A(n) ____________________ interpass temperature occurs when the weld bead cannot be controlled because of a slow cooling rate.
Fill in the blank(s) with the appropriate word(s).
maximum
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The effect of a harmonic on the current flowing in the supply conductors is approximately ____ percent.
A. 10 B. 3 to 5 C. 40 to 50 D. 90
Nitrogen leaches down to the roots much faster than phosphorus or potash
Indicate whether the statement is true or false
Which of the following steps should be completed when returning a storage tank to service?
A. Open roof drains on external floating roof tanks. B. Check to see that all manways are in place. C. Inspect for leaks by hydrotesting the tank. D. All of the above
Which of the following is true for design of telecom rooms? Select all that apply.
A) The owner's IT department should be consulted early regarding specific requirements. B) Power requirements are fairly consistent among buildings. C) There are universal standards for space requirements and good layout. D) The need for reliable power and 24×7 cooling can be reasonably assumed.