Check valves are _____ directional-control valves
a. one-way
b. two-way
c. three-way
d. four-way
a
Trades & Technology
You might also like to view...
What percent of the root zone of most plants must receive water to provide the benefits of irrigation?
a. 30 c. 50 b. 40 d. 60
Trades & Technology
List the sequence in which an animal's body deposits fat
What will be an ideal response?
Trades & Technology
Which pair of factors most directly affects the maximum allowable pressure drop within a system?
A) Temperature of refrigerant and type of refrigerant B) Type of refrigerant and gas velocity C) Temperature of refrigerant and gas velocity D) Type of refrigerant and pipe size
Trades & Technology
What type of pliers should be used to cut wire?
What will be an ideal response?
Trades & Technology