Mechanical Engineering - Machine Design

31.
The effective stress in wire ropes during normal working is equal to the stress due to
axial load plus stress due to bending
acceleration/retardation of masses plus stress due to bending
axial load plus stress due to acceleration/retardation
bending plus stress due to acceleration/retardation
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a
short bearing
long bearing
medium bearing
square bearing
Answer: Option
Explanation:
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33.
A connecting rod should be
strong in buckling about X-axis
strong in buckling about Y-axis
equally strong in buckling about X-axis and Y-axis
any one of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be
45 to 60%
63 to 70%
70 to 83%
80 to 90%
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
When two non-parallel or intersecting but coplaner shafts are connected by gears, the arrangement is known as bevel gearing.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.