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Chisel Short Question for ISRO and DMRC

CHISEL

   ISRO, DMRC MAY PUCHE JANE WALA QUESTION 
        100% EXAM MAY ANE WALA HAY 

Chisels are used for removing excess metal . Commonly chisels are five types _ 1) Flat Chisel
                   2) Cross cut Chisel
                  3) Half round Chisel 
                  4) Diamond point Chisel
                 5) Web Chisel

1 . Chisel is made from – High carbon steel or chrome vanadium steel .

2 . What is the other name of cross cut chisel – Cape chisel .


3. Cape / cross cut chisel is used for – cutting key ways , grooves .


4 . Dimond point chisel is used for – The corner .


5. Which chisel is used for separating metals after chain drilling – web / punching chisel . 


6 . What is the length of chisel – 100 mm to 200 mm .

7. The correct point cutting angle of the chisel depends – on the 

material to be chiped .

8 . What is the rake angle of chisel ?

Ans : Rake angle is the angle between the top face of the cutting point and normal 90° to the work surface at cutting edge.



 9 . What is the clearance angle ?

Ans : Clearance angle is the angle between bottom face of the point and the tangent to the work surface 

10 . How to work crowning – It is allow the chisel to move freely.

11 . The size of chisel is specified - by the width of the blade, type and the purpose for which it is used .

12 .  What is the cutting angle for a diamond point chisel ? Ans : 60°

13 . The body of a flat chisel is usually made in the shape of – Octagonal .

14 . Which chisel is used for cutting Curved / oil grooved – Half round chisel .


 ***MATERIAL to be cut and there Point angle and Angle of inclination



 



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