Which of the following statement is correct?
A. The distance from a point on one thread to the corresponding point on the next thread is called pitch
B. The distance which a screw thread advances axially in one rotation of the nut is called lead
C. In single start threads, lead is equal to pitch
D. All of the above
Answer: Option D
A cotter joint is used to connect two __________ rods.
A. Co-axial
B. Perpendicular
C. Parallel
D. None of these
The rated life of a bearing varies
A. Directly as load
B. Inversely as square of load
C. Inversely as cube of load
D. Inversely as fourth power of load
The bending stress in a curved beam is
A. Zero at the centroidal axis
B. Zero at the point other than centroidal axis
C. Maximum at the neutral axis
D. None of these
The centre to centre distance between two consecutive rivets in a row, is called
A. Margin
B. Pitch
C. Back pitch
D. Diagonal pitch
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