STRENGTH OF MATERIAL OBJECTIVE QUESTIONS
1. When a bar of length l , width b and thickness t is subjected to push then
a. length width and thickness increases
b. length increases, width and thickness decreases
c. length, width and thickness decreases
d. length decreases width and thickness increases
2. The volumetric strain is the ratio of
a. original thickness to change in thickness
b. change in thickness to original thickness
c. original volume to change in volume
d. change in volume to original volume
3. When a body is subjected to three mutually perpendicular stresses of equal intensity the ratio of direct stress to the corresponding volumetric strain is
a. young's modulus
b. modulus of rigidity
c. bulk modulus
d. poisson's ratio
4. When a bar is cooled it will develop
a. no stress
b. shear stress
c. tensile stress
d. compressive stress
5. If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to
a. 2C
b. 3C
c. 2C/3
d. 3C/2
6. Shear modulus is the ratio of
a. linear stress to linear strain
b. linear stress to linear strain
c. volumetric strain to linear strain
d. shear stress to shear strain
7. A beam extending beyond the supports is called
a. simply supported beam
b. cantilever beam
c. overhanging beam
d. fixed beam
8. A cantilever beam is one
a. fixed at both ends
b. fixed at one end free at other end
c. supported at both ends
d. continuous beam
9. The bending moment at free end of a cantilever beam is
a. zero
b. maximum
c. minimum
d. less than zero
10. The design of a thin cylinder is based upon
a. hoop stress
b. circumferntial stress
c. arithmetic mean of hoop and longitudinal stress
d. geometric mean of hoop and longitudinal stress
1. When a bar of length l , width b and thickness t is subjected to push then
a. length width and thickness increases
b. length increases, width and thickness decreases
c. length, width and thickness decreases
d. length decreases width and thickness increases
2. The volumetric strain is the ratio of
a. original thickness to change in thickness
b. change in thickness to original thickness
c. original volume to change in volume
d. change in volume to original volume
3. When a body is subjected to three mutually perpendicular stresses of equal intensity the ratio of direct stress to the corresponding volumetric strain is
a. young's modulus
b. modulus of rigidity
c. bulk modulus
d. poisson's ratio
4. When a bar is cooled it will develop
a. no stress
b. shear stress
c. tensile stress
d. compressive stress
5. If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to
a. 2C
b. 3C
c. 2C/3
d. 3C/2
6. Shear modulus is the ratio of
a. linear stress to linear strain
b. linear stress to linear strain
c. volumetric strain to linear strain
d. shear stress to shear strain
7. A beam extending beyond the supports is called
a. simply supported beam
b. cantilever beam
c. overhanging beam
d. fixed beam
8. A cantilever beam is one
a. fixed at both ends
b. fixed at one end free at other end
c. supported at both ends
d. continuous beam
9. The bending moment at free end of a cantilever beam is
a. zero
b. maximum
c. minimum
d. less than zero
10. The design of a thin cylinder is based upon
a. hoop stress
b. circumferntial stress
c. arithmetic mean of hoop and longitudinal stress
d. geometric mean of hoop and longitudinal stress
1 comment:
1. D
2. D
3. C
4. C
5. C
6. D
7. C
8. B
9. A
10. A
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