Iha Education August 2010 Webinar - Green.Tek

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| By Jofa7999
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Jofa7999
Community Contributor
Quizzes Created: 28 | Total Attempts: 2,685
Questions: 10 | Attempts: 121

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Webinar Quizzes & Trivia

This quiz was created to review the August 19th webinar presented by Green. Tek


Questions and Answers
  • 1. 

    40 feet is the ideal spacing for HAF fans.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because 40 feet is not the ideal spacing for HAF fans. The ideal spacing for HAF fans may vary depending on various factors such as the size of the area, the type of fans being used, and the specific requirements of the ventilation system. It is important to consider these factors and consult with experts to determine the appropriate spacing for HAF fans in a given situation.

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  • 2. 

    You can calculate the cubic feet of a greenhouse by multiplying the length by the width.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false because calculating the cubic feet of a greenhouse requires multiplying the length, width, and height. The height of the greenhouse is a crucial factor in determining the volume or cubic feet, as it represents the third dimension. Therefore, simply multiplying the length and width would not provide an accurate measurement of the greenhouse's volume.

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  • 3. 

    A belt drive fan the most efficient.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A belt drive fan is the most efficient because it allows for a smooth transfer of power from the motor to the fan blades. The belt absorbs any vibrations or shocks, resulting in less energy loss and noise. Additionally, belt drive systems can be easily adjusted to achieve the desired fan speed, making them more versatile and efficient compared to other types of fan drives.

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  • 4. 

    Two air changes per minute are required for summer ventilation.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    False. Two air changes per minute are not required for summer ventilation. The specific air change rate needed for ventilation depends on various factors such as the size of the space, occupancy level, and specific ventilation requirements. Therefore, it is not accurate to state that two air changes per minute are universally required for summer ventilation.

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  • 5. 

    The advantage of natural ventilation is its low operating cost.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Natural ventilation refers to the process of using natural forces, such as wind and temperature differences, to circulate air within a building. One of the major advantages of natural ventilation is its low operating cost. Unlike mechanical ventilation systems that require energy to operate, natural ventilation relies on natural forces, thus reducing energy consumption and associated costs. Therefore, the statement is true.

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  • 6. 

    The disadvantage of natural ventilation is the inability to control temperature and air change.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Natural ventilation refers to the process of using natural forces, such as wind and temperature differences, to provide fresh air and remove stale air from a space. While natural ventilation has several advantages, such as reduced energy consumption and improved indoor air quality, one major disadvantage is the lack of control over temperature and air change. Unlike mechanical ventilation systems, which allow for precise control of these factors, natural ventilation relies on external conditions and cannot be adjusted as needed. Therefore, the statement that the disadvantage of natural ventilation is the inability to control temperature and air change is true.

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  • 7. 

    The advantage of power ventilation is the ability to control temperature and humidity.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Power ventilation refers to the use of mechanical fans or systems to circulate air and remove stale air from a space. One of the main advantages of power ventilation is its ability to control temperature and humidity levels. By constantly exchanging air, power ventilation helps to regulate the temperature and reduce humidity, creating a more comfortable and healthier indoor environment. This can be particularly beneficial in areas with high humidity or during hot seasons, as it helps to prevent the growth of mold and mildew and improve overall air quality. Therefore, the statement is true.

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  • 8. 

    The 72" fiberglsaa fan moves 57,000 cfm @ 0.5 sp.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The given statement is true because it states that the 72" fiberglass fan moves 57,000 cfm (cubic feet per minute) at 0.5 sp (static pressure). This means that the fan has a high capacity to move a large volume of air at a moderate level of resistance or pressure.

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  • 9. 

    A VFD cannot be used to stage the volume of air moved by a 72" fiberglass exhaust fan.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    A VFD (Variable Frequency Drive) can be used to stage the volume of air moved by a 72" fiberglass exhaust fan. VFDs are commonly used to control the speed of motors, including those in fans, pumps, and other equipment. By adjusting the frequency of the electrical power supplied to the motor, a VFD can control the rotational speed of the fan blades, thus allowing for the staging of the volume of air moved. Therefore, the statement that a VFD cannot be used to stage the volume of air moved by a 72" fiberglass exhaust fan is false.

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  • 10. 

    You can purchase all your ventilation products from Green.Tek.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The given statement suggests that Green.Tek offers all types of ventilation products for purchase. Therefore, the correct answer is "True."

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