Adding a little extra refrigerant over the amount recommended by the manufacturer:
A) Does not affect system capacity or efficiency, but provides a buffer against future refrigerant loss and nuisance call backs.
B) Reduces system capacity but slightly increases system efficiency.
C) Increases system capacity slightly but reduces system efficiency.
D) Reduces both system capacity and efficiency.
D
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Pipe fill is required for which of the following circuits?
A. Security Alarm circuits B. Telephone circuits C. Audio circuits D. Computer Networking circuits
The length, L, of the point on any standard 82 degree included-angle drill can be calculated using the formula 0.575 x D where D represents the diameter of the drill. Determine the length of the drill point if the diameter is 15 mm. Round to three decimal places.
Fill in the blank(s) with the appropriate word(s).
All of the following are methods of piston to rod attachment EXCEPT ________
A) Full floating B) Woodruff key C) Free floating D) Press fit to rod
Which of the following products in not contained in a CFC refrigerant?
A. Chlorine B. Fluorine C. Carbon D. Hydrogen