41. In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with the time at a constant load is called
(a) creeping
(b) yielding
(c) breaking
(d) plasticity
(e) none of the above.
Ans: a
42. The stress developed in a material at breaking point in extension is called
(a) breaking stress
(b) fracture stress
(c) yield point stress
(d) ultimate tensile stress
(e) proof stress.
Ans: a
43. Rupture stress is
(a) breaking stress
(b) maximum load/original cross-section¬al area 04)
(c) load at breaking point/A
(d) load at breaking point/neck area
(e) maximum stress.
Ans: d
44. The elasticity of various materials is controlled by its
(a) ultimate tensile stress
(b) proof stress
(c) stress at yield point
(d) stress at elastic limit
(e) tensile stress.
Ans: d
45. The ratio of lateral strain to the linear strain within elastic limit is known as
(a) Young's modulus
(b) bulk modulus
(c) modulus of rigidity
(d) modulus of elasticity
(e) Poisson's ratio.
Ans: e
46. The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to
(a) Young's modulus
(b) bulk modulus
(c) modulus of rigidity
(d) modulus of elasticity
(e) Poisson's ratio.
Ans: b
47. The stress at which extension of the material takes place more quickly as com¬pared to the increase in load is called
(a) elastic point of the material
(b) plastic point of the material
(c) breaking point of the material
(d) yielding point of the material
(e) ultimate point of the material.
Ans: d
48. In question 56, the internal reaction in bottom 80 cm length will be
(a) same in both cases
(b) zero in first case
(c) different in both cases
(d) data are not sufficient to determine same
(e) none of the above.
Ans: b
49. Flow stress corresponds to
(a) fluids in motion
(b) breaking point
(c) plastic deformation of solids
(d) rupture stress
(e) none of the above.
Ans: c
50. When it is indicated that a member is elastic, it means that when force is applied, it will
(a) not deform
(b) be safest
(c) stretch
(d) not stretch
(e) none of the above.
Ans: c
Read More Questions:
Strength of Materials - Mechanical Engineering MCQs Part1
Strength of Materials - Mechanical Engineering MCQs Part2
(a) creeping
(b) yielding
(c) breaking
(d) plasticity
(e) none of the above.
Ans: a
42. The stress developed in a material at breaking point in extension is called
(a) breaking stress
(b) fracture stress
(c) yield point stress
(d) ultimate tensile stress
(e) proof stress.
Ans: a
43. Rupture stress is
(a) breaking stress
(b) maximum load/original cross-section¬al area 04)
(c) load at breaking point/A
(d) load at breaking point/neck area
(e) maximum stress.
Ans: d
44. The elasticity of various materials is controlled by its
(a) ultimate tensile stress
(b) proof stress
(c) stress at yield point
(d) stress at elastic limit
(e) tensile stress.
Ans: d
45. The ratio of lateral strain to the linear strain within elastic limit is known as
(a) Young's modulus
(b) bulk modulus
(c) modulus of rigidity
(d) modulus of elasticity
(e) Poisson's ratio.
Ans: e
46. The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to
(a) Young's modulus
(b) bulk modulus
(c) modulus of rigidity
(d) modulus of elasticity
(e) Poisson's ratio.
Ans: b
47. The stress at which extension of the material takes place more quickly as com¬pared to the increase in load is called
(a) elastic point of the material
(b) plastic point of the material
(c) breaking point of the material
(d) yielding point of the material
(e) ultimate point of the material.
Ans: d
48. In question 56, the internal reaction in bottom 80 cm length will be
(a) same in both cases
(b) zero in first case
(c) different in both cases
(d) data are not sufficient to determine same
(e) none of the above.
Ans: b
49. Flow stress corresponds to
(a) fluids in motion
(b) breaking point
(c) plastic deformation of solids
(d) rupture stress
(e) none of the above.
Ans: c
50. When it is indicated that a member is elastic, it means that when force is applied, it will
(a) not deform
(b) be safest
(c) stretch
(d) not stretch
(e) none of the above.
Ans: c
Read More Questions:
Strength of Materials - Mechanical Engineering MCQs Part1
Strength of Materials - Mechanical Engineering MCQs Part2
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