List the four functions of a furnace gas valve

What will be an ideal response?


Manual control for ignition and normal operation; Pilot supply, adjustment, and safety shutoff; Pressure regulation of burner gas feed;
On/off electric solenoid valve controlled by the room thermostat.

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What is a triac?

What will be an ideal response?

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The four most common types of roof ____ are the common, the scissors, the mono pitch, and the flat.

A. trusses B. slopes C. rafters D. joists

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The primary advantages of room air conditioners include:

A) Relatively low cost and ease of installation. B) Can be used for improving indoor air quality using HEPA filters. C) Can be used with ductwork to distribute air to several rooms. D) High efficiency and quiet operation.

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To use Wi-Fi direct, a device must first join a WLAN.

Answer the following statement true (T) or false (F)

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