What are the two basic types of relief valves used on refrigeration systems?
A) An automatic relief valve and a one-time relief valve
B) Electrically operated and pneumatically operated
C) A high-side pressure relief valve and a low-side pressure relief valve
D) System mounted and remote mounted
A
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a. 10 b. 15 c. 20 d. 25
Inverted pots or bricks can be used beneath the containers of water plants to control the ____________________
Fill in the blank(s) with correct word
The primary difference between a jack rafter and a cripple jack rafter is cripple jack rafters have a cut on one end exactly like common rafters
Indicate whether the statement is true or false
The biggest use of water resources in the world is in agriculture, accounting for 90% of all fresh water use
Indicate whether the statement is true or false.