correct?
Why starting valve is closed and valve 2 is opened while taking boiler on range in Benson boiler?
Function of feed check valve in a boiler is to