Foundation Engineering (2180609) MCQs

MCQs of Pile foundations

Showing 31 to 40 out of 59 Questions
31.
In which of the following rule, the value of each pile is reduced by one-sixteenth?
(a) Converse Labarre formulae
(b) Feld’s formulae
(c) Seiler-Keeney formulae
(d) All of the mentioned
Answer:

Option (b)

32.
The bearing capacity of a single pile in clay is mainly due to _________
(a) Friction
(b) Shear strength of soil
(c) Allowable load
(d) Ultimate load
Answer:

Option (a)

33.
The downward drag acting on a pile due to the movement of the surrounding is called ________
(a) Skin friction
(b) Negative skin friction
(c) Frictional force
Answer:

Option (b)

34.
The area of the pile group along the failure surface is equal to __________
(a) Perimeter × Area of cross-section
(b) Breadth × Length
(c) Perimeter × Length
(d) Perimeter/area of cross-section
Answer:

Option (c)

35.
The pile spacing of each pile is taken as __________ diameter of the pile
(a) Four
(b) Five
(c) Three
(d) Ten
Answer:

Option (c)

36.
The settlement of a group of friction piles can be computed on the assumption that ________
(a) Clay is incompressible
(b) Pile below the lower level is ignored
(c) Bearing resistance is zero
(d) None of the mentioned
Answer:

Option (a)

37.
As a rough approximation, the settlement of a group of friction piles can be computed on the assumptions that the clay contained between the top of piles is incompressible.
(a) Qup = Rf + Rp
(b) Qug = n Qup . ηg
(c) Qug = n Qup / ηg
(d) None of the mentioned
Answer:

Option (b)

38.
When the under-reamed pile has only one bulb, it is called _________
(a) Multi-under reamed pile
(b) Single-under reamed pile
(c) Unique-under reamed pile
(d) All of the mentioned
Answer:

Option (b)

39.
The diameter of the under-reamed pile is kept equal to _______ times the diameter of pile steam.
(a) 4
(b) 5
(c) 2.5
(d) 2
Answer:

Option (c)

40.
Under-reamed pile foundation is most suitable for ___________ type of condition.
(a) Seasonal moisture change
(b) Dry conditioned soil
(c) Cohesive type of soil
(d) All of the mentioned
Answer:

Option (a)

Showing 31 to 40 out of 59 Questions