An air conditioning system should be pumped down (evacuated) for a minimum of ____ minutes.
A. 10
B. 20
C. 30
D. 60
Answer: C
Trades & Technology
You might also like to view...
To simplify the task of converting the schematic diagram into a wiring diagram, ____________________ are added to the schematic diagram.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
A perfect flower contains both stamens and pistils
Indicate whether the statement is true or false
Trades & Technology
When playing a contact sport, which injury would one expect to occur more frequently: a dislocated shoulder or a dislocated hip? Why?
What will be an ideal response?
Trades & Technology
List the major provisions of Title VI, section 608 of the 1990 clean air act
What will be an ideal response?
Trades & Technology