Why are used refrigerant oils NOT disposed of at an automotive oil recycler?
A) Used refrigerant oil and used automotive oil can be mixed during disposal.
B) Used refrigerant oil and used automotive oil are compatible.
C) Used refrigerant oil and used automotive oil are interchangeable.
D) Used refrigerant oil and used automotive oil are not compatible.
D
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Using the conversion .03937 inches equals approximately 1 millimeter, approximately how many inches does 100 millimeters equal?
a. 937 b. 37 c. 6.25 d. 3.937
In the machine trades, the application of principles of solid or three-dimensional trigonometry is commonly called ____________________.
Fill in the blank(s) with the appropriate word(s).
While having a discussion, Technician A says that there is a short shaft at the outside end of a drive axle called a stub shaft. Technician B says that is called a stub axle. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Why is planned maintenance often performed during the off-season?
A) Most equipment fails during the off season. B) You can usually perform the maintenance without having to shut off the system. C) There are more daylight hours for working. D) For more efficient use of service labor hours