Pre Test in Soil

1. The weight of water adsorbed by dry soil particles in a saturated atmosphere expressed as the percentage of weight of oven-dried fine-grained soil mass is referred to as

• hygroscopic moisture content

• moisture content

• plastic limit

• liquid limit

2. The sand to be use in field density test is: any clean, dry, free flowing, uncemented passing sieve no. ________, retained sieve no. ________.

• 3/8 and 100

• 10 and 200

• 40 and 200

• 10 and 100

3.___________ is the lowest moisture content at which the soil remains plastic.

• Plastic Limit

• Liquid limit

• Plasticity Index

• Both a and c

4. In the flow curve, the liquid limit is expressed as the moisture content corresponding to ______.

• 35 blows

• 15 blows

• 25 blows

• 40 blows

5. The higher the fineness modulus the ____________is the aggregate:

• finer

• coarser

• none of the above

6. The ___________ is the difference between the liquid limit and the plastic limit.

• Plastic Limit

• Liquid Limit

• Plasticity Index

• None of the above

7. is the smallest size of sieve in which all materials are “permitted” to pass

• Maximum SIze

• Nominal Maximum Size

• Minimum Size

• Nominal Minimum Size

8. Condition of aggregate wherein it is completely dry and fully absorbent:

• Air-Dry

• Saturated Surface Dry

• Oven Dry

• None of the above

9. What is the size of sieve in which a soil sample for use in a liquid limit test is required to pass?

• a) 0.425 mm

• b) 0.300 mm

• c) 0.150 mm

• d) 0.075 mm

10. Test that determines the right amount of mixing water in compacting a soil material and serve as reference in checking the degree of compaction of compacted soil.

• Field Density Test

• Moisture Content Determination

• Moisture Density Relation Test (Compaction Test)

• Absorption Test