This article is about Civil QC Engineer CBT Test preparation question and answers and almost 100 questions covered in three parts and international standard reference also given. Here is Part 1 of 100 CBT Test Questions For Civil Inspector.
100 CBT Test Questions For Civil Inspector Part 1
1. Fill material retained on 75 mm sieve shall be………………….
a) 5%
b) 100%
c) 0%
d) 50%
e) None of the above
2. Amount of selected fill material passing ………………sieve shall be 100%.
a) 75 mm
b) 4.75 mm
c) 50 mm
d) 25 mm
e) None of the above.
3. No marl fill material shall be retained on ……………..sieve.
a) 50 mm,
b) 100 mm,
c) 75 mm,
d) 65 mm
e) None of the above.
4. As a minimum, ‘Select Fill Material’ shall be used within …………………of the bottom elevation of foundations, spread footings, or slabs-on-grade when fill is required to achieve final grade.
a) 0.6 m,
b) 0.5 m,
c) 0.9 m,
d) 0.3 m
e) None of the above.
5. Any excavation or trench with a minimum depth of …………… shoring shall be installed or the sides shall be sloped or benched and treated as a confined space.
a) 1.0 m,
b) 1.2 m,
c) 1.3 m,
d) 1.5 m
e) None of the above.
6. Clear space on all sides of excavation shall be at least…………….
a) 0.5 m,
b) 0.6 m,
c) 1.0 m,
d) 1.2 m
e) None of the above.
7. Fill material shall be placed in lifts not exceeding ………….in loose depth.
a) 150 mm,
b) 200 mm,
c) 250 mm,
d) 300 mm
e) None of the above.
8. Fill material shall be placed in lifts not exceeding …………………….in loose depth for hand-operated compaction.
a) 200 mm,
b) 150 mm,
c) 100 mm,
d) 75 mm
e) None of the above.
9. Compaction shall begin only after the fill or backfill has been properly placed and the material to be compacted is at the proper moisture content. ……………………..of the optimum moisture content per ASTM D1557 or ASTM D698, whichever is applicable.
a) +1.5%,
b) +2.0%,
c) +2.5%,
d) +3.0%
e) None of the above.
10. Under foundations with static loads over 320 kPa and foundations for vibrating or heavy machinery and pavements ……………….of the maximum density as determined by ASTM D1557 for cohesive materials.
a) 90%, b) 95%, c) 98%, d) 100% e) None of the above.
Answers Sections:
- 1. c
- 2. c
- 3. c
- 4. d
- 5. b
- 6. e
- 7. b
- 8. c
- 9. d
- 10. b
11. Under foundations with static loads over 320 kPa and foundations for vibrating or heavy machinery and pavements ……………of relative density (ASTM D4253/ASTM D4254) for cohesion less soils
a) 70%,
b) 75%,
c) 80%,
d) 85%
e) None of the above.
12. The depth of the test holes for nuclear method shall be no greater than deep. (ASTM D 2922, Sec. 1.1)
a) 150mm,
b) 200mm,
c) 250mm,
d) 300mm
e) None of the above.
13. The final finished right of way shall be at least …………. meters wide and ……………… meters in Sabkha areas.
a) 4m and 5m,
b) 5m and 6m,
c) 5.5m and 6.5m,
d) 6m and 7m
e) None of the above.
14. The pipe shall be embedded in clean sand not less than …………………..above the top of the pipe.
a) 150mm,
b) 200mm,
c) 250mm,
d) 300mm
e) None of the above.
15. The bottom of pipes in the trenches shall be …………..above the highest recorded ground water level.
a) 100mm,
b) 120mm,
c) 150mm,
d) 200mm
e) None of the above.
16. The width of the sand pad shall be ……………in Sabkha areas and is required on only one side of the pipeline.
a) 2 m,
b) 2.5 m,
c) 3 m,
d) 3.5 m
e) None of the above.
