Technician A says that downflow radiators use a double pass flow principle. Technician B says that a counterflow radiator uses double pass flow routing. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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The magnetic portion of a standard circuit breaker _____.
a. provides an instantaneous trip for high levels of current b. protects the circuit from heat damage generated by lower level currents c. prevents the device from tripping due to a short circuit d. provides a trip delay for high levels of current
At typical operating conditions, the standard air-conditioning system will operate with an evaporator boiling point of ____°F.
A. 40 B. 45 C. 50 D. 55
__________________ is an animal relationship in which one benefits and the other is not harmed
Fill in the blank(s) with correct word
Why is high accuracy required with an item such as masonry?
What will be an ideal response?