How are motorized dampers controlled when they are used as bypass dampers to relieve pressure differential across the blower?
What will be an ideal response?
By a pressure stat that measures the static pressure across the blower
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State the requirements for the service-entrance switch stipulated by the Code®.
What will be an ideal response?
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Which of the following acronyms defines the ignition quality of a diesel fuel?
A. CNG B. RON C. MON D. CN
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Which of the following is a type of low-ambient temperature head pressure control?
A. CPR. B. EPR. C. Fan cycling. D. Off-cycle defrost.
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Describe how the type of dielectric material affects the capacitance of a capacitor. Describe a dialectric constant and provide some examples.
What will be an ideal response?
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