The mechanism method of plastic analysis satisfies___________________?

Related Mcqs:

1. 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

2. The mechanism method and the statical method give__________________?

   A. lower and upper bounds respectively on the strength of structure
   B. upper and lower bounds respectively on the strength of structure
   C. lower bound on the strength of structure
   D. upper bound on the strength of structure

3. 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

4. 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

5. 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

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. In the virtual work method, the virtual quantity is_________________?

   A. displacement
   B. load
   C. slope
   D. moment

9. For a standard 45° fillet, the ratio of size of fillet to throat thickness is_______________?

   A. 1:1
   B. 1 : V2
   C. V2 : 1
   D. 2: 1

10. Shape factor is a property which depends________________?

    A. only on the ultimate stress of the material
    B. only on the yield stress of the material
    C. only on the geometry of the section
    D. both on the yield stress and ultimate stress of material