What are the indications a check valve has stuck closed on an outside coil?

What will be an ideal response?


Normal operation in heating, low suction pressure in cooling, cool liquid line

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A ____ is used to cut holes for installing cable or conduit in metal boxes, equipment, and applications.

a. circular saw b. knockout punch c. keyhole saw d. jigsaw

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A DC brushless motor is actually an AC brushless motor that has an integral inverter and electronic controls, a rectifier, and a position sensor.

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

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The subsequent problems deal with the circuit below where R1 = R2 = R.When the transistor is in saturation, I2 is

A. (Vin + 0.7 V) / R B. (Vout + 0.2 V) / R C. (Vin ? 0.7 V) / R D. Vin / R E. (Vout ? 0.2 V) / R

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The safety cap should always be in place when moving oxygen cylinders because:

A) The safety cap prevents cylinder overpressurization. B) If the valve were to break off, the cylinder would fly through the air. C) The safety cap prevents oxygen from leaking out. D) The safety cap provides a good place to connect a hook for lifting the cylinder.

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