3. External Standards Quiz

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  • 1/43 Questions

    IP Stands for?

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About This Quiz


This quiz is designed to the candidates knowledge of the External Standards course.

3. External Standards Quiz - Quiz

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  • 2. 

    IP is a standard from which region?

    • United States

    • Europe

    • India

    • Canada

    Correct Answer
    A. Europe
    Explanation
    IP is a European Standard

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  • 3. 

    IP ratings measure protection against which of the following?

    • Solid Objects

    • Water

    • Dust

    • Short Circuiting

    • Accidental Contact

    Correct Answer(s)
    A. Solid Objects
    A. Water
    A. Dust
    A. Accidental Contact
    Explanation
    IP ratings measure the level of protection provided by an electrical enclosure against solid objects, water, dust, and accidental contact. The rating system is used to determine the suitability of an enclosure for different environments and to ensure the safety and functionality of electronic devices. The higher the IP rating, the greater the protection offered against these elements.

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  • 4. 

    In India, which is the certifying body for IP Ratings?

    Correct Answer(s)
    CPRI
    Central Power Research Institute
    Explanation
    CPRI, which stands for Central Power Research Institute, is the certifying body for IP Ratings in India.

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  • 5. 

    NEMA is a standard from which region?

    • United States

    • Europe

    • India

    • Canada

    Correct Answer
    A. United States
    Explanation
    NEMA is a North American Standard

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  • 6. 

    NEMA ratings are certified by an independent laboratory.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    NEMA ratings are self-certified by the manufacturer.

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  • 7. 

    RAL is a standard from which region?

    • United States

    • Europe

    • India

    • Canada

    Correct Answer
    A. Europe
    Explanation
    RAL is a European Standard

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  • 8. 

    The RAL Codes for Algypug's standard products are:

    • RAL 2001, RAL 9000, RAL 7035

    • RAL 2000, RAL 7002, RAL 7032

    • RAL 2000, RAL 9002, RAL 7032

    • RAL 2000, RAL 7022, RAL 7035

    Correct Answer
    A. RAL 2000, RAL 7022, RAL 7035
    Explanation
    The given answer, RAL 2000, RAL 7022, RAL 7035, matches the third set of RAL codes provided.

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  • 9. 

    RAL 2000, RAL 7022, RAL 7035 can be described as?

    • Light Grey, Dark Grey, Orange

    • Dark Grey, Orange, Light Grey

    • Orange, Light Grey, Dark Grey

    • Orange, Dark Grey, Light Grey

    Correct Answer
    A. Orange, Dark Grey, Light Grey
    Explanation
    The colors RAL 2000, RAL 7022, and RAL 7035 can be described as Orange, Dark Grey, and Light Grey respectively.

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  • 10. 

    If a customer asks for a custom colour, it is advisable to do which of the following?

    • Check with Stores/Purchasing about availability

    • Request customer to give the RAL code

    • Have the customer cross check the shade against a sample piece

    Correct Answer(s)
    A. Check with Stores/Purchasing about availability
    A. Request customer to give the RAL code
    A. Have the customer cross check the shade against a sample piece
    Explanation
    When a customer asks for a custom colour, it is advisable to check with Stores/Purchasing about availability to ensure that the desired colour can be obtained. Additionally, requesting the customer to give the RAL code is important as it is a standardized system for defining colours, which helps in accurately reproducing the desired shade. Lastly, having the customer cross check the shade against a sample piece is essential to ensure that the final product meets their expectations and matches their desired colour.

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  • 11. 

    The first digit in a IP rating indicates protection against?

    • Moisture

    • Water

    • Dust

    • Solid Objects

    Correct Answer(s)
    A. Dust
    A. Solid Objects
    Explanation
    The first digit in an IP rating indicates the level of protection against solid objects. The higher the digit, the greater the protection. In this case, the answer is Dust and Solid Objects, as these are the types of solid objects that the IP rating is indicating protection against.

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  • 12. 

    The second digit in a IP rating indicates protection against?

    • Moisture

    • Water

    • Dust

    • Solid Objects

    Correct Answer(s)
    A. Moisture
    A. Water
    Explanation
    The second digit in an IP rating indicates the level of protection against water and moisture. The IP rating system is used to classify the degree of protection provided by an electrical enclosure against various environmental factors. The second digit specifically focuses on the level of protection against water and moisture, ranging from 0 (no protection) to 9 (protection against powerful water jets or immersion). Therefore, the correct answer is Moisture, Water.

