Cost analysis is comparing _____
a. projected costs to work performed
b. material costs and equipment costs
c. labor costs and subcontractor costs
d. actual cost and projected costs
d
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Three resistors having values of 150 ohms, 300 ohms, and 100 ohms are connected in parallel. What is the total resistance in ohms?
a. 50 b. 100 c. 150 d. 300
The valve that offers a change of direction in a pipeline without using an elbow is the _____ valve.
a. Y-type b. angle c. globe d. swing check
The Hamming code is a(n) ________
A) encryption code B) error correction code C) an updated version of the ASCII code D) octal version of the BCD code
What is the best advice for drivers when a heavy fog occurs?
a. Alternate your own high beams to improve your vision b. Do not drive too slowly or other drivers may hit you. c. Park the truck until the fog disappears.