1. The cone test is useful in determining the bearing capacity of ___________
a) Cohesion less soil and Fine sand
b) Clay soil
c) None of the mentioned
d) All of the mentioned
Explanation: The cone test is considered very useful in determining the bearing capacity of pits in cohesion less soils, particularly in fine sands of varying density.
2.The cone resistance qc, for sandy silt type of soil is __________
a) 3.5
b) 6
c) 2
d) 5
Explanation: For silts, sandy silts, slightly cohesive silt sand mixture type of soil, the cone resistance q c is 2.
3. Foundations can be broadly classified under __________
a) Shallow foundation and Deep foundation
b) Pile foundation
c) None of the mentioned
d) All of the mentioned
Explanation: Foundations may be broadly classified under two heads: shallow foundations and deep foundations.
4. A foundation is said to be shallow if its depth is ________ than its width.
a) Equal to and Less than
b) Greater than
c) None of the mentioned
d) All of the mentioned
Explanation: According to Terzaghi, a foundation is shallow if its depth is equal to or less than its width. In the case of deep foundations, the depth is equal to or greater than the width
5. which of the following, is a type of shallow footing?
a) Spread footing
b) Pile foundation
c) Pier foundation
d) Well foundation
Explanation: The shallow foundations are of the following types: spread footing (or simple footing), strap footing, combined footing, and mat footing or raft footing.
6. Which of the below is the most commonly used shallow foundation?
a) Strap footing
b) Spread footing
c) Combined footing
d) Raft footing
Explanation: In spread footing, load is transmitted through an isolated column or wall to the subsoil; hence this is most common type of foundation
7. The pressure intensity beneath the footing depends upon ___________
a) Rigidity of the footing
b) Soil type
c) Condition of soil
d) All of the mentioned
Explanation: Both from observations as well as the analytical studies from elasticity, it is known that the pressure distribution beneath footing is not uniform and it depends on the rigidity of footing, the soil type, and the condition of the soil.
8. Once the pressure distribution is known ___________ in the reinforced concrete footing can be calculated.
a) Bending moment and Shear force
b) Bearing pressure
c) None of the mentioned
d) All of the mentioned
Explanation: Knowing the pressure distribution is known, the bending moment and shear force can be calculated, and the thickness of the structural member of the member can be calculated using properties of reinforced concrete.
9. In conventional design, allowable bearing capacity should be taken smaller than which of the following value?
a) Safe bearing capacity and Allowable bearing pressure
b) The pressure intensities beneath the footing
c) None of the mentioned
d) All of the mentioned
Explanation: In conventional design, the allowable bearing capacity should be taken as the smaller of the following two values: i) the safe bearing capacity based on ultimate capacity, and ii) the allowable bearing pressure on tolerable settlement.
10. In cohesive soil, the pressure distribution beneath the footing is ___________
a) Linear
b) Non linear
c) Zero
d) None of the mentioned
Explanation: When a footing rests on cohesive soil, the edge stresses may be very large, but the pressure distribution may be considered to be linear.