A basic shaft is one whose Upper deviation is zero

Upper Deviation: It is the algebraic difference between the maximum size and the basic size. The upper deviation of a hole is represented by a symbol ES and of a shaft, it is represented by es.

Lower Deviation: It is the algebraic difference between the minimum size and the basic size.

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**176) **A basic shaft is one whose

**Answer is:**

## upper deviation is zero

**Explanation:**

**Related Workshop Technology MCQ with Answers**

**Answer is:**

### lower deviation is zero

**Explanation:**

A basic hole is one whose Lower deviation is zero **Upper Deviation:** It is the algebraic difference between the maximum size and the basic size. The upper deviation of a hole is represented by a symbol ES and of a shaft, it is represented by es. **Lower Deviation:** It is the algebraic difference between the minimum size and the basic size.