CBA ASSESSMENT

Q1: Which machine is commonly used for both tensile and compression testing?

• A) Izod Impact Tester

• B) Brinell Hardness Teste

• C) Universal Testing Machine (UTM)

• D) Fatigue Testing Machine

Q2: The unit of stress in the SI system is:
A) Newton (N)
B) Pascal (Pa)
C) Kilogram (kg)
D) Meter per second (m/s)
✅ Answer: B) Pascal (Pa)

• A) Newton (N)

• B) Pascal (Pa)

• C) Kilogram (kg)

• D) Meter per second (m/s)

Q3: Why is it important to zero the weighing scale before weighing a test specimen?

• A) To save time

• B) To improve appearance

• C) To ensure accurate measurement

• D) To increase the load.

Q4. The sieve with the largest opening is placed at the (a)   of the stack during dry sieve analysis.

5. 5. Q5. Before starting the dry sieve analysis, the soil sample must be (a)   to remove moisture that could cause particles to stick together.

Q6. Why is a soil sample dried before performing a sieve analysis?

• A) To change its chemical composition

• B) To remove large particles

• C) To ensure accurate particle size separation

• D) To make the soil heavier

Q7. The most appropriate method for reducing a large soil sample to a representative smaller size is:

• A) Heating

• B) Passing

• C) Is

• D) Crushing

Q8. Which property is primarily used to classify fine-grained soils in the Atterberg limits test?

• A) Moisture content

• B) Grain shape

• C) Plastics

• D) Density

Q9. The Liquid Limit (LL) of a soil is defined as the moisture content at which the soil changes from:

• A) Suns

• B) Semi-solid to plastic

• C) Plastic

• D) T

Q10. A soil sample that cannot be rolled into threads of 3 mm diameter without breaking is considered:

• A) Non-cohesive

• B) Plastic

• C) No

• D) Organic