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  • 13. 

    If the first digit of an IP rating is 1, it indicates protection against solid objects of which size, and greater?

    • 30mm

    • 40mm

    • 50mm

    • 60mm

    Correct Answer
    A. 50mm
    Explanation
    An IP rating is a standard used to measure the level of protection provided by an enclosure against solid objects and liquids. The first digit of an IP rating indicates the level of protection against solid objects, with 1 indicating protection against objects larger than 50mm. Therefore, if the first digit of an IP rating is 1, it indicates protection against solid objects of 50mm size or greater.

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  • 14. 

    If the first digit of an IP rating is 2, it indicates protection against solid objects of which size, and greater?

    • 10mm

    • 12mm

    • 14mm

    • 16mm

    Correct Answer
    A. 12mm
    Explanation
    If the first digit of an IP rating is 2, it indicates protection against solid objects of size 12mm and greater. The IP rating is a standard used to classify the degree of protection provided by an enclosure against the intrusion of solid objects and liquids. The first digit of the IP rating represents the level of protection against solid objects. In this case, a rating of 2 means that the enclosure provides protection against solid objects larger than 12mm, but not completely dust-tight.

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  • 15. 

    If the first digit of an IP rating is 3, it indicates protection against solid objects of which size, and greater?

    • 2mm

    • 2.5mm

    • 3mm

    • 3.5mm

    Correct Answer
    A. 2.5mm
    Explanation
    If the first digit of an IP rating is 3, it indicates protection against solid objects of size 2.5mm and greater. The IP rating system is used to classify the level of protection provided by an enclosure against the intrusion of solid objects and liquids. The first digit of the IP rating refers to the level of protection against solid objects, with a rating of 3 indicating protection against objects larger than 2.5mm.

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  • 16. 

    If the first digit of an IP rating is 4, it indicates protection against solid objects of which size, and greater?

    • 0.5mm

    • 1mm

    • 1.5mm

    • 2mm

    Correct Answer
    A. 1mm
    Explanation
    An IP rating is a standard that indicates the level of protection provided by an enclosure against various elements, including solid objects. The first digit of an IP rating represents the level of protection against solid objects. In this case, if the first digit is 4, it indicates protection against solid objects larger than 1mm in size.

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  • 17. 

    If the first digit of an IP rating is 5, it indicates that the enclosure is dust tight

    • True

    • False

    Correct Answer
    A. False
    Explanation
    If the IP rating starts with 5, it means that the enclosure is dust protected but not dust tight.

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  • 18. 

    An IP rating starting with 6 means that it is dust tight.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    An IP rating starting with 6 indicates that the device is completely dust tight. This means that it is designed to prevent any dust particles from entering the device, ensuring its protection against dust-related damage. Therefore, the statement "An IP rating starting with 6 means that it is dust tight" is true.

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  • 19. 

    If the second digit in an IP rating is 1, it means it is protected against what?

    • Protected against sprayed water at up to a 60 degree angle

    • Protected against the short term effects of immersion

    • Protected against splashing water from all directions

    • Vertically dripping water

    • Protected against water jets

    • Protected against heavy seas and streaming water

    • Protected against submersion

    • Protected against dripping water at a 15 degree angle

    Correct Answer
    A. Vertically dripping water
  • 20. 

    If the second digit in an IP rating is 2, it means it is protected against what?

    • Protected against sprayed water at up to a 60 degree angle

    • Protected against the short term effects of immersion

    • Protected against splashing water from all directions

    • Vertically dripping water

    • Protected against water jets

    • Protected against heavy seas and streaming water

    • Protected against submersion

    • Protected against dripping water at a 15 degree angle

    Correct Answer
    A. Protected against dripping water at a 15 degree angle
    Explanation
    An IP rating is a standard used to classify the level of protection provided by an electronic device against the intrusion of solid objects and water. The second digit in an IP rating refers specifically to the level of protection against water. In this case, if the second digit is 2, it means that the device is protected against dripping water at a 15 degree angle. This indicates that the device can withstand water droplets falling at a specific angle without causing any damage or affecting its functionality.

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  • 21. 

    If the second digit in an IP rating is 3, it means it is protected against what?

