civil engineering by sandeep jyani sir · civil engineering by sandeep jyani sir. que.1 as per...

Civil Engineering by Sandeep Jyani Sir

Que.1 As per Indian Soil Classification system, ‘MI’ is the symbol for

a) Inorganic silt of high plasticity

b) Inorganic silt of high compressibility

c) Inorganic silt of medium plasticity

d) None of the above

SSC JE 2019 I : NEW SUBJECT STARTING SOONSSC JE 2019 I : NEW SUBJECT STARTING SOON


Que.1 As per Indian Soil Classification system, ‘MI’ is the symbol for

a) Inorganic silt of high plasticity

b) Inorganic silt of high compressibility

c) Inorganic silt of medium plasticity

d) None of the above

ENGINEERING MATHEMATICS: GATE 2020 CLASSES SYARTED TODAY !!ENGINEERING MATHEMATICS: GATE 2020 CLASSES SYARTED TODAY !!


Que.2 As per Indian Soil Classification system, the symbol for inorganic silts of high plasticity is

a) MH

b) CH

c) OH

d) OI



Que.3 As per Indian Soil Classification system, silty sand is denoted by the symbol

a) SW

b) SP

c) SM

d) SC



Que.4 In which type of soils more than half the total material by weight is larger than 75micron IS sieve size?

a) Coarse grained soil

b) Fine grained soil

c) Highly organic soil

d) Silty soils

SSC JE 2018 II : NEW SUBJECT STARTING SOONSSC JE 2018 II : NEW SUBJECT STARTING SOON


On the Basis of Division of Grain Size

BOULDER > 300mm

COBBLE 80-300mm

COARSE GRAIN

SOILS

Gravel (4.75mm-8mm)Coarse 20-80mm

Fine 20-4.75mm

Sand (75µ-4.75mm)

Coarse 2-4.75mm

Medium 0.425-2mm

Fine 0.075-0.425mm

FINE GRAIN SOILSilt 2µ-75µ

Clay < 2µ


Que.4 In which type of soils more than half the total material by weight is larger than 75micron IS sieve size?

a) Coarse grained soil

b) Fine grained soil

c) Highly organic soil

d) Silty soils



Que.5 A hydrometer is used to measure

a) Velocity of fluids

b) Velocity of gases

c) Flow of fluids

d) Specific gravity of liquids


Que.6 The maximum size of clay particle is

a) 0.1mm

b) 0.03mm

c) 0.002mm

d) 0.0002mm



BOULDER > 300mm

COBBLE 80-300mm

COARSE GRAIN

SOILS


Fine 20-4.75mm

Sand (75µ-4.75mm)

Coarse 2-4.75mm

Medium 0.425-2mm

Fine 0.075-0.425mm


Clay < 2µ


Que.6 The maximum size of clay particle is

a) 0.1mm

b) 0.03mm

c) 0.002mm

d) 0.0002mm


Que.7 Group symbols assigned to silty sand and clayey sand are respectively

a) SS and CS

b) SM and CS

c) SM and SC

d) MS and CS


Que.8 The device used for the easy separation of dry dust of 10 to 100µm size is _____

a) Cyclone

b) Gravity settling chamber

c) Bag filter

d) Scrubber


Que.9 According to IS classification soil can be classified in to:

a) 16groups

b) 18groups

c) 3groups

d) 8groups


Que.10 The maximum size of grain of silt is about

a) 0.06mm

b) 0.2mm

c) 0.5mm

d) 1mm



Que.11 A well graded sand should have :

a) Uniformity coefficient greater than 4

b) Coefficient of curvature between 1 to 3

c) Effective size greater than 1mm

d) All of these


CLASSIFICATION ON THE BASIS OF % FINES

%fines = percentage particles less than 75µ (silt + clay)

1. When % fines < 5%

GW GP SW SP

More than 50% particles are greater than

4.75mm

More than 50% particles are greater than

4.75mm

More than 50% particles are in

between 4.75mm - 75µ

More than 50% particles are in

between 4.75mm - 75µ

1 < Cc < 3Cu > 4

Otherwise 1 < Cc < 3Cu > 6

Otherwise


%fines = percentage particles less than 75µ (silt + clay)

2. When % fines > 12%

GC GM SC SM

More than 50% particles

are greaterthan 4.75mm


are greaterthan 4.75mm


are in between

4.75mm - 75µ


are in between

4.75mm - 75µ

Ip > 7 Ip < 4 Ip > 7 Ip < 4

Clayey Gravel Silty Gravel Clayey Sandy Silty Sandy


Que.11 A well graded sand should have :

a) Uniformity coefficient greater than 4

b) Coefficient of curvature between 1 to 3

c) Effective size greater than 1mm

d) All of these


Que.12 A soil is said to be of medium size if the uniformity coefficient is

a) Less than 5

b) Between 5 and 10

c) Between 10 and 15

d) Between 15 and 20


Que.13 The coefficient of curvature for a well graded soil must be in the range

a) 0.5 – 1.0

b) 3.0 – 4.0

c) 4.0 – 5.0

d) None of these


Que.13 The coefficient of curvature for a well graded soil must be in the range

a) 0.5 – 1.0

b) 3.0 – 4.0

c) 4.0 – 5.0

d) None of these (1.0 – 3.0)


