Describe the proper way to verify the absence of voltage with an electrical meter._______________________________________________________________________________________________________________________________________________________________________________________________________________
What will be an ideal response?
Check the voltage of a known power source
Check the equipment for any potential voltage
Verify the meter is still working on a known power source
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If a capillary tube is restricted due to a sharp bend, the _____
a. evaporator will be fed too much refrigerant b. evaporator will be starved of refrigerant c. condenser will be fed too much refrigerant d. condenser will be starved of refrigerant
The durability of a corrugated metal roof comes from the _____
A) thickness (gauge) of the metal B) density of the corrugations C) zinc coating on the sheets D) purlins under the metal roofing sheets
If the gain of a proportional controller is too high, it will cause the controlled variable to oscillate around the set point in the same manner as an on/off system.
Answer the following statement true (T) or false (F)
The erroneous reading from the UPC symbol is given by 0 7 e 3 1 0 0 0 0 4 2 1, where e is the erroneous digit value. The value of e is _____.
What will be an ideal response?