What precaution may have to be taken for long adjustable extensions when configuring a large offset angle in the jib?
a. Avoiding too-large an offset
b. Lowering the front outriggers during the adjustment
c. Reducing the amount of counterweight
d. Ensuring workers have fall protection when setting the offset
d. Ensuring workers have fall protection when setting the offset
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When lifting a heavy object, which of the following should be true?
A. Keep your back erect while lifting. B. Keep the weight you are lifting close to your body. C. Bend your legs and lift using the leg muscles. D. All of the above.
Fenestration in general, and windows in particular, affect efficiency and comfort through four specific principles: radiation, convection, conduction, and ____.
A. air leakage B. conversion C. reduction D. reflection
The alternating field causes the rotor to rotate on the shaft, making one revolution for each half-cycle of the input AC power
Indicate whether the statement is true or false
Sketching equipment is not elaborate. All you need are these three items __________________________________.
Fill in the blank(s) with the appropriate word(s).