Multiple Choice Question (MCQ)
Question: Which file has the parallel edges throughout the length?
A.
Hand file
B.
Bastard file
C.
Rasp cut file
D.
Single cut file
Correct Answer: Hand file
Explanation
Advantages of three jaw chuck in lathe machine are
* Work can be set with ease
* Run out cannot be corrected
* Only round and hexagonal components can be held