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 __________ of the stack during dry sieve analysis.

5. 5. Q5. Before starting the dry sieve analysis, the soil sample must be __________ 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