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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If a sewage pump or ejector receives discharge from either a water closet or urinal, it must have a minimum capacity of ____ gallons per minute.
a. 10 b. 15 c. 20 d. 25
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.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