Soil and Foundation Engineering 5th Sem/Civil/May 2017 Diploma Paper

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Soil and Foundation Engineering 5th Semester /Civil/2517/Dec 2018 Diploma PSBTE Paper

SECTION-A

Q1. Fill in the Blanks 15×1=15

i. Soil fraction less than 2 micron is known as _______
ii. The diagram which shows the constituents of soil are called
iii. The soil sample is heated in oven at 105-110ºC for 24 hours for removing moisture
iv. The process of separating the coarser fractions of soil is called _.
v. Darcy’s equation is valid for flow only
vi. The pressure of water below water table is than the atmospheric pressure.
vii. Total settlement for double drainage is times faster than as for single drainage.
viii. In direct shear test, plane of shear failure is _ .
ix. Undisturbed samples are obtained with the help of .
x. footing is useful in reducing the differential settlement.

b) State True or False.

xi. The wind-blown dust is called loess.
xii. Liquid limit test is performed only for coarse grained soils.
xiii. Pore pressure acts equally on all the sides of soil particle.
xiv. When void ratio is reduced, the density of soil is reduced.
xv. The degree of plasticity of sand is zero.

SECTION-B

Q2. Attempt any five questions. 5×6=30

a. What is Darcy’s law? Write down its limitations.
b. Define “Degree of Saturation” and “porosity”
c. What do you understand by “settlement of soil”? Write down its types.
d. Write down the difference between “Compaction” and “Consolidation”.
e. What is effective stress? Write down its importance.
f. Discuss any two engineering works which requires compaction.
g. What do you understand by Degree of compaction?
h. Discuss the different consistency limits.
i. Discuss Deep foundations.

SECTION-C

Q3. Attempt any three questions. 3×10=30

i. What do you understand by “Permeability of soil”? Explain the various factors affecting permeability.
ii. Explain the factors affecting “Compaction”.
iii. Explain the different methods of soil exploration.
iv. Discuss in detail the importance of ‘Study of soil ‘in engineering.
v. An undisturbed sample of soil has a volume of 100 cm³ and weighs 190 g. On oven drying for 24 hours, the weight reduces to 160 g. If the specific gravity of grains is 2.68, determine the water content, void ratio and degree of saturation.

Soil & Foundation Engineering 5th Semester /Civil/2517/May’18 Diploma Paper

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Section a Soil and Foundation Engineering 5th Sem /Civil/dec 2018 Diploma Paper

Soil fraction less than 2 micron is known as _______________ . The diagram which shows the constituents of soil are called __________________ The soil sample is heated in oven at 105-110ºC for 24 hours for removing ________ moisture The process of separating the coarser fractions of soil is called ________ . Darcy’s equation is valid for __________ flow only The pressure of water below water table is ________ than the atmospheric pressure. Total settlement for double drainage is ________ times faster than as for single drainage. In direct shear test, plane of shear failure is ______________ Undisturbed samples are obtained with the help of ____________ . __________ footing is useful in reducing the differential settlement. The wind-blown dust is called loess.T/F Liquid limit test is performed only for coarse grained soils.T/F Pore pressure acts equally on all the sides of soil particle.T/F When void ratio is reduced, the density of soil is reduced.T/F The degree of plasticity of sand is zero.T/F

Soil and Foundation Engineering 5th Sem/Civil/Dec 2018 Diploma Paper Click Here

Section B :Soil and Foundation Engineering 5th Semester /Civil/dec 2018 Diploma Paper

What is Darcy’s law? Write down its limitations.

Deep foundations.

Soil and Foundation Engineering 5th Sem/Civil/DEC 2018 Diploma Paper Click Here

Soil and Foundation Engineering 5th Semester /Civil/2517/DEC’18 Diploma PSBTE Paper

Get Started https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

Section c :-Soil and Foundation Engineering 5th Semester /Civil/DEC 2018 Diploma Paper

What do you understand by “Permeability of soil”? Explain the various factors affecting permeability.

“Permeability of soil” and various factors affecting permeability.
i

Explain the factors affecting “Compaction”.

Factors affecting “Compaction”.

Explain the different methods of soil exploration.

Different methods of soil exploration.

Discuss in detail the importance of ‘Study of soil ‘in engineering.

Importance of ‘Study of soil ‘in engineering.

An undisturbed sample of soil has a volume of 100 cm³ and weighs 190 g. On oven drying for 24 hours, the weight reduces to 160 g. If the specific gravity of grains is 2.68, determine the water content, void ratio and degree of saturation.

Undisturbed sample of soil has a volume of 100 cm³ and weighs 190 g. On oven drying for 24 hours, the weight reduces to 160 g. If the specific gravity of grains is 2.68, determine the water content, void ratio and degree of saturation.

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