A basic law of magnetism states that unlike poles _____ and like poles _____.
A. attract; repel
B. repel; attract
Answer: A
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If 73' (22.3 m) of pipe is to be jacketed with 36" (91.4 cm) roll sheet metal sections with a 2" (5.1 cm) butt overlap, how many whole sections will be required?
a. 23 b. 24 c. 26 d. 28
What should be done to prepare an oil pump for operation in a one-pipe oil delivery system?
A) The internal bypass plug should be removed. B) The internal bypass plug should be installed. C) The oil burner must be set for low speed. D) The oil burner motor must be set for high speed.
The selection index method recognizes the value of single traits and ignores economic weighting on traits of importance.
Answer the following statement true (T) or false (F)
To prevent manual handling hazards, utilize team lifting when lifting items that weigh more than how many pounds?
a. 25. b. 50. c. 75. d. 100.