Balancing valves are required
A) to create negative pressure. B) to allow adjustable flow.
C) on single circuit loops. D) on venturi pipe systems.
B
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What male hormone controls the animal's sex drive and stimulates development of the animal's sex characteristics?
a. Estrogen c. Testosterone b. Libido d. Progesterone
There are tree farms in almost all states
Indicate whether the statement is true or false
Rivets used to fasten two pieces of sheet metal where only the outside surface is accessible are called ____________________ or ____________________.
Fill in the blank(s) with the appropriate word(s).
An original-equipment, 45-degree elbow on a line exiting a relay valve supplying a service chamber is replaced by a 90-degree elbow. Technician A says that this should have no effect on brake performance, because it is the service application pressure that determines braking force. Technician B says that the use of the 90-degree elbow increases flow restriction and can affect pneumatic timing. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B