After a drive is tensioned, it is important to:
A. Be alert for belt squeal or other signs of slip.
B. Stop the drive and recheck it after 24 hours of operation.
C. Stop the drive and retension it before 48 hours of operation.
D. All of the above answers are correct.
D
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What is one time constant of a 4.7 ?F capacitor in series with a 22 k? resistor?
A) 1.03 ms B) 10.3 ms C) 0.103 ms D) 103 ms
A corner office measures 10 feet by 12 feet 6 inches with an 10-foot ceiling. The two outside walls are brick with 3 1/2 inches of insulation. There are no windows in the walls. The ceiling has 9 1/2 inches of insulation beneath a vented roof. The floor is a slab floor sitting on the ground. What is the heat load for this office for a design temperature difference of 75°F?
Fill in the blank(s) with the appropriate word(s).
Two sections of countertop that meet at a 45-degree angle are connected from below using _____.
a. T-nuts b. threaded inserts c. angle bolts d. tight-joint fasteners
Before cutting or welding a container that might have contained a hazardous substance, check the label, and then _____.
a. call the project safety officer b. refer to the safety data sheet c. consult your supervisor d. go to the OSHA website