The symbol for counterbore or spotface is ____.
A.
B.
C.
D.
Answer: C
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Which of the following is true with regard to fixed stage switchboards?
a. They are not referenced in the NEC®. b. They are not required to contain overcurrent devices. c. They are permitted to supply both stage and non-stage equipment. d. They must be located on the stage.
For a residential job, a reel containing 1,050 feet of cable is delivered. Three 45-foot lengths and three 65-foot lengths are used. How many feet are left?
Fill in the blank(s) with the appropriate word(s).
An automobile frame measures 11 feet 5 5/8 inches. What is the total length in inches?
A. 112 3/8 B. 120 1/8 C. 137 5/8 D. 156 5/8
What is the net stack temperature?
A) The temperature difference between the over-fire temperature and the ambient temperature B) The temperature difference between the stack temperature and the ambient temperature C) The sum of the stack temperature and the ambient temperature D) The temperature difference between the over-fire temperature and the stack temperature