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

Related Mcqs:

1. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between____________________?

   A. 10° to 30°
   B. 30° to 40°
   C. 40° to 70°
   D. 90°

2. Formation of snow occurs if the cloud temperature is________________?

   A. Just above the freezing point
   B. At the freezing point
   C. Below the freezing point
   D. None of these

3. 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

4. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided ?

   A. tension failure of the plate
   B. shear failure of the rivet
   C. shear failure of the plate
   D. crushing failure of the rivet

5. 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

6. 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

7. 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)

8. The effective length of a battened column is increased by_________________?

   A. 5%
   B. 10%
   C. 15%
   D. 20%

9. 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

10. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as__________________?

    A. zero
    B. ±0.2p
    C. ± 0.5 p
    D. ±0.7p
    where p is basic wind pressure