Document 7745105

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Transcript Document 7745105

SIVA

Rules

There are three guaranteed levels at $1,000, $100,000 and $1,000,000. A wrong answer at any other level will take you down to the previously guaranteed level.

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

One of the following can exceed 100%.

a) Porosity

b) Water content

c) Relative density d) Degree of saturation

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200

$100

One cubic metre of dry sands may weigh about

a) 1500 kg b) 1.5 tonne c) 16 kN

d) any of the above

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300

$200

$100

D 10 is the greatest in

a) sands

b) gravels

c) silts d) clays

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400

$300

$200 $100

Silts are

a) cohesive b) coarse grained soils c) plastic

d) none of the above

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500

$400

$300 $200 $100

At liquidity index of zero, the clay is

a) b)

c)

d) dry at liquid limit

at plastic limit

none of the above

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600

$500

$400 $300 $200 $100

Which of the following terms is not used with sands?

a) b) c)

d)

D 10 relative density well graded

activity

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700

$600

$500 $400 $300 $200 $100

Which of the following symbols is not possible in AS1726?

a) b)

c)

d) GM SP

CM

MH

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800

$700

$600 $500 $400 $300 $200 $100

Which of the following symbols is not possible in AS1726?

a) b) c)

d)

GW-GC SP-SM SW-SM

SP-GP

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900

$800

$700 $600 $500 $400 $300 $200 $100

In grain size distribution, what does D 30 mean?

a) b)

c)

d) D 30 D 30 is the % finer than 30 mm is the % coarser than 30 mm

30% grains are smaller than D

30% grains are larger than D 30

30 mm

mm

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000 $1,000

$900

$800 $700 $600 $500 $400 $300 $200 $100

Which of the following is not true about Plastic limit?

a) always less than liquid limit b) generally greater for clays than for silts

c) always less than plasticity index

d) always greater than shrinkage limit

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

SIVA

You have reached the guaranteed $1,000. Proceed to the next level.

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SIVA

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Liquid limit and Plastic limit tests are carried on soil fraction passing

a)

b) c) d)

0.425 mm sieve

4.75 mm sieve 0.300 mm sieve 0.075 mm sieve

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000

$2,000 $1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Which of the following is not true about fine grained soils?

a) b)

c)

d) Grains are smaller than 0.075 mm Grains cannot be seen by naked eye

All fine grained soils are plastic

None of the above

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000

$3,000

$2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Which of the following is not true about clays?

a) b) c)

d)

Clays are plastic Grains are flaky or needle-like Grains are electrically charged

None of the above

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000

$5,000

$3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Granular soils are classified “loose” or “dense” based on

a)

b)

c) d) porosity

relative density

relative compaction dry density

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000

$10,000

$5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Which of the following is the least dominant atom in clay minerals?

a) b) c)

d)

aluminium oxygen silicon

magnesium

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000

$15,000

$10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Which of the following clay mineral has the largest cation exchange capacity?

a) kaolinite b) illite c) chlorite

d) montmorillonite

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000

$20,000

$15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Which of the following is not true for clays and silts?

a) Both are fine grained soils b) Both are predominantly silica

c) Both carry negative charge

d) Clays have greater specific surface

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000

$30,000

$20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Granular soils are generally compacted by

a) kneading b) static loads

c) vibratory loads

d) all of the the above

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000

$50,000

$30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Clays are generally compacted by

a)

b)

c) d) vibratory rollers

sheepsfoot rollers

dynamic compaction all of the the above

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000 $75,000

$50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Dynamic compaction is not very effective on

a) Mangrove clays

b) Granular soils c) Land fills d) Karst terrain with sinkhole cavities

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

You have reached the guaranteed $100,000. Proceed to the next level.

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SIVA

SIVA

26

Compaction tests on fines grained soils are carried on soil fraction passing

a) 0.425 mm sieve

b) 4.75 mm sieve

c) 0.300 mm sieve d) 0.075 mm sieve

$1,000,000

$800,000 $600,000 $400,000

$200,000 $100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

At optimum water content, which of the following is not true?

a) b) c)

d)

dry density is the maximum permeability is the minimum porosity is the minimum

strength is the maximum

$1,000,000

$800,000 $600,000

$400,000

$200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Compacting a clay wet of optimum results in

a) b)

c)

d) more flocculated clay fabric more strength

higher shrinkage

higher permeability

$1,000,000

$800,000

$600,000

$400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Capillary rise is the largest in

a) silts b) sands c) gravels

d) clays

$1,000,000 $800,000

$600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

Which one of the following is not a clay mineral?

a) b)

c)

d) Attapulgite Vermiculite

Vegemite

Halloysite

$1,000,000

$800,000 $600,000 $400,000 $200,000

$100,000

$75,000 $50,000 $30,000 $20,000 $15,000 $10,000 $5,000 $3,000 $2,000

$1,000

$900 $800 $700 $600 $500 $400 $300 $200 $100

SIVA

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