Key Points

Question 1

Main steam stop valves and the steam header valve should be os&y gate valves

Answer 1

True

Question 2

The position of the stem on an os&y valve indicates weather the valve is oper or closed

Answer 2

Teue

Question 3

An os&y gate valve offers no resistance tothe flow of steam when open

Answer 3

True

Question 4

Main steam stop valves and steam headers valveare either wide open or completely closed

Answer 4

True

Question 5

An automatic nonreturn valve automatically opens and closes as necessary to allow steam to flow only from the boiler to the header

Answer 5

True

Question 6

Expansion bends in steam lines allow movement from expantion and contraction without damage to piping

Answer 6

True

Question 7

Steam traps increase the overall efficiency of a steam system

Answer 7

True

Question 8

Steam traps should be tested according to manufacturer recommendations or more frequenly depending on plant procedures

Answer 8

True

Question 9

Steam strainers should be located inthe steam line on the inlet side of the steam trap

Answer 9

True