The attachment plug cap in a mobile home shall be a ____, rated 50 amperes, 125/250 volts with a configuration.
A. 3-pole, 4-wire, grounding type
B. 2-pole, 4-wire, grounding type
C. 3-pole, 4-wire, grounding type
D. 2-pole, 6-wire, grounding type
Answer: A
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The bracing that helps plumb the frames is _____.
a. vertical cross-bracing b. horizontal cross-bracing c. girder bracing d. truss bracing
Of all the weld failures in a certain assembly, 85% of them occur in the weld metal itself, and the remaining 15% occur in the base metal. A sample of 20 weld failures is examined.
a. What is the probability that exactly five of them are base metal failures? b. What is the probability that fewer than four of them are base metal failures? c. What is the probability that none of them are base metal failures? d. Find the mean number of base metal failures. e. Find the standard deviation of the number of base metal failures.
When turning to size predictably:
A) A trial cut is taken and a spring caliper is set to the size using a rule. This is sufficiently accurate for finishing most outside diameters. B) A short skim cut is taken and measured. The cross slide feed collar is zeroed and the roughing cut depth is dialed. A trial cut is taken and the crossfeed screw backed off after noting the setting. The diameter is checked, the tool is returned to the start position and the dial reset to its former position. The cut is taken. This procedure is continued to finish size. C) A short skim cut is taken and measured. The cross feed collar is zeroed, and the roughing cut is dialed. A trial cut is taken and checked and the cut is taken. This procedure is continued to finish size. D) A trial cut is taken that looks like the approximate diameter or slightly over and it is checked with a micrometer. This procedure is continued to finish the part.
Carry the answer to two decimal places. What is the cost of 1,250 feet of cable at $23.25 per one hundred feet?
Fill in the blank(s) with the appropriate word(s).