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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 3
1.
If a bearing is designated by the number 305, it means that the bearing is of
light series whose bore is 5 mm
light series whose bore is 25 mm
medium series whose bore is 5 mm
medium series whose bore is 25 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Tapered roller bearings can take
radial load only
axial load only
both radial and axial loads and the ratio of these being less than unity
both radial and axial loads and the ratio of these being greater than unity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In order to remove internal stresses produced by hardening the steel, the process usually adopted is
tempering
annealing
normalising
spheroidising
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A pressure vessel is said to be a thin shell, if the ratio of wall thickness to its diameter is equal to 1/10.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
A bolt of uniform strength can be developed by
keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt
keeping the core diameter smaller than the diameter of the unthreaded portion
keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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