When installing grooved pipe couplings, the coupling housing halves are tightened together until _____
A) they have a 1/8? gap between them
B) the required bolt torque is reached
C) there is a 1/4? gap between them
D) they touch
Answer: D
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Estimate the weight of concrete in a 4-lane highway segment that begins as a 3 percent grade climb from 1 000 feet of altitude to 4 000 feet and then a 6 percent downgrade to 2 500 feet.
What will be an ideal response?
A small town purchased a 35 ft diameter cylindrical tank for potable water in the event of an emergency. The town consists of 4 300 family units. If each family were to collect 35 gallons of water, what would be the minimum height of the tank?
What will be an ideal response?
One of the most widely used inspection and quality control instruments available in graduations from 0.001 to 0.000050 in. provides accuracy and speed and is available in all types of gaging equipment and in many machine tools.
a. digital indicator b. bench micrometer c. dial indicator d. protractor
Britain did not protest too loudly against the Union naval blockade of the Confederacy because
A. Britain might want to use a similar blockade in a future war. B. the British government clearly supported the Union. C. it would have been useless to try to run the blockade. D. profits were not high enough to justify the risk. E. the blockade was very ineffective in cutting off shipments of commercial goods including cotton from the Confederate ports to Britain.