What type of circuit can cause extensive damage to other components in the circuit due to an increase in current?
A. Short
B. Closed
C. Ground
D. Open
A
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Material delivery to the jobsite, and even to the location within the jobsite, is most economically done by delivery people employed by the ____________________.
Fill in the blank(s) with the appropriate word(s).
In the customer service system’s first stage, a service consultant encounters an angry customer. What is important?
A. Treatment of the customer with courtesy B. Help the customer and complete the transaction (sale) C. Understand the anger is not a personal attack D. All of the above are important
During or following an evacuation, which of the following typically indicates a refrigerant circuit has a leak?
a. The vacuum gauge drops rapidly to 500 microns and will not go lower. b. The vacuum gauge shows a pressure rise that continues up to 0 psig when the pump is isolated. c. The vacuum gauge shows a pressure rise but levels off between 1,000 and 2,000 microns when the pump is isolated. d. A constant reading on the vacuum gauge of 500 microns is displayed when the pump is isolated.
What scale on a psychrometric chart can also be referred to as the sensible heat scale?
a. Wet-bulb b. Enthalpy c. Dry-bulb d. Dew point