Which of the following is a correct statement about the use of fall-arrest equipment?
a. Body belts alone are acceptable as a personal fall-arrest system.
b. Workers must have a co-worker inspect their personal fall-arrest system before donning
them.
c. Platform occupants shall not fasten fall-arrest systems to guardrails.
d. Harnesses must include D-rings and snap hooks made from non-ferrous metals.
c. Platform occupants shall not fasten fall-arrest systems to guardrails.
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The brake shoes, retraction, and fastening hardware are mounted to:
A. A spider B. A backing plate C. The drum D. The axle spindle
What could happen if you charge liquid refrigerant into a chiller that is under a deep vacuum?
A) The vacuum will draw in an excessive amount of refrigerant, causing an overcharge. B) The compressor motor amp draw will cause the motor overload to trip. C) The refrigerant will flash at a low temperature, freeze the water, and crack the chiller tubes. D) The refrigerant will fractionate when it flashes off in the chiller.
Which of the following problems can be caused by restrictions in the capillary tubes?
A) Low suction line temperature B) Low box temperature C) High suction pressure D) Low suction pressure
The three basic applications of screw threads are __________, __________, and __________________
Fill in the blank(s) with correct word