1. Computer AidedMachine Drawing
Question Bank
1. What is an unilateral tolerance and what is a bilateral tolerance?
2. Differentiate between hole basis system and shaft basis system.
3. A schematic representation of basic size and its deviations are given in Fig. Calculate the
following in each case for a shaft of 50 mm basic size:
(a) Upper deviation (b) Lower deviation (c) Tolerance
(d) Upper limit size (e) Lower limit size
4. A schematic representation of basic size and its deviations are given in Fig. Identify them.
5. What are the different methods used for placing limit dimensions?
6. What is meant by the term “fit” and how are fits classified?
7. Differentiate between clearance fit and transition fit.
8. List classification of Pulleys, Valves and IC Engine Parts
9. What is a jig and fixture? What are the applications of jigs and fixtures ?
10 Explain Concept of Reverse Engineering.
Attendance in% No.of Questions
61-74 Any 05
51- 60 Any 07
0-50 All