    • Protected against sprayed water at up to a 60 degree angle

    • Protected against the short term effects of immersion

    • Protected against splashing water from all directions

    • Vertically dripping water

    • Protected against water jets

    • Protected against heavy seas and streaming water

    • Protected against submersion

    • Protected against dripping water at a 15 degree angle

    Correct Answer
    A. Protected against sprayed water at up to a 60 degree angle
    Explanation
    An IP rating is a standard used to classify the degree of protection provided by an enclosure against the intrusion of solid objects and water. The second digit in the IP rating indicates the level of protection against water. In this case, if the second digit is 3, it means that the device is protected against sprayed water at up to a 60 degree angle. This means that the device can withstand water being sprayed on it from various directions at a specific angle without being damaged.

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  • 22. 

    If the second digit in an IP rating is 4, it means it is protected against what?

    • Protected against sprayed water at up to a 60 degree angle

    • Protected against the short term effects of immersion

    • Protected against splashing water from all directions

    • Vertically dripping water

    • Protected against water jets

    • Protected against heavy seas and streaming water

    • Protected against submersion

    • Protected against dripping water at a 15 degree angle

    Correct Answer
    A. Protected against splashing water from all directions
    Explanation
    The correct answer is "Protected against splashing water from all directions." The IP rating system is used to classify the degree of protection provided by an enclosure against the intrusion of solid objects (first digit) and water (second digit). The second digit indicates the level of protection against water, with different numbers representing different levels of protection. In this case, a rating of 4 means that the device is protected against splashing water from all directions.

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  • 23. 

    If the second digit in an IP rating is 5, it means it is protected against what?

    • Protected against sprayed water at up to a 60 degree angle

    • Protected against the short term effects of immersion

    • Protected against splashing water from all directions

    • Vertically dripping water

    • Protected against water jets

    • Protected against heavy seas and streaming water

    • Protected against submersion

    • Protected against dripping water at a 15 degree angle

    Correct Answer
    A. Protected against water jets
    Explanation
    An IP rating is a standard that indicates the level of protection provided by an enclosure against the intrusion of solid objects and liquids. The second digit in an IP rating represents the level of protection against water. In this case, a rating of 5 means that the device is protected against water jets. This means that it can withstand water projected from a nozzle with a 6.3mm diameter, from any direction, without harmful effects.

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  • 24. 

    If the second digit in an IP rating is 6, it means it is protected against what?

    • Protected against sprayed water at up to a 60 degree angle

    • Protected against the short term effects of immersion

    • Protected against splashing water from all directions

    • Vertically dripping water

    • Protected against water jets

    • Protected against heavy seas and streaming water

    • Protected against submersion

    • Protected against dripping water at a 15 degree angle

    Correct Answer
    A. Protected against heavy seas and streaming water
  • 25. 

    If the second digit in an IP rating is 7, it means it is protected against what?

    • Protected against sprayed water at up to a 60 degree angle

    • Protected against the short term effects of immersion

    • Protected against splashing water from all directions

    • Vertically dripping water

    • Protected against water jets

    • Protected against heavy seas and streaming water

    • Protected against submersion

    • Protected against dripping water at a 15 degree angle

    Correct Answer
    A. Protected against the short term effects of immersion
  • 26. 

    If the second digit in an IP rating is 8, it means it is protected against what?

    • Protected against sprayed water at up to a 60 degree angle

    • Protected against the short term effects of immersion

    • Protected against splashing water from all directions

    • Vertically dripping water

    • Protected against water jets

    • Protected against heavy seas and streaming water

    • Protected against submersion

    • Protected against dripping water at a 15 degree angle

    Correct Answer
    A. Protected against submersion
  • 27. 

    If an enclosure is said to be rated to IP 55, it means that it is...

    • Dust protected, and protected against submersion

    • Dust tight, and protected against splashing water from all sides

    • Dust protected, and protected against splashing water from all sides

    • Dust tight, and protected against water jets

    • Dust protected, and protected against water jets

    Correct Answer
    A. Dust protected, and protected against water jets
    Explanation
    The correct answer is "Dust protected, and protected against water jets." When an enclosure is rated to IP 55, it means that it provides protection against dust ingress and is also protected against water jets from all directions. This indicates that the enclosure is designed to prevent the entry of dust particles and can withstand the force of water jets without allowing water to enter.

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  • 28. 

    If an enclosure is said to be rated to IP 67, it means that it is...

