Geotechnical Engineering Questions and Answers – Frost Action

Geotechnical Engineering Objective Questions

This set of

1. Frost heave is defined as ___________

A) Rise of ground water surface
B) Freezing of water in soil
C) Increase in volume due to freezing
D) None of the mentioned

Answer is A)

2. If the void ratio is 40% in saturated soil, then the expansion of the soil will be __________

A) 5 %
B) 2.3 %
C) 3.6 %
D) 4 %

Answer is C)

3. What are the types of soils, that are prone to frost action?

A) Sand and Silt
B) Clay
C) None of the mentioned
D) All of the mentioned

Answer is A)

4. What is the maximum capillary tension for a tube of 0.05 mm diameter at 4°c?

A) 6.05 KN/m3
B) 0.617 KN/m3
C) 5.45 KN/m3
D) 3.00 KN/m3

Answer is A)

5. A well graded soil is said to be frost susceptible if more than _________

A) 10 % particle are smaller than 0.002 mm
B) 3 % particle are smaller than 0.002 mm
C) 3 % particle are smaller than 0.005 mm
D) 10 % particle are smaller than 0.005 mm

Answer is B)

6. The ground surface up to which water freeze is called ___________

A) Frost heave
B) Frost boil
C) Frost line
D) Ice lenses

Answer is C)

7. The temperature at which the soil freezes in the pores of the soil depend on __________

A) Pore size
B) Frost action
C) Saturation
D) Capillary tension

Answer is A)

8. Silt soils are more susceptible to frost action than __________

A) Sand soil and Clayey soil
B) Gravel soil
C) None of the mentioned
D) All of the mentioned

Answer is A)

9. Soil should possess___________for the formation of ice lens.

A) Low moisture content
B) High porosity
C) High capillarity
D) All of the mentioned

Answer is C)

10. Which of the following is an effect of frost boils?

A) Formation of pot holes
B) Increased frost depth
C) Formation of capillary saturation
D) All of the mentioned

... Answer is A)