458 - 90 = ____.
A. 368
B. 387
C. 399
D. 408
Answer: A
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The chance that a given event will occur is called _____.
a. risk b. exposure c. probability d. consequence
A(n) ____________________ is a variable resistor made from semiconductor material.
Fill in the blank(s) with the appropriate word(s).
Why are used refrigerant oils not disposed of at an automotive oil recycler?
A) Used refrigerant oil and used automotive oils are compatible. B) Used refrigerant oil and used automotive oils are not compatible. C) Used refrigerant oil and used automotive oils are interchangeable. D) Used refrigerant oil and used automotive oils can be mixed during disposal.
Cores used in sand casting should generally be more than two inches in cross section.
Answer the following statement true (T) or false (F)