A house has 3,450 sq ft of floor space and is divided into 3 heating/cooling zones. The first zone, the upstairs, has 1,122 sq ft. The main living area is the second zone covering 1,525 sq ft of space. The third zone is the basement where the recreation room, laundry, half bath, and home shop are located. How much floor space is included in the third zone in square feet?
Fill in the blank(s) with the appropriate word(s).
803
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Answer the following statement(s) true (T) or false (F)
1. Large motors should be connected directly across the line on startup. 2. In the event of a power failure, a manual starter motor automatically restarts when the power returns. 3. Common applications of automatic starters provide control of small machine tools, fans, pumps, oil burners, blowers, and unit heaters. 4. When an overload relay trips, the starter mechanism unlatches, opening the contacts to stop the motor. 5. Only one overload relay is required in either the single-pole or double-pole motor starter.
Evaporative cooling systems work by:
A) Evaporating refrigerant inside a component called an evaporator. B) Evaporating HFC refrigerants into the air, which reduces the temperature. C) Evaporating the heat out of the air which makes the heat disappear. D) Evaporating water, which reduces the temperature of the air.
Technician A says that air in the brake hydraulic system will cause brake fluid overheating. Technician B says air in the brake lines will cause a low brake pedal. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Why is it necessary to check the calibration of a gauge manifold periodically?
What will be an ideal response?