If for a trapezoidal thread, angle of thread is 15’ then what will be the replacement of the coefficient of friction which is 0.15.
A. 0.1553
B. 0.1335
C. 0.1667
D. 0.1776
Answer:A
If for a trapezoidal thread, angle of thread is 15’ then what will be the replacement of the coefficient of friction which is 0.15.
A. 0.1553 B. 0.1335 C. 0.1667 D. 0.1776