What is the purpose of a gauge manifold valve?

A) To control refrigerant flow to the gauge's center
B) To allow for a permanent opening for refrigerant flow
C) To cut off refrigerant flow from the center of the gauge
D) To limit the flow of refrigerant to the outside of the valve


A

Trades & Technology

You might also like to view...

An armed march in Philadelphia in 1764 by Scots-Irish colonial immigrants, protesting the Quaker oligarchy's lenient policy toward the Indians was known as

A. Bacon's Rebellion. B. March of the Paxton Boys. C. Regulator Movement. D. Shays' Rebellion. E. Oligarchy Revolution.

Trades & Technology

PROBLEM 2.34 For the composite block shown in Prob. 2.33, determine (a) the value of h if the portion of the load carried by the aluminum plates is half the portion of the load carried by the brass core, (b) the total load if the stress in the brass is 80 MPa. PROBLEM 2.33. An axial centric force of magnitude P ? 450 kN is applied to the composite block shown by means of a rigid end plate. Knowing that h ? 10 mm, determine the normal stress in (a) the brass core, (b) the aluminum plates.

Trades & Technology

When humans take coal out of the earth's crust and burn it, it releases carbon into the atmosphere, creating an imbalance that could change the ecological supportive conditions that help humans thrive on earth

Indicate whether the statement is true or false

Trades & Technology

Why is it recommended that an acetylene cylinder valve never be opened more than one-half turn?

A) To minimize the strain of the high cylinder pressures on the valve threads B) To allow rapid shutoff in the case of an accident C) To prevent the valve from getting stuck in the fully opened position D) To regulate the pressure to the torch handle

Trades & Technology