Authorization to the contractor to perform work which involves a deviation from the requirements of the Contract Documents is called an:
A. addendum.
B. alternate.
C. new contract.
D. change order.
D
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If you bend from the waist to pick up an object weighing 20 pounds (9.07 kg), the amount of pressure applied to your lower back is _____.
a. 2 pounds (0.9 kg) b. 20 pounds (9.07 kg) c. 200 pounds (90.7 kg) d. 2,000 pounds (907 kg)
An electrical snake is a roll of flexible, yet somewhat rigid, metal strapping that is used to __________.
A. attach solderless connectors to the stripped ends of stranded wires B. run electrical wires through walls and ceilings C. determine the gauge or thickness of a wire D. strike chisels and punches
A downstream oxygen (O2) sensor is reading the same as the upstream O2 sensor. What does this indicate?
A. The downstream sensor is defective and must be replaced. B. The converter has low efficiency. C. The upstream sensor is not working properly. D. The converter is working properly.