The ratio of plastic section modulus to elastic section modulus__________________?

Related Mcqs:

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

   A. equilibrium condition
   B. yield condition
   C. plastic moment condition
   D. mechanism condition

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. 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

4. 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

5. 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

6. 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

7. 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

8. For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?

   A. equal angles back to back
   B. unqual legged angles with long legs back to back
   C. unequal legged angles with short legs back to back
   D. both (B) or (C)

9. The slenderness ratio of a column supported throughout its length by a masonry wall is________________?

   A. zero
   B. 10
   C. 100
   D. infinity

10. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is___________________?

    A. 180
    B. 200
    C. 250
    D. 350