What are the two ways bimetal thermostats have of making a good connection when the thermostat closes?
What will be an ideal response?
This is accomplished in two ways, a small magnet placed in the position to make the contacts close firmly and by using mercury in a bulb causing the bulb to move to a position where the mercury makes a good electrical connection.
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Thru-beam sensing may be used over distances up to ____ feet.
A. 10 B. 100 C. 250 D. 700
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Testing products while they are being made is a costly and inefficient way of controlling
quality.
Indicate whether the statement is true or false.
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Isolation joints are also known as _____
a. separation joints b. control joints c. expansion joints d. movement joints
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What feature of wireless controllers can make it easier to deploy VoWLAN?
A. WDS B. LWAP C. QoS D. Wi-Fi Direct
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