Technician A places his finger over the breather hole when greasing a propeller shaft slip spline. Technician B says that to properly grease 5th wheel pivot pins when a tractor is coupled to a trailer, the weight on the 5th wheel should be relieved by cranking up the dolly legs. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C
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Which of the following is the best method of checking out an air filter between service intervals?
A. remove and test with a trouble light B. test with a low pressure gauge C. test with a high pressure gauge D. tap on floor to loosen dust
Which of the listed components helps a crane to self-assemble the lattice-boom base?
a. Boom stops b. Main chords c. Spreaders d. Boom mast
Coordinate systems are used to locate things with respect to a known origin.
a. True b. False
The attachment plug cap in a mobile home shall be a ____, rated 50 amperes, 125/250 volts with a configuration.
A. 3-pole, 4-wire, grounding type B. 2-pole, 4-wire, grounding type C. 3-pole, 4-wire, grounding type D. 2-pole, 6-wire, grounding type