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Question

Two extreme permissible sizes of a part, between which actual size should lie is called _____

This question was previously asked in
RRB ALP 2018 CBT 2 Fitter Question Paper (21-Jan-2019) (Shift 3)
The correct answer is
Limit of size

Limit of Size Definition

The question asks for the term that defines the two extreme permissible sizes (maximum and minimum) for a part. The actual size must fall within these specified boundaries for the part to be acceptable.

Engineering Dimensioning Terms

  • Limit of size: The maximum and minimum allowable dimensions for a part. The actual size must be between these two values, inclusive.
  • Tolerance: The difference between the maximum and minimum limits of size (\( \text{Tolerance} = \text{Max Limit} - \text{Min Limit} \)). It represents the permissible variation allowed.
  • Nominal size: The general, basic size used for designation or identification (e.g., a 10 mm diameter hole).
  • Fit: Describes the relationship (clearance or interference) between two mating parts, like a shaft and a hole.

Therefore, the two extreme permissible sizes are defined as the Limit of size.

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Similar Questions

  1. The difference between the maximum limit of size and minimum limit of size in assembling a product is known as:

  2. The number of fundamental tolerance in the Indian Standard System are:

  3. In an assembly, Hole size is smaller than shaft size then this type of fit is known as ______

  4. When two mating parts are sometimes, an interference fit and sometimes a clearance fit is known as _____

  5. The measured size of the dimension of a component is called ______ size.

  6. The tolerance limit is 50.3 ± 0.05 mm.

    What is this shown?

  7. When tolerance is given on both sides of the basic dimension, it is called:

  8. When tolerance is given on one side of the basic dimension, it is called:
  9. The measured size of the dimension of a component is called:
  10. Which type of fit is used when a small amount of clearance or interference is permissible?

Important Questions from Limits and Fits

  1. Which one of the following dimensions shows the largest tolerance?

  2. In mass production, parts made to definite limit of error is called as ______

  3. In a hole basis system, the lower deviation for the hole ‘H’ is

  4. Name the fit, in which the shaft is cooled below the room temperature until it fits into the hole, then assembly is allowed to attain room temperature.

  5. The type of fit in which the female part is fitted when male part is in hot condition is called _____

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