Answer is:
Helical grooves
Explanation:
A screw thread is formed on a cylindrical surface by cutting Helical grooves on its surface.
![A screw thread is formed on a cylindrical surface by cutting :](https://mcqfinder.in/uploads/images/objective-questions/turner-set-1-screw-threads/turner-set-1-screw-threads-id-11-e.jpg)
Answer is:
Round
Explanation:
The root of ISO metric thread is Round
![The root of ISO metric thread is :](https://mcqfinder.in/uploads/images/objective-questions/turner-set-1-screw-threads/turner-set-1-screw-threads-id-12-e.jpg)
Answer is:
Saw-tooth thread
Explanation:
In Saw tooth threaded assembly sliding force acts in one direction only.
![Which one of the following thread forms is used in a threaded assembly where the sliding force acts in one direction only ?](https://mcqfinder.in/uploads/images/objective-questions/turner-set-1-screw-threads/turner-set-1-screw-threads-id-13-e.jpg)
Answer is:
55 Degree
Explanation:
B.S.F screw threads have the included angle of 55 degree.
![B.S.F. threads have the included angle of :](https://mcqfinder.in/uploads/images/objective-questions/turner-set-1-screw-threads/turner-set-1-screw-threads-id-14-e.jpg)