Class Assignment

Q1The dimensions of a shaft and a hole are given below:

Shaft, Basic size = 60mm and given as 60 ± 0.010

Hole, Basic size = 60mm and given as 60 ± 0.005

Find out:

(a) Tolerance of shaft

(b) Tolerance of hole

(c) Maximum allowance

(d) Minimum allowance

(e) Type of fit

Q2A schematic representation of basic size and its deviations are given below. Identify them.

A schematic representation of basic size and its deviations are given below. Calculate the following in each case for a shaft of 50 mm basic size.

(a) (b) (c) (d) (e)(a) Upper deviation

(b) Lower deviation

(c) Tolerance

(d) Upper limit size

(e) Lower limit size

(f) Fundamental deviation

Q3

A schematic representation of basic size and its deviations are given below. Calculate the following in each case for both shaft and holes of 50 mm basic size.

(a) Upper deviation (b) Lower deviation (c) Tolerance

(d) Upper limit size (e) Lower limit sizeDetermine the type of fit.

Q4

(a) (b) (c) (d) (e)

HOLE

(a) Upper deviation

(b) Lower deviation

(c) Tolerance

(d) Upper limit size

(e) Lower limit size

(f) Fundamental deviation

SHAFT

(a) Upper deviation

(b) Lower deviation

(c) Tolerance

(d) Upper limit size

(e) Lower limit size

(f) Fundamental deviation

TYPE OF FIT