Mechanics and Structure

21) Euler’s formula for a mild steel long column hinged at 90th ends is not valid for slenderness ratio

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less than 80

22) Strain energy stored in a member is given

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0.5 x stress x strain x volume

23) If the depth of a beam of rectangular section is reduced to half, strain energy stored in the beam becomes

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8 times

24) For ductile materials, the most appropriate failure theory is

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maximum shear stress theory

25) A Mohr’s circle reduces to a point when the body is subjected to

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uniaxial stress only

26) Which one of the following statements about creep of metals is correct?

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Creep is time dependent deformation under stress

27) According to Tresca, yield locus is a/ an

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circle

28) The specimen in a Charpy, impact test is supported as a

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simply supported beam

29) Internal forces at every cross-section in a arch are

Discuss in Comment

normal thrust, shear force and bending moment

30) The effect of arching a beam is

Discuss in Comment

to reduce bending moment throughout

Subject Notes

→ Hydraulics → Structural Design-RCC → Irrigation Engineering → Highway Engineering → Engineering Survey → Water supply & sanitary → Soil Mechanics → Mechanics and structure → Construction Management → Building Construction → Estimating and Costing → Engineering Drawing → Building Material → Airport Engineering

Objective Box

→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

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