1. The ratio of shearing stress to shearing strain within elastic limit, is known as
Answer
Correct Answer:
Shear modulus of elasticity
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2. Choose the incorrect statement from the following:
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Correct Answer:
The diameter of a rivet hole is equal to the nominal diameter of the rivet plus 1.5 mm
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3. The maximum permissible slenderness ratio of a member carrying loads resulting from wind, is
Answer
Correct Answer:
250
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4. The rolled steel I-sections are most commonly used as beams because these provide
Answer
Correct Answer:
Large moment of inertia with less cross-sectional area
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5. The effective length of a compression member of length L held in position and restrained in direction at one end and effectively restrained in direction but not held in position at the other end, is
Answer
Correct Answer:
L
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6. For a rectangular section, the ratio of the maximum and average shear stresses, is
Answer
Correct Answer:
1.5
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7. The average shear stress for rolled steel beam section, is
Answer
Correct Answer:
945 kg/cm2
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8. Column footing is provided
Answer
Correct Answer:
To spread the column load over a larger area
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9. The distance between e.g. of compression and e.g. of tension flanges of a plate girder, is known as
Answer
Correct Answer:
Effective depth
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10. If d is the distance between the flange angles, the vertical stiffeners in plate girders are spaced not greater than
Answer
Correct Answer:
1.5 D
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11. Select the correct statement from the following:
Answer
Correct Answer:
Vertical stiffeners may be placed in pairs one on each side of the web
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12. In plastic analysis, the shape factor for circular sections, is
Answer
Correct Answer:
1.697
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13. The minimum edge distance of a rivet line connecting two or more plates, is kept equal to 37 mm plus (where t is the thickness in mm of the thinner outside plate).
Answer
Correct Answer:
4 t
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14. For determination of allowable stress in axial compression, Indian Standard Institution has adopted
Answer
Correct Answer:
Secant formula
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15. Tongue plates are provided in a steel girder at
Answer
Correct Answer:
The upper and lower ends of the web.
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16. The method of design of steel framework for greatest rigidity and economy in weight, is known as
Answer
Correct Answer:
Fully rigid design
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17. Pick the correct statement from the following:
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Correct Answer:
Dead load includes self-weight of the structure and super-imposed loads permanently attached to the structure
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18. The ratio of longitudinal stress to strain within eiastic limit, is known as
Answer
Correct Answer:
Modulus of elasticity
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19. The permissible stress in bending for rolled steel I-beams and channels, is
Answer
Correct Answer:
1650 kg/cm2
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20. Pick up the correct statement from the following:
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Correct Answer:
When the gauge distance is larger than the pitch, the failure of the section may occur in a zig-zag line
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