How is a temperature-pressure relief valve on a hot-water boiler tested?

A) Jump the high limit and operate the burners until the pressure relief valve opens.
B) Pull the lever and look for water at outlet of discharge pipe.
C) Pressurize the boiler with nitrogen until the pressure relief valve opens.
D) Pressure relief valves are optional, so testing is not required.


B

Trades & Technology

You might also like to view...

Scientists often take cultures to determine the type of bacteria infecting an animal

Indicate whether the statement is true or false

Trades & Technology

The national debt increased most during

A. Franklin Roosevelt's New Deal. B. Herbert Hoover's administration. C. World War II. D. World War I. E. the 1920s.

Trades & Technology

NMOS devices use MOSFETs to implement the full range of logic functions using the universal NAND gate

Indicate whether the statement is true or false

Trades & Technology

The largest of the three common stainless steel groups, and the type most often encountered by welders, is the

_____. a. austenitic group b. ferritic group c. martensitic group d. chromium-martensitic group

Trades & Technology