Que.14 Uniformity coefficient of well graded soil is

a) Less than 2

b) Greater than 2

c) Greater than 6

d) Greater than 15


Que.15 Which of the following soils has the uniformity coefficient of more than 10?

a) Well graded soil

b) Coarse soil

c) Uniform soil

d) Poor soil


Que.16 As per Indian Soil Classification system, the symbol for inorganic clay of high compressibility is

a) MH

b) CH

c) OH

d) OI


Que.17 Uniformity coefficient of soil is

a) Always less than 1

b) Always equal to 1

c) Equal to or less than 1

d) Equal to or greater than 1


Que.18 Which of the following shows the correct order of increasing surface areas of the given soil?

a) Clay<Silt<Sand<Colloids

b) Clay<Sand<Silt<Colloids

c) Sand<Silt<Clay<Colloids

d) Silt<Sand<Colloids<Clay


Que.19 A negative value of the group index of a soil is reported as:

a) A positive value of the same magnitude dropping the negative sign

b) Zero

c) Negative value, as GI may be negative

d) GI is reported as no existent


Que.20 Plasticity chart gives the relation between

a) Plastic limit and liquidity

b) Plastic limit and liquidity index

c) Plastic index and liquidity limit

d) Plastic index and liquidity index



Que.21 If the value of uniformity coefficient of a soil sample is nearly equal to one. The sample will be designated as -

a) Well graded soil

b) Uniformly graded soil

c) Poorly graded soil

d) None


Que.22 What is grain size of cobble soil particle?

a) 20mm to 300mm

b) 4.75mm to 20mm

c) 4.75mm to 80mm

d) 80mm to 300mm



BOULDER > 300mm

COBBLE 80-300mm

COARSE GRAIN

SOILS


Fine 20-4.75mm

Sand (75µ-4.75mm)

Coarse 2-4.75mm

Medium 0.425-2mm

Fine 0.075-0.425mm


Clay < 2µ


Que.22 What is grain size of cobble soil particle?

a) 20mm to 300mm

b) 4.75mm to 20mm

c) 4.75mm to 80mm

d) 80mm to 300mm


Que.23 What is minimum size of silt soil particle?

a) 0.002mm

b) 0.04mm

c) 0.06mm

d) 0.006mm


Que.24 A soil having particles of approximately the same size is known as

a) Well graded

b) Poorly graded

c) Uniformly graded

d) Gap graded


Que.25 The soil having highest optimum moisture content is

a) GW

b) SW

c) CL

d) ML


Que.26 According to IS classification, the range of silt size particle is :

a) 0.075mm to 0.002mm

b) 4.75mm to 2mm

c) 0.425mm to 0.075mm

d) 2mm to 0.425mm


Que.27 As per Indian Soil Classification system, the symbol for inorganic soil of low compressibility is

a) ML

b) CH

c) OH

d) OI



Que.28 Relative density of compacted dense sand is approximately equal to

a) 0.4

b) 0.6

c) 0.95

d) 1.20


Que.29 If the water content of a fully saturated soil mass is 100%, then the void ratio of the sample is

a) Less than specific gravity of soil

b) Equal to specific gravity of soil

c) Greater than specific gravity of soil

d) Independent of specific gravity of soil


Que.30 Which of the following method is most accurate for the determination of the water content of soil?

a) Oven drying method

b) Sand bath method

c) Calcium carbide method

d) Pycnometer method


Que.31 Toughness index is the ratio of

a) Plasticity index to consistency index

b) Plasticity index to flow index

c) Liquidity index to flow index

d) Consistency index to liquidity index


Que.32 Sensitivity of a soil can be defined as

a) Percentage of volume change of soil under saturated condition

b) Ratio of compressive strength of unconfined undisturbed soil to that of soil in remoulded state

c) Ratio of volume of voids to volume of solids

d) None


Que.33 Water content of a soil sample is the difference of the weight of given sample at the given temperature and the weight determined after drying it for 24hours at temperature ranging from

a) 80 to 90 degree Celsius

b) 90 to 95 degree Celsius

c) 103 to 105 degree Celsius

d) 105 to 110 degree Celsius


1.Oven Drying method

• 105-110 ℃ (inorganic)• 60℃ (organic)• 24 hours

Methods of determination of Water content (𝒘)


