How do piercing pliers differ from braze-on piercing valves with regard to how they are used on sealed systems?

A) Piercing pliers have a greater danger of causing overheating.
B) Piercing pliers cannot be a permanent solution.
C) Piercing pliers require a bolted valve.
D) Piercing pliers cannot be used to recover refrigerant.


B

Trades & Technology

You might also like to view...

Which of the following actions cannot help to prevent moisture contamination of a refrigeration system?

a. Evacuating the system before starting it up b. Installing a filter-drier c. Plugging piping that is exposed to the atmosphere d. Using thicker copper tubing

Trades & Technology

Boars produce a very large volume of semen

Indicate whether the statement is true or false

Trades & Technology

NREL wind power resource maps classify every region in the US by Wind Power Class, ranging from ____, based on the average annual wind speed at heights of 33 ft and 164 ft above the ground.

A. 1 (poor) to 7 (superb) B. 1 (poor) to 10 (superb) C. 1 (poor) to 50 (superb) D. 1 (poor) to 100 (superb)

Trades & Technology

There is no way to reliably predict shrinkage in welds

Indicate whether the statement is true or false

Trades & Technology