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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 7
21.
Multiple threads are used to secure
low efficiency
high efficiency
high load lifting capacity
high mechanical advantage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The fatigue limit of a material is greatly decreased by poor surface conditions.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The value of Lewis form factor used in design of gears is
dependent on number of teeth of a gear
dependent on system of teeth
independent of size of teeth
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The maximum bending stress in a curved beam having symmetrical section always occur at the
centroidal axis
neutral axis
inside fibre
outside fibre
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
In radial bearings, the load acts __________ to the axis of rotation.
parallel
perpendicular
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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