Que.33 Water content of a soil sample is the difference of the weight of given sample at the given temperature and the weight determined after drying it for 24hours at temperature ranging from

a) 80 to 90 degree Celsius

b) 90 to 95 degree Celsius

c) 103 to 105 degree Celsius

d) 105 to 110 degree Celsius


Que.34 To determine the water content of a soil sample containing coarse grains, the method used will be

a) Pycnometer

b) Oven drying

c) Sand bath

d) Alcohol method


2. Pycnometer Method


𝒘𝟏𝑬𝒎𝒑𝒕𝒚

𝑷𝒚𝒄𝒏𝒐𝒎𝒆𝒕𝒆𝒓

𝒘𝟐𝑷𝒚𝒄𝒏𝒐𝒎𝒆𝒕𝒆𝒓+𝑾𝒆𝒕 𝑺𝒐𝒊𝒍

𝒘𝟑𝑷𝒚𝒄𝒏𝒐𝒎𝒆𝒕𝒆𝒓 +𝑾𝒆𝒕 𝑺𝒐𝒊𝒍 + 𝒘𝒂𝒕𝒆𝒓

𝒘𝟒𝑷𝒚𝒄𝒏𝒐𝒎𝒆𝒕𝒆𝒓 +

𝒘𝒂𝒕𝒆𝒓


2. Pycnometer Method



Que.34 To determine the water content of a soil sample containing coarse grains, the method used will be

a) Pycnometer

b) Oven drying

c) Sand bath

d) Alcohol method


Que.35 ‘Drift’ is the material picked up, mixed, disintegrated, transported and redeposited by -

a) Wind

b) Gravitational force

c) Glaciated water

d) All of these


Que.36 The density of soil can be increased by -

a) Reducing the space occupied by air

b) Elastic compression of soil grains

c) Expelling water from pores

d) All of these


Que.37 Which of the following represents the % limit of porosity of the compacted sand?

a) 5 to 15%

b) 15 to 30%

c) 30 to 40%

d) 40 to 50%


Que.38 Which of the soil posses zero plasticity index?

a) Clay

b) Clayey silt

c) Sand

d) Silty


Que.39 Which of the soil posses maximum plasticity index?

a) Clay

b) Clayey silt

c) Sand

d) Silty


Que.40 Cassagrande’s apparatus is used to determine

a) Liquid limit

b) Plastic limit

c) Shear strength

d) Shrinkage limit


Que.40 Cassagrande’s apparatus is used to determine

a) Liquid limit

b) Plastic limit

c) Shear strength

d) Shrinkage limit

Methods to find Liquid Limit

1. Casagrande Method– When Groove of 2mm is

filled with 25 No. of blows, then that water content is called Liquid limit


Que.41 What would be the void ratio of soil mass if the porosity of soil mass is 0.35?

a) 0.26

b) 0.35

c) 0.54

d) 0.63


Que.42 The liquid limit and plastic limit of the soil is given as 45% and 22% respectively. The plasticity index of the soil would be -

a) 0.2

b) 0.23

c) 0.5

d) 0.67


Que.43 Which of the following represents the measure of particle size range?

a) Slope of gradation curve of soil

b) Coefficient of uniformity

c) Fineness of soil

d) Relative index


Que.44 Which of the following apparatus is used to find liquid limit of soil?

a) Cone penetration

b) Pycnometer

c) Ring and ball apparatus

d) None


Que.44 Which of the following apparatus is used to find liquid limit of soil?

a) Cone penetration

b) Pycnometer

c) Ring and ball apparatus

d) None

2. Cone penetrometer Method• 30 sec – 25 mm

• That water content is liquid limit


Que.45 The plasticity index and plastic limit is given by 25% and 20% respectively. What will be the liquid limit of the soil?

a) 0.15

b) 0.25

c) 0.35

d) 0.45


Que.46 The moisture content in a soil sample is 18.2% and specific gravity of the soil particles is given by 2.65. What is the void ratio for sample, if the soil is fully saturated?

a) 0.157

b) 0.291

c) 0.482

d) 0.634


Que.47 Which of the following is responsible for the formation of residual soil?

a) Glaciers

b) Water

c) Wind

d) None


Que.48 Which of the following is correct?

a) The void ratio is defined as the ratio of volume of voids to the volume of solids.

b) The porosity is defined as the ratio of the volume of voids to the gross volume of soil.

c) The bulk density of a soil is defined as the unit weight of the soil

d) All options are correct


Que.49 Specific gravity of soil is

a) Same for clays and sands

b) Determined by hydrometer

c) Less than 2 for moist soils

d) More than 2.5 for moist soils


ALL THE BEST !!


civil engineering by sandeep jyani sir · civil engineering by sandeep jyani sir. que.1 as per...

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