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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 6
41.
A turn buckle is used to connect two round rods subjected to tensile loading and requiring subsequent adjustment for tightening or loosening.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The plasticity is the property of a material which enables it to
regain its original shape after deformation when the external forces are removed
draw into wires by the application of a tensile force
resist fracture due to high impact loads
retain deformation produced under load permanently
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load W. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.
one-eighth
one-fourth
one-half
double
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the
initial tension
external load applied
sum of the initial tension and external load applied
initial tension or external load, whichever is greater
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
During hot working of metals,
porosity of the metal is largely eliminated
grain structure of the metal is refined
mechanical properties are improved due of refinement of grains
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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