0 votes
78 views
asked in production by (215k points)
Assertion (A): For thread cutting the spindle speed selected on a lathe is very low

Reason (R): The required feed rate is low in threading operation

 

(a) Both  A and R are true and R is the correct explanation of A

(b) Both A and R are true but R is NOT the correct explanation of A

(c) A is true but R is false

(d) A is false but R is true

Please log in or register to answer this question.

Welcome to Q&A discussion forum, where you can ask questions and receive answers from other members of the community.

10.4k questions

274 answers

26 comments

15.2k users

...