Civil QC Inspector – MCQ Test
🔹 SECTION A: SOIL & EARTHWORK (10 MCQs)
Q1. Which ASTM standard is used for Standard Proctor Compaction Test?
A. ASTM D1557
B. ASTM D698
C. ASTM D1883
D. ASTM D2216
✅ Answer: B
Q2. Modified Proctor Test is normally used for:
A. Landscaping soil
B. Light structures
C. Heavy foundation & Aramco pavements
D. Clay identification
✅ Answer: C
Q3. Minimum field compaction required by Saudi Aramco for structural fill is:
A. 90% MDD
B. 92% MDD
C. 95% MDD
D. 98% MDD
✅ Answer: C
Q4. ASTM standard for Field Density Test using Sand Cone method is:
A. ASTM D6938
B. ASTM D1556
C. ASTM D698
D. ASTM C136
✅ Answer: B
Q5. CBR test is conducted according to:
A. ASTM D1557
B. ASTM D1883
C. ASTM D4318
D. ASTM D2216
✅ Answer: B
Q6. Which test determines plasticity of soil?
A. Sieve Analysis
B. Proctor Test
C. Atterberg Limits
D. CBR
✅ Answer: C
Q7. ASTM code for Moisture Content test of soil is:
A. ASTM D854
B. ASTM D698
C. ASTM D2216
D. ASTM D1883
✅ Answer: C
Q8. According to USCS, soil with high plasticity clay is classified as:
A. CL
B. CH
C. SM
D. SC
✅ Answer: B
Q9. Nuclear Density Gauge test standard is:
A. ASTM D1556
B. ASTM D698
C. ASTM D6938
D. ASTM D2216
✅ Answer: C
Q10. Purpose of Compaction test is to determine:
A. Soil bearing capacity
B. Soil permeability
C. MDD & OMC
D. Soil classification
✅ Answer: C
🔹 SECTION B: AGGREGATE & CONCRETE MATERIALS (10 MCQs)
Q11. Sieve analysis of aggregate is conducted as per:
A. ASTM C88
B. ASTM C136
C. ASTM C127
D. ASTM C39
✅ Answer: B
Q12. Aggregate soundness test is performed according to:
A. ASTM C131
B. ASTM C127
C. ASTM C88
D. ASTM C142
✅ Answer: C
Q13. LA Abrasion Test checks aggregate:
A. Shape
B. Gradation
C. Hardness & wear resistance
D. Water absorption
✅ Answer: C
Q14. ASTM standard for Specific Gravity of coarse aggregate is:
A. ASTM C128
B. ASTM C136
C. ASTM C127
D. ASTM C88
✅ Answer: C
Q15. Maximum allowable loss in LA Abrasion test (typical Aramco):
A. 20%
B. 30%
C. 40%
D. 50%
✅ Answer: C
Q16. Slump test of concrete is conducted as per:
A. ASTM C39
B. ASTM C143
C. ASTM C138
D. ASTM C231
✅ Answer: B
Q17. Slump value represents concrete:
A. Strength
B. Durability
C. Workability
D. Density
✅ Answer: C
Q18. ASTM standard for Compressive Strength of concrete is:
A. ASTM C42
B. ASTM C31
C. ASTM C39
D. ASTM C143
✅ Answer: C
Q19. Standard size of concrete cylinder is:
A. 100 × 200 mm
B. 150 × 300 mm
C. 150 × 150 mm
D. 200 × 300 mm
✅ Answer: B
Q20. Concrete curing minimum period as per ACI 308 (OPC):
A. 3 days
B. 5 days
C. 7 days
D. 14 days
✅ Answer: C
