If a wire rope sling appears to be damaged, the decision to keep it in service must be made by a _____
A) site supervisor
B) district manager
C) competent person
D) crane operator
Answer: C
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Which of the following practices would encourage higher soil temperatures in the spring in a humid-temperate area?
A) follow no-till practices with a killed cover crop B) use a plastic mulch C) rototill the soil to leave it fluffy and bare D) irrigate the soil to leave it wet and dark colored E) apply a thick mulch of straw
Which device illuminates a different color when connected to power or ground sides of a circuit?
A) Logic probe B) LED test light C) Both A and B D) Neither A nor B
The_____ effect occurs when AC induces eddy currents into the conductor, which cause the electrons to be repelled toward the outer surface of the conductor.
A. insulation B. phasing C. skin D. resistance
What condition is indicated by blown off tips on fuel injectors?
A. Engine overheating. B. Water contamination in fuel. C. Engine backfires caused by poorly adjusted timing. D. Pre-detonation.