In series heat-reclaim systems, what happens to the heat from the refrigerant in the compressor discharge line?
A) It is used to cool the air in the store's HVAC system.
B) It is used to preheat the air for the store's HVAC system.
C) It flows to the heat-reclaim coil and condenser.
D) It flows directly to the condenser.
B
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Asphalt shingles are provided with a self-sealing adhesive line along the entire length of a shingle and about half-way through its width. What is the purpose of the adhesive line?
What will be an ideal response?
Multiconductor cord or cable used to support a box must be protected in an approved manner so that the conductors are not subjected to ____.
A. strain B. transient current C. tensile force D. compression
The type of metering device most commonly used in domestic freezers is a(n) ____.
A. capillary tube B. TX valve C. electric expansion valve D. AX valve
Which of the following statements about metal raceways and enclosures for service conductors is true?
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