Question:-
In a machine tool gear box, the smallest and largest spindles are 100 rpm and 1120 rpm respectively. If there, are 8 speed in all, the fourth speed will be
Option (A)
400 rpm
Option (B)
280 rpm
Option(C)
800 rpm
Option(D)
535 rpm
Correct Option:
(B)
question-answer-faq-8967