When is a staged controller more practical than thermostats?

What will be an ideal response?


1) When a signal from a single sensor such as temperature is used to
activate several stages of response, such as 2 stages of heating and 3 stages of
cooling. 2) When signals are received from more sensors than just a temperature
sensor.

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Briefly explain the importance of cells to animal producers

What will be an ideal response?

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The popularity of organic and free-range eggs has created a _____ for local and small producers.

Fill in the blank(s) with the appropriate word(s).

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Since the primary purpose of roofing is to keep ____ out of the house, selecting products that can be installed properly by available labor is key.

A. sunlight B. bugs and animals C. water D. wind

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Which type of air spring is most commonly used in heavy-duty trucks?

A. single-convoluted B. double-convoluted C. triple-convoluted D. reversible sleeve

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