What is the device that prevents the discharge of steam from a heating unit and allows air and condensate to discharge to the condensate return lines?
What will be an ideal response?
Trap.
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Mr. Ford brought 9 cows averaging 1,315 pounds, 12 steers averaging 565 pounds, and 15 heifers averaging 535 pounds to the Boyd County Livestock Market. The cows sold for $920 per head, the steers for $140 per 100 pounds (cwt), and the heifers for $120 per cwt. The selling expenses are shown in Table 17-1. What did the livestock market pay Mr. Ford for the cattle
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The basic parts of a stairway are risers, treads, and _____.
a. balustrades b. center-cut stringers c. stair framing d. handrails
A separately derived system is a premises wiring system that is _____.
a. limited to DC power b. grounded directly to the grounding electrode conductor c. completely contained in one building d. powered from a source other than a service
When one measures current the unit of measure is:
A) Joules B) Volts C) Amperes D) Watts