    • Dust protected, and protected against the short term effects of immersion

    • Dust tight, and protected against the short term effects of immersion

    • Dust tight, and protected against heavy seas and streaming water

    • Dust protected, and protected against heavy seas and streaming water

    Correct Answer
    A. Dust tight, and protected against the short term effects of immersion
    Explanation
    The correct answer is "Dust tight, and protected against the short term effects of immersion." This means that the enclosure is designed to prevent dust from entering and is also able to withstand temporary immersion in water without being damaged.

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  • 29. 

    A NEMA Type 4 enclosure is

    • Intended for for only outdoor use

    • Protected against windblown dust and rain

    • Splashing water

    • Hose directed water

    • Undamaged by the formation of ice on the enclosure

    Correct Answer(s)
    A. Protected against windblown dust and rain
    A. Splashing water
    A. Hose directed water
    A. Undamaged by the formation of ice on the enclosure
    Explanation
    A NEMA type 4 enclosure is for indoor and outdoor use

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  • 30. 

    If an enclosure is indicated a NEMA 4X, the ''X" indicates what?

    Correct Answer(s)
    Corrosion
    Corrosion Resistance
    Stainless Steel
    SS
    Explanation
    The "X" in NEMA 4X indicates the level of protection against corrosion. NEMA 4X enclosures are designed to be highly resistant to corrosion, making them suitable for use in harsh environments where exposure to moisture, chemicals, and other corrosive substances is a concern. The "X" signifies that the enclosure meets the highest level of corrosion resistance standards set by the National Electrical Manufacturers Association (NEMA). Stainless steel (SS) is often used in the construction of NEMA 4X enclosures due to its excellent corrosion resistance properties.

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  • 31. 

    The nearest equivalent to NEMA 4 in IP ratings is?

    • IP 54

    • IP 55

    • IP 65

    • IP 66

    Correct Answer
    A. IP 66
    Explanation
    The correct answer is IP 66. NEMA 4 is a standard that specifies the degree of protection provided by an enclosure against the ingress of solid objects, dust, water, and other environmental factors. IP (Ingress Protection) ratings are a similar international standard that also indicate the level of protection against these factors. IP 66 is the closest equivalent to NEMA 4, as it offers a high level of protection against dust and water, making it suitable for outdoor and harsh environments. IP 54, IP 55, and IP 65 have lower levels of protection and are not equivalent to NEMA 4.

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  • 32. 

    Algypug's enclosures meet which UL standard (two possible answers)?

    Correct Answer
    UL508
    508A
    508A
    508
    508
    UL508A
    UL508A
    Explanation
    Algypug's enclosures meet two UL standards: UL508 and UL508A.

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  • 33. 

    It is not possible to CE certify bare enclosures.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    CE certification cannot occur on empty enclosures, as enclosures are inactive components of a final assembly.

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  • 34. 

    Which of the following are factors affecting the quality of a powder coated finish?

    • Concentration of the pre-treatment chemicals

    • Temperature of the water baths

    • Length of time the items are kept in each bath

    • Quality of the powder used

    • Consistency of the operator in applying the powder

    • That the temperature of the oven doesn't exceed 250 degrees

    Correct Answer(s)
    A. Concentration of the pre-treatment chemicals
    A. Length of time the items are kept in each bath
    A. Quality of the powder used
    A. Consistency of the operator in applying the powder
    Explanation
    1) The temperature of the phosphating and degreasing tanks are the important, not the water baths.
    2) It is important that the temperature of the oven is consistently maintained at 220 degrees, not that it doesn't exceed 220 degrees.

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  • 35. 

    Which of the following are powder coating tests?

    • Thickness Test

    • Relief Test

    • Cross Hatch Adhesion Test

    • Salt Spray Test

    Correct Answer(s)
    A. Thickness Test
    A. Cross Hatch Adhesion Test
    A. Salt Spray Test
    Explanation
    The given answer correctly identifies the powder coating tests. The Thickness Test is used to measure the thickness of the powder coating to ensure it meets the required specifications. The Cross Hatch Adhesion Test is performed to assess the adhesion strength of the coating by making cuts in a crosshatch pattern and checking for any coating detachment. The Salt Spray Test is conducted to evaluate the corrosion resistance of the coating by exposing it to a saltwater mist environment. These tests are essential in ensuring the quality and durability of powder coatings.

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  • 36. 

