If a boiler has more than 500ft of water heating surface and power input more than 1100 kw how many relief valves are required?

If a boiler has more than 500ft of water heating surface and power input more than 1100 kw how many relief valves are required?

A. 1
B. 2
C. 3
D. 4





Answer: B

How many relief valves a boiler should have?

How many relief valves a boiler should have?

A. 1
B. 2
C. 3
D. 4

Answer: A

Which code provides recommendations for the testing, operation and maintenance of safety valves?

Which code provides recommendations for the testing, operation and maintenance of safety valves?

A. ASME code section I
B. ASME code section II
C. ASME code section IV
D. ASME code section VIII
E. ASME code section VII






Answer: E

Temperature relief device opens when water temperature rises to about

Temperature relief device opens when water temperature rises to about

A. 95C
B. 99C
C. 96C
D. 94C
E. 98C





Answer: B

Which one is NOT a cause for a relief valve in a heating boiler that is opening or spilling?

Which one is NOT a cause for a relief valve in a heating boiler that is opening or spilling?

A. Scale will form if the temperature of the heater is below 65C
B. Pressure in the supply line varies and at times exceeds the setting of the valve.
C. Relief valve is defective
D. Hot water system has become water logged


Answer: A

Who can repair a safety valve?

Who can repair a safety valve?

A. Boiler operator only if fully qualified to do so and authorization from the chief inspector
B. Manufacture
C. Authorized repair representative
D. All of the above




Answer: D