The narrow and thin part of the file which is connected to the handle is known as Tang.
30) Which of the following parts in file is not hardened and tempered?
Answer is:
Tang
Explanation:
![Which of the following parts in file is not hardened and tempered?](https://mcqfinder.in/uploads/images/question-papers/isro-technician-b-fitter-2017-set-1/isro-technician-b-fitter-2017-set-1-id-30-e.jpg)
Related ISRO Technician-B Fitter Question Paper - 2017 (Set - 1) with Answer Key
Answer is:
70 degree & 51 degree
![The overcut teeth angle and upcut teeth angle in a double cut file are](https://mcqfinder.in/uploads/images/question-papers/isro-technician-b-fitter-2017-set-1/isro-technician-b-fitter-2017-set-1-id-31-e.jpg)
Answer is:
0.002 mm per 10 mm length
Explanation:
A try- square is a woodworking tool used for marking and measuring a square piece of wood. The square refers to the tool's primary use of measuring the accuracy of a right angle (90 degree angle); to try a surface is to check its straightness or correspondence to an adjoining surface.
Try square is used to check right angle, not to measure.
![The accuracy of a try square is about](https://mcqfinder.in/uploads/images/question-papers/isro-technician-b-fitter-2017-set-1/isro-technician-b-fitter-2017-set-1-id-32-e.jpg)
Answer is: