1000+ Diploma in Mechanical Engineering Question Paper Pdf - 1
Question: 1
The potential energy stored up in a deformed body is known as
(A) deformation energy
(B) resilience
(C) potential energy
(D) strain energy
Ans: B
resilience
Question: 2
A material which undergoes no deformations till its yield point is reached and then it flows at a constant stress is known as
(A) rigid elastic
(B) rigid plastic
(C) plasto-electric
(D) elasto-plastic
Ans: B
rigid plastic
Question: 3
Strain is
(A) change in length per unit original length
(B) result of load application on a body
(C) change in metal and direction in metal
(D) change in metal
Ans: A
change in length per unit original length
Question: 4
The point of contraflexure occurs in
(A) overhanging beams only
(B) continuous beam only
(C) cantilever beams only
(D) simply supported beams only
Ans: A
overhanging beams only
Question: 5
The phenomenon under which the strain of a material varies under constant stress is known as
(A) buchinger's effect
(B) creep
(C) hysteresis
(D) strain hardening
Ans: B
creep
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