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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 2
11.
The rolling contact bearings as compared to sliding contact bearings have
small overall dimensions
accuracy of shaft alignment
low starting and low running friction except at very high speeds
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The maximum normal stress theory is used for
brittle materials
ductile materials
plastic materials
non-ferrous materials
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
When two non-intersecting and non-coplaner shafts are connected by gears, the arrangement is known as
spur gearing
helical gearing
bevel gearing
spiral gearing
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
When a nut is tightened by placing a washer below it, the bolt will be subjected to
tensile stress
compressive stress
shear stress
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
A locking device extensively used in marine type connecting rod ends is a
jam nut
castle nut
sawn nut
ring nut
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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