What tool or instrument can be used for measuring leakage in ductwork?
What will be an ideal response?
A ductblaster can be used to pressurize a duct system to check for leaks.
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Technician A says a defective starter is a likely cause of low cranking speed and low current draw. Technician B says resistance in the starter circuit may result in low cranking speed and low current draw. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
The physical properties of a No. 4/0 copper conductor would be found in _____.
a. NEC Table 310.15(B)(16) b. NEC Chapter 9, Table 8 c. NEC Chapter 9, Table 1 d. NEC Table 310.15(B)(7)
What are the four main steps of the scientific method?
What will be an ideal response?
The first step in using a Veitch diagram is to ____.
A. draw the diagram based on the number of variables B. plot the logic functions by placing an X in each square representing a term C. obtain the simplified logic function by looping adjacent groups of X's in groups of eight, four, or two D. "OR" the loops with one term per loop