Explain why you might not be able to easily measure the power use of an electric appliance and what to do if this occurs.
What will be an ideal response?
You will not be able to easily measure the power use of some electric appliances, either because they operate on
240 volt power, which most power meters cannot monitor, or because they are hardwired into the home’s electrical
system and cannot be plugged into the power meter. Most of these appliances will carry a label that includes a
maximum power rating. If you cannot find the label on the appliance, the power consumption information will also
be included in the operating instructions that come with it. If these are unavailable, you can find the same
information on line by searching for the brand and model of the appliance.
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Radiant heat is transferred by ____.
A. ultraviolet rays B. infrared rays C. ionization D. refraction
A ___________________ provides a physical restraint to prevent equipment from being turned back on.
A. lockout device B. tagout device C. safety ground D. zip tie
Which programming language is considered a low-level language suited for small programs and fast execution?
A. Function Block Diagram B. Instruction List C. Ladder Diagram D. Sequential Function Chart
The control that stops the condensing unit if the head pressure climbs too high is classified as a ____.
A. safety control B. thermostat C. temperature control D. speed control