1. What will be the minimum value of total static lateral base shear for a hospital id SDS = 0.15g?
a) .0079gw
b) .0089gw
c) .0099gw
d) .0109gw
Explanation: Vmin. = 0.044SDS IW hospitals have an importance factor of 1.5.
2. What will be Vmax if the minimum value of total static lateral base shear for a hospital id SDS = 0.15g and the hospital is made up of structural steel frames?
a) .01813gw
b) .02813gw
c) .03813gw
d) .04813gw
Explanation: Vmax = SDSW/(R/I), and value of R foe structural steel frames is approximately 8.
3. Minimum value of total static lateral base shear for a hospital id SDS = 0.15g and the hospital is made up of structural steel frames. Calculate the value of V if T = 1.676.
a) .01678gw
b) .02678gw
c) .03678gw
d) .04678gw
Explanation: V = SDSW/(TR/I) Also, we can see that Vmax > V > Vmin in this case. Otherwise, we will have to modify the value of V to one of the boundary limits.
4. How many constraints are there in a fixed support?
a) 2
b) 3
c) 6
d) Can’t say
Explanation: It is not mentioned in the question that whether the fixed support is used in planar system (3 constraints) or in 3D system (6 constraints).
5. How many constraints are there in a free-rotation support used in a planar system?
a) 1
b) 2
c) 3
d) 4
Explanation: There are 2 constraints, reaction in x and y direction. Rotation is allowed as the name implies.
6. If we use a link support in a structural system, then how many unknowns would we have?
a) 0
b) 1
c) 2
d) None of the mentioned
Explanation: There will always be only 1 unknown if link support is used and that is the force acting along the axis of the link.
7. Moment at a hinge will be:-
a) Infinity
b) Zero
c) Depends upon acting forces
d) Can’t say
Explanation: Only shear forces act in the case of hinge.
8. Concrete is:-
a) Good in compression, good in tension
b) Good in compression, weak in tension
c) Weak in compression, weak in tension
d) Weak in compression, good in tension
Explanation: Concrete consists of aggregates and they are good in carrying compression. But, during tension joint between cement and aggregate cracks resulting in inefficiency.
9. Why are steel reinforcing rods used in concrete beams:-
a) To make it carry compression
b) To make it carry tension
c) To make it carry compression as well as tension
d) None of the mentioned
Explanation: Concrete is weak in carrying tension, but is good in compression.
10. A surface structure has:-
a) Small thickness
b) Large thickness
c) Moderate thickness
d) Arbit thickness
Explanation: They support very little bending. So, to minmize I(flexural rigidity), thickness is small.