How can a technician tell the difference between an upflow furnace and a downflow furnace?
What will be an ideal response?
The upflow furnace has the blower located below the heat exchanger and air is pushed upward, while a downflow furnace has the blower located above the heat exchanger and air is pushed downward.
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What is the lowest common denominator of 2/3 and 4/5?
A. 3 B. 5 C. 10 D. 15
The courtship and mating of dogs and cats is controlled largely by
A. Pheromones B. Enzymes C. Petfoods D. Environment E. Training
According to reports, there are more than __________ vehicles in operation worldwide
A) 6 billion B) 600 million C) 2.6 billion D) 835,000 E) 1 billion
Technician A says that disc brake pads should be replaced when worn to minimal allowable thickness. Technician B says the pads should be removed and inspected whenever there is a brake performance complaint. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician