If the diode measures both high forward and high reverse resistance, then it is probably ____.
A. opened
B. shorted
C. germanium
D. silicon
Answer: A
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If the engine is not running, technician A says that the high-voltage circuits are depowered. Technician B says that all high voltage wiring is orange in color. Which technician is correct?
A) Technician A
B) Technician B
C) Both Technicians
D) Neither Technician
Compared to furnaces installed at lower altitudes, furnaces installed at higher altitudes:
A) Require a larger vent. B) Heat up more quickly. C) Have a lower firing rate. D) Have a higher firing rate.
What size should the combustion air ducts be for a room with an 60,000 BTU/hr input furnace and a 16,000 BTU/hr water heater if the air is traveling through horizontal ducts?
A) 76,000 / 1,000 = 76 square inches free area each B) 76,000 / 4,000 = 19 square inches free area each C) 76,000 / 2,000 = 38 square inches free area each D) The size is irrelevant so long as there are combustion air vents
A ____ is used to keep the bottom of the stringer from sliding on the floor when downward pressure is applied to the stringer.
A. headroom B. handrail C. kicker D. tread