In series heat-reclaim systems, what happens to the heat from the refrigerant in the compressor discharge line?
A) It is used to preheat the air for the store's HVACR system.
B) It flows directly to the condenser.
C) It is used to cool the air in the store's HVACR system.
D) It flows to the heat-reclaim coil and condenser.
A
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Which of the following is true of making a proper stop?
A. You should slightly taper down the molten weld pool by flashing the torch off. B. Flashing the torch off prevents the molten weld pool from solidifying. C. If the flame is removed too late from the molten weld pool, it will rapidly oxidize. D. Pockets of oxides add strength to the weld.
Early snowfall that arrives before the cold winter weather has frozen the soil generally increases the penetration of water into the soil
Indicate whether the statement is true or false
The average demand for an item is 1000 per month. The mean absolute deviation of monthly demand is 300 units. The MAD for yearly sales will be approximately:
A) 12,000 units. B) 3464 units. C) 3600 units. D) 1040 units. E) none of the above
__________ is the force that moves the electrons in the circuit.
Fill in the blank(s) with the appropriate word(s).