A pressure relief valve is set at 30 psig. The valve is constantly opening and flooding the floor. What is causing the relief valve to constantly open?

A. The water-regulating valve is broken.
B. The system is overfiring.
C. The system needs to be calibrated.
D. The system requires a new boiler.


Answer: B

Trades & Technology

You might also like to view...

List five rules that should be adhered to when using abrasive discs.

What will be an ideal response?

Trades & Technology

What term refers to the distance between the line through the steering axis and the centerline of the wheel at the contact point with the road surface?

A) Scrub radius B) Toe-out on turns C) Included angle D) SAI

Trades & Technology

Documents is a general term that refers to all drawings and written information related to a project.

Answer the following statement true (T) or false (F)

Trades & Technology

A transformer in which the primary and secondary are physically separated and not connected by a conductor is called a(n) _____ transformer.

A. isolation B. step-up C. step-down D. turns

Trades & Technology