Geotechnical

In sand replacement method, sand must:

• Pass through 1mm and retain on 300micron sieve

• Pass through 2.36mm and retain on 1mm sieve

• Pass through 1mm and retain on 600micron sieve

• Pass through 4.75mm and retain on 1mm sieve

Volume of calibrating cylinder in Sand replacement method is:

• 200cc

• 500cc

• 1000cc

• 2000cc

Which of the following is not an engineering property of soil?

• Compressibility

• Permeability

• Particle Size

• Shear Strength

Final velocity attained by a particle settling in a fluid is called,

• End velocity

• Constant velocity

• Terminal Velocity

• Tertiary Velocity

Identify the missing Sieve size : 2.36 mm, 1 mm, 600 micron,..........,212 micron, 150 micron, 75 micron

• 300 micron

• 400 micron

• 425 micron

• 450 micron

For preparation of dispersing agent 33g of .............. is added

• Potassium hexameta phospahte

• Sodium carbonate

• Sodium hexameta phosphate

• Potassium cyanide

Hydrometer is used for measuring:

• Water content

• Specific gravity of solids

• Specific gravity of liquids

• Vapour pressure

According to Stokes law, velocity of a falling sphere in a liquid is:

• Inversely proportional to D²

• Directly proportional to D²

• Inversely proportional to D³

• Directly proportional to D³

If the reading on the scale of hydrometer is 1.015, the hydrometer reading is

• 85

• 15

• 1000

• 1.015

• 89

• 13

• 78

• 87