Design Of Steel Structures(Civil Engineering ) Questions and Answers
Question 1. Rivets connecting flange angles to cover plates in a plate girder are subjected to
Horizontal shear only
Vertical load only
Both (A) and (B)
None of the above
Explanation:-
Answer: Option A. -> Horizontal shear only
Question 2. When the axis of load lies in the plane of rivet group, then the rivets are subjected to
Only shear stresses
Only tensile stresses
Both (A) and (B)
None of the above
Explanation:-
Answer: Option A. -> Only shear stresses
Question 3. The number of seismic zones in which the country has been divided are
3
5
6
7
Explanation:-
Answer: Option B. -> 5
Question 4. Hudson’s formula gives the dead weight of a truss bridge as a function of
Bottom chord area
Top chord area
Effective span of bridge
Heaviest axle load of engine
Explanation:-
Answer: Option A. -> Bottom chord area
Question 5. Maximum pitch of rivets, used in steel stacks, is limited to (where t is thickness of thinner plate being connected)
6t
10t
12t
16t
Explanation:-
Answer: Option B. -> 10t
Question 6. The internal pressure coefficient on walls for buildings with large permeability is taken as
±0.2
±0.5
±0.7
0
Explanation:-
Answer: Option C. -> ±0.7
Question 7. The relation between intensity of wind pressure P and velocity of wind V is taken as
$${\text{P}} \propto {\text{V}}$$
$${\text{P}} \propto {{\text{V}}^2}$$
$${\text{P}} \propto \frac{1}{{\text{V}}}$$
$${\text{P}} \propto {{\text{V}}^{\frac{1}{2}}}$$
Explanation:-
Answer: Option B. -> $${\text{P}} \propto {{\text{V}}^2}$$
Question 8. The sway bracing is designed to transfer
20% of the top panel wind load to bottom bracing
10% of the top panel wind load to bottom bracing
25% of the top panel wind load to bottom bracing
50% of the top panel wind load to bottom bracing
Explanation:-
Answer: Option D. -> 50% of the top panel wind load to bottom bracing
Question 9. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (where p is basic wind pressure)
Zero
±0.2p
±0.5p
±0.7p
Explanation:-
Answer: Option B. -> ±0.2p
Question 10. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be
