Question

Question 1

1. Stress is defined as

   	1.	Force x Area
   	2.	Force - Area
   	3.	Force + Area
   	4.	Force/Area

10 points

Question 2

1. Stress value below the earth surface depends on:

   	1.	Density of soil particles
   	2.	Depth of the point at consideration
   	3.	Both 1 and 2
   	4.	None of the answers

10 points

Question 3

1. Neutral Stress results from:

   	1.	Soil particles
   	2.	Seismic activity
   	3.	Both water and soil
   	4.	Water table

10 points

Question 4

1. In a soil with lateral stress coefficient K = 0.9, a vertical stress of 1000 psf is applied, the horizontal stress is:

   	1.	Not known
   	2.	1000 psf
   	3.	100 psf
   	4.	900 psf

10 points

Question 5

1. Stresses in deeper layers of soil are:

   	1.	Applied on building footprint area
   	2.	Applied on a larger area than the building footprint
   	3.	Can't be calculated
   	4.	Applied on a smaller area than building footprint

10 points

Question 6

1. For a point 6 ft below the soil surface, what is the stress in psf, given that the soil density is 120 pcf

   	1.	120 psf
   	2.	6 pcf
   	3.	620 pcf
   	4.	720 psf

10 points

Question 7

1. The angle at which the soil tend to rest when left unsupported on the ground is called:

   	1.	Angle of repose
   	2.	Angle of internal friction
   	3.	Both 1 and 2
   	4.	None of the answers

10 points

Question 8

1. In clay soil, the shear strength is a result of:

   	1.	Cohesion coefficient
   	2.	Confinement of soil
   	3.	Both 1 and 2
   	4.	Bearing capacity

10 points

Question 9

1. In a given soil, cohesion coefficient C is 200 psf, the angle of internal friction is 30, and a compressive stress of 1000 psf is applied, shear strength will be

   	1.	Unknown
   	2.	777 psf
   	3.	200 psf
   	4.	500 psf

10 points

Question 10

1. Vane shear strength test is applied for:

   	1.	A soft clay layer with 10 ft depth
   	2.	soft clay layers with no depth limitation
   	3.	gravel layers
   	4.	Any soil

Answer 1