Saturday, August 13, 2016

Air Conditioning and Heat Pumps Inspection Section#1 Air Conditioning Quiz#2

  • Question 1

    Needs Grading
    Ungraded
    How many square feet can one ton of air conditioning cool in Florida?
    Selected Answer:
    450 to 700 sqft
    Correct Answer:
    Correct 
    450 to 700 square feet
    Response Feedback:[None Given]

  • Question 2

    Needs Grading
    Ungraded
    How many square feet can one ton of air conditioning cool in Michigan?
    Selected Answer:
    700 to 1000 sqft
    Correct Answer:
    Correct 
    700 to 1000 square feet
    Response Feedback:[None Given]

  • Question 3

    Needs Grading
    Ungraded
    List nine compressor problems.
    Selected Answer:
    1. Excess noise/vibration
    2. Short cycling or running continuously
    3. Out of level
    4. Excess electric current draw
    5. Wrong fuse or breaker size
    6. electric wires too small
    7. Missing electrical shutoff
    8. Inoperative
    9. Inadequate cooling
    Correct Answer:
    Correct
    1. Excessive noise/vibration 2. Short cycling or running continuously 3. Out of level 4. Excess electric current draw 5. Wrong fuse or breaker size 6. Electric wires too small 7. Missing electrical shut off 8. Inoperative 9. Inadequate cooling
    Response Feedback:[None Given]

  • Question 4

    Needs Grading
    Ungraded
    List ten items that affect the amount of air conditioning needed in a home.
    Selected Answer:
    1. The outdoor temperature
    2. The outdoor humidity
    3. The level of insulation in the house
    4. The amount of air leakage in the house
    5. The amount of southern, eastandwest facing glass
    6. Whether this glass is single, double or triple glazed
    7. Whether the glass is a low emissivity glass or gas-filled
    8. Whether window treatments are kept closed or open. 
    9. The amount of shading from trees, roof overhang, awnings or buildings
    10. How much heat is generated in the house by the people and equipment inside. 
    Correct Answer:
    Correct
    1. Outdoor temperature 2. Outdoor humidity 3. Insulation level in the house 4. Single, double, triple pane windows 5. Whether windows are low E. 6. Whether window coverings are open 7. Amount of shading from trees 8. Roof overhang 9. Awnings or buildings nearby 10. Amount heat generated inside by people and equipment 11. Amount of east and west facing glass.
    Response Feedback:[None Given]

  • Question 5

    Needs Grading
    Ungraded
    One ton of air conditioning is equivalent to how many BTUs per hour?
    Selected Answer:
    12000BTU/Hour
    Correct Answer:
    Correct 
    12,000 BTU/hr
    Response Feedback:[None Given]

  • Question 6

    Needs Grading
    Ungraded
    What is the function of a sump or crankcase heater?
    Selected Answer:
    The function of a sump or crankcase heater is to keep the oil at the base of the compressor warm enough to boil off the refrigerant. The heater may be internal or it may be an external ring-heater wrapped around the compressor base. 
    Correct Answer:
    Correct 
    It keeps the oil at the base of the compressor warm enough to boil off the refrigerant.
    Response Feedback:[None Given]

  • Question 7

    Needs Grading
    Ungraded
    What kind of temperature drop would you expect to find in the house air as it passes over the evaporator coil?
    Selected Answer:
    15F to 20F
    Correct Answer:
    Correct 
    15 to 20°F
    Response Feedback:[None Given]

  • Question 8

    0 out of 0 points
    Correct
    A compressor can be thought of as a pump.
    Selected Answer:
    Correct True
    Answers:
    Correct True
    False
    Response Feedback:
    Well done!!

  • Question 9

    0 out of 0 points
    Correct
    An undersized air conditioner is better than an oversized one.
    Selected Answer:
    Correct True
    Answers:
    Correct True
    False
    Response Feedback:
    Well done!!

  • Question 10

    0 out of 0 points
    Correct
    Compressors are typically located indoors on an air-to-air split system air conditioning system.
    Selected Answer:
    Correct False
    Answers:
    True
    Correct False
    Response Feedback:
    Well done!!

  • Question 11

    0 out of 0 points
    Correct
    Oversized distribution ductwork is a common problem with central air conditioning.
    Selected Answer:
    Correct False
    Answers:
    True
    Correct False
    Response Feedback:
    Well done!!

  • Question 12

    0 out of 0 points
    Correct
    The typical temperature drop from outdoors to indoors with a properly operating air conditioning system would be about 15°F.
    Selected Answer:
    Correct True
    Answers:
    Correct True
    False
    Response Feedback:
    Well done!!
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