Which of the following conditions is to be satisfied both in elastic and plastic analysis ?

Related Mcqs:

1. The ratio of plastic section modulus to elastic section modulus__________________?

   A. is equal to 1
   B. is always less than 1
   C. is always greater than 1
   D. can be less than 1

2. The mechanism method of plastic analysis satisfies___________________?

   A. equilibrium and mechanism conditions
   B. equilibrium and plastic moment conditions
   C. mechanism and plastic moment conditions
   D. equilibrium condition only

3. The statical method of plastic analysis satisfies_______________?

   A. equilibrium and mechanism conditions
   B. equilibrium and plastic moment conditions
   C. mechanism and plastic moment conditions
   D. equilibrium condition only

4. As per IS:800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor________________?

   (i) Dead load 1.7
   (ii) Dead Load + imposed load 1.7
   (iii) Dead load + load due to wind or 1.3 seismic forces
   (iv) Dead load + imposed load + load 1.7

   due to wind or seismic forces Of these statements

   A. (i) and (ii) are correct
   B. (i), (ii) and (iii) are correct
   C. (ii) and (iii) are correct
   D. only (i) is correct

5. The elastic strain for steel is about_________________?

   A. 1/12 of strain at the initiation of strain hardening and about 1/120 of maxi-mum strain
   B. 1/2 of strain at the initiation of strain hardening and about 1/12 of maxi-mum strain
   C. 1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain
   D. 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain

6. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be________________?

   A. 0.55 Awfy
   B. 0.65 Awfy
   C. 0.75 Awfy
   D. 0.85 Awfy
   where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel

7. The moment-curvature relation at a plastic hinge is________________?

   A. linear
   B. parabolic
   C. constant moment for all curvatures
   D. constant curvature for all moments

8. Other conditions being same, the load factor in indeterminate structures is_______________?

   A. equal to load factor in determinate structures
   B. more than the load factor in determinate structures
   C. less than the load factor in determinate structures
   D. unpredictable

9. Which of the following types of riveted joint is free from bending stresses ?

   A. lap joint
   B. butt joint with single cover plate
   C. butt joint with double cover plates
   D. none of the above

10. Which of the following sections should preferably be used at places where torsion occurs ?

    A. angle section
    B. channel section
    C. box type section
    D. any of the above