Packing prevents fluid from leaking up around the valve _____.
a. body
b. stem
c. bonnet
d. bonnet bolting
b. stem
Trades & Technology
You might also like to view...
Discuss the two methods used in manufacturing steel, giving their relative advantages and disadvantages.
What will be an ideal response?
Trades & Technology
The neutral point is the common point on a ____ in a polyphase system.
A. bye-connection B. branch circuit C. wye-connection D. delta circuit
Trades & Technology
Matter is defined as:
A) Anything that has mass and takes up space. B) Physical objects that emit energy. C) Anything that has weight, can be seen, and emits energy. D) Physical objects that can be seen.
Trades & Technology
An air conditioning system should be pumped down (evacuated) for a minimum of ____ minutes.
A. 10 B. 20 C. 30 D. 60
Trades & Technology