    What is the number of salt spray hours a standard Algypug enclosure can undergo?

    • 250

    • 500

    • 750

    • 1000

    • 2000

    Correct Answer
    A. 500
    Explanation
    The number of salt spray hours that a standard Algypug enclosure can undergo is 500. This suggests that the enclosure has been tested and proven to withstand exposure to salt spray for a duration of 500 hours. This information is important for customers who may be considering purchasing the Algypug enclosure and need to know its durability in harsh environments.

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  • 37. 

    Depending on the customer's application, Algypug can develop special powder coating systems that cater to longer salt spray hours and different applications.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Algypug has the capability to develop special powder coating systems based on the customer's application. These systems are designed to cater to longer salt spray hours and various applications. This suggests that Algypug has the expertise and flexibility to meet the specific needs of their customers, making the statement true.

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  • 38. 

    The typical coating thickness of a standard enclosure is?

    • 60-80 microns

    • 70-90 microns

    • 80-100 microns

    • 100-120 microns

    Correct Answer
    A. 80-100 microns
    Explanation
    The typical coating thickness of a standard enclosure is 80-100 microns. This range is considered standard because it provides adequate protection against corrosion and other environmental factors. Coatings within this thickness range are able to effectively prevent moisture and other harmful substances from reaching the underlying material of the enclosure. Additionally, this thickness range allows for good adhesion and durability of the coating, ensuring its long-term effectiveness.

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  • 39. 

    The powder coated item needs to be baked at what temperature for how long?

    • 200 degrees, 15 minutes

    • 220 degrees, 15 minutes

    • 200 degrees, 20 minutes

    • 220 degrees, 20 minutes

    Correct Answer
    A. 220 degrees, 20 minutes
    Explanation
    The powder coated item needs to be baked at 220 degrees for 20 minutes. This is the correct answer because powder coating is a process in which a dry powder is applied to a surface and then heated to form a protective and decorative coating. The baking process helps the powder to melt and adhere to the surface, creating a durable finish. The temperature of 220 degrees and the duration of 20 minutes are necessary to ensure proper melting and curing of the powder coating.

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  • 40. 

    Standard sheet metal tolerances are?

    • +/- 2mm over 2 meters

    • +/- 1mm over 1 meter

    • +/- 0.5mm over 1 meter

    • +/- 2mm over 1 meter

    Correct Answer
    A. +/- 2mm over 1 meter
    Explanation
    Standard sheet metal tolerances are typically expressed as a range of acceptable deviation from the specified dimensions. In this case, the correct answer is "+/- 2mm over 1 meter". This means that the sheet metal can deviate by a maximum of 2mm in either direction (plus or minus) over a distance of 1 meter. This tolerance allows for slight variations in the manufacturing process and ensures that the final product remains within an acceptable range of dimensions.

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  • 41. 

    For an enclosure of 1800mm height, the maximum and minimum allowable dimensions are?

    • 1803.6, 1796.4

    • 1802.6, 1797.4

    • 1801.6, 1798.4

    • 1800.6, 1799,4

    Correct Answer
    A. 1803.6, 1796.4
    Explanation
    The maximum allowable dimension for the enclosure height is 1803.6mm, while the minimum allowable dimension is 1796.4mm.

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  • 42. 

    For an enclosure of 500mm in height, the maximum and minimum allowable measured heights are?

    • 502mm, 498mm

    • 500.5mm, 499.5mm

    • 501mm, 499mm

    • 503mm, 497mm

    Correct Answer
    A. 501mm, 499mm
    Explanation
    For an enclosure of 500mm in height, the maximum allowable measured height would be slightly above 500mm, which is 501mm. This allows for a small margin of error or tolerance. On the other hand, the minimum allowable measured height would be slightly below 500mm, which is 499mm. This ensures that the enclosure does not exceed the specified height limit and provides a margin of error on the lower end as well.

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  • 43. 

    For an enclosure of 700mm in height, the maximum and minimum allowable measured widths are?

    • 702mm, 698mm

    • 700.5mm, 699.5mm

    • 701mm, 699mm

    • Not possible to tell

    Correct Answer
    A. Not possible to tell
    Explanation
    The question only gave the height, but you were asked for the max/min widths. How could you tell this from the information in the question?

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  • Current Version
  • Apr 02, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 02, 2013
    Quiz Created by
    Bmerton

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