In a circuit with two or more resistances in parallel, the total resistance in the circuit is the sum of the resistances in the circuit.
Answer the following statement true (T) or false (F)
False
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A transformer can be checked for shorted turns using a(n) _____.
a. VOM set to measure resistance b. TTR tester c. VOM set to measure current d. megger
The general order of drawing sheets is similar to that of specifications: ____ are first.
A. foundation plans B. site plans C. floor plans D. building elevations
If the drain for a 90 percent efficient furnace and the drain for the air conditioning coil are run with a common drain, the drain should be sized:
A) For the air conditioning drain, which is larger. B) To handle the combined condensate output of the air conditioner and the furnace. C) For the furnace drain, which is larger. D) To match the cross-section area of the combined drains.
Lack of secondary air or a stopped up vent will cause:
A) The high limit to open. B) Flame rollout. C) Higher-than-normal temperature rise. D) Delayed ignition.