The best arrangement to provide unified behaviour in built up steel columns is by______________?

Related Mcqs:

1. The bracing between two columns of a steel tank will be designed to resist_________________?

   A. horizontal shear due to wind or earthquake only
   B. horizontal, shear due to wind or earthquake + 2.5% of column loads
   C. column loads + 2.5% of horizontal shear due to wind or earthquake
   D. column loads + full horizontal shear due to wind or earthquake

2. The allowable tensile stress in structural mild steel plates for steel tank is assumed as________________?

   A. 95.0 MPa on net area
   B. 105.5 MPa on net area
   C. 105.5 MPa on gross area
   D. 150.0 MPa on gross area

3. The use of tie plates in laced columns is_________________?

   A. prohibited
   B. not prohibited
   C. permitted at start and end of lacing system only
   D. permitted between two parts of the lacing

4. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is________________?

   A. 150
   B. 180
   C. 250
   D. 350

5. A steel beam supporting loads from the floor slab as well as from wall is termed as________________?

   A. stringer beam
   B. lintel beam
   C. spandrel beam
   D. header beam

6. The allowable shear stress in the web of mild steel beams decreases with__________________?

   A. decrease in h/t ratio
   B. increase in h/t ratio
   C. decrease in thickness
   D. increase in height
   where ‘h’ is height and t is thickness

7. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be___________________?

   A. 4.5 mm
   B. 6 mm
   C. 8 mm
   D. 10 mm

8. 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

9. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as_________________?

   A. 0
   B. 0.5
   C. between 0.5 and 1.0
   D. 1.0

10. The diameter of base of conical flare of a steel stack is_____________________?

    A. less than d
    B. equal to d
    C. more than d
    D. any of the above

    where d is the diameter of the cylindrical part