Crowning on pulleys helps__________________?
A. in increasing velocity ratio
B. in decreasing the slip of the belt
C. for automatic adjustment of belt posi-tion so that belt runs centrally
D. increase belt and pulley life
E. none of the above
A. in increasing velocity ratio
B. in decreasing the slip of the belt
C. for automatic adjustment of belt posi-tion so that belt runs centrally
D. increase belt and pulley life
E. none of the above
A. right side pivot of this link
B. lift side pivot of this link
C. a point obtained by intersection on extending adjoining links
D. can’t occur
E. none of the above
A. natural frequency of vibration
B. position of balancing weights
C. moment of inertia
D. centripetal acceleration’
E. angular acceleration of a body
A. piston, piston rings and gudgeon
B. piston, and piston rod
C. piston rod and cross head
D. piston, crank and crank shaft
E. piston, piston-rod and cross head
A. Ipocf
B. Ipocf
C. Ip oc j
D. Ipoc-
E. none of the above
A. inner dead centre
B. outer dead centre
C. right angles to the link of the stroke
D. at 45° to the line of the stroke
E. all of the above
A. P = 2L-4
B. P = 2L + 4
C. P = 2L+2
D. P = 2L-2
E. P = L-4