Calculate the equivalent length of a 6 inch diameter chimney connector with two 45° ells and 8 feet of pipe
What will be an ideal response?
2 x 5 = 10 feet for ells + 8 = 18 equivalent feet
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Specific lengths of fillet welds can be described by placing the symbols in conjunction with the ____ lines of the drawing.
A. reference B. dimension C. weld D. control
What kind of mounting is often used in tunnels and other underground installations where equipment is separated by long distances?
a. Wall mounting b. Direct rod mounting c. Trapeze mounting d. Center-hung mounting
The subsequent problems deal with the switched RC circuit below. Assume that the capacitor has no charge to begin with, and assume that VA and VB are constant dc voltages.
Immediately after the switch is closed (i.e., the circuit is not in steady state yet), what is the correct expression for the current (I), given the polarity shown?
A. ? or ?? B. (VA ? VB) / R C. (VB ? VA) / R D. VA / R E. 0
Which of the following sequencer control register bit information is NOT true?
A) The number of words in a sequence file is always the length value plus 1. B) The found bit FD in the SQC instruction is set to 1 to indicate that all non-masked bits in the source address match the corresponding bits in the reference file word. C) The done bit (DN) is set by the SQO or SQC instruction after it has operated on the last word in the sequencer file. D) The enable bit (EN) is true when the SQO or SQC instruction rung is false.