17. LPG Lines, gas lines and oil well flowlines in trenches shall have a minimum cover of…………., all others shall have…………….
a) 800 mm and 500 mm,
b) 850 mm and 550mm,
c) 900 mm and 600 mm,
d) 1000 mm and 650 mm
e) None of the above.
18. Fill or backfill placed beneath footings, grade beams, mats, buildings, and process areas shall be compacted to at least …………….of the maximum Modified Proctor density as determined by ASTM D1557
a) 85%,
b) 90%,
c) 95%,
d) 98%
e) None of the above.
19. Fill or backfill placed beneath footings, grade beams, mats, buildings, and process areas shall be compacted to at least ……………..relative density for cohesionless free draining soils, as determined by ASTM D4253 and ASTM D4254 shall be used.
a) 70%,
b) 80%,
c) 85%,
d) 90%,
e) None of the above.
20. Fine grout mix proportions shall be …….. part Portland cement …………….. part slaked lime and…………………… parts fine aggregates.(ACI 530.1, Sec. 2.6B.1)
a) 1 part cement, 0.1 part slaked lime and 2.25-3.0 parts fine aggregates.
b) 1 part cement, 0.25 part slaked lime and 3.25-3.5 parts fine aggregates
c) 1 part cement, 0.27 part slaked lime and 2.25-2.5 parts fine aggregates
d) 1 part cement, 0. 3 part slaked lime and 3.0-3.25 parts fine aggregates
e) 1 part cement, 1 part slaked lime and 4.0-6.25 parts fine aggregates
Answers Sections:
- 11. d
- 12. d
- 13. Not Sure
- 14. d
- 15. d
- 16. e
- 17. c
- 18. b
- 19. a
- 20. a
21. Coarse grout mix proportions shall be: 1 part Portland cement; …………….part slaked lime; …………….1-2 parts coarse aggregates. (ACI 530.1, Sec. 2.6B.1)
a) 1 part cement, 0.1 part slaked lime and 1-2.0 parts fine aggregates.
b) 1 part cement, 0.25 part slaked lime and 2.2-2.5 parts fine aggregates
c) 1 part cement, 0.27 part slaked lime and 2.0-2.5 parts fine aggregates
d) 1 part cement, 0. 3part slaked lime and 3.0-3.25 parts fine aggregates
e) 1 part cement, 0.6 part slaked lime and 3.0-3.5 parts fine aggregates
22. Alignments of masonry walls shall be within ……………………for bearing walls (ACI 530.1, Sec. 3.3.G.2.d)
a) +0.75”,
b) +0.6,
c) + 0.5″
d) +0.25”
e) +0.9,
23. Alignments of masonry walls shall be within …………………..for non-bearing walls. (ACI 530.1, Sec. 3.3.G.2.d)
a) + 0.75″,
b) +0.6,
c) + 0.5″
d) +0.25”
e) + 0.92
24. Plumbness of masonry walls shall be ………………………….. or + 0.5″ max. (ACI 530.1, Sec. 3.3.G.2.b)
a) + 0.3″/10′ to +0.375”/20′,
b) + 0.25″/10′ to +0.3”/20′,
c) + 0.25″/10′ to +0.375”/20′,
d) + 0.2″/10′ to +0.375”/20′
e) None of the above.
25. Portland Cement Plaster Mix Proportions shall be: 1 Part Portland Cement; …………… Part Slaked Lime; ………………. Parts Fine Sand Aggregate. (ACI 530.1, Sec. 2.6.B.1)
a) 0.1 Part Slaked Lime and 2.25 Parts Fine Sand Aggregate
b) 0.2 Part Slaked Lime and 2.00 Parts Fine Sand Aggregate
c) 0.15 Part Slaked Lime and 2.5 Parts Fine Sand Aggregate
d) 0.12 Part Slaked Lime and 2.75 Parts Fine Sand Aggregate
e) None of the above.
26. The Total Dissolved Solids (TDS) and pH value of mixing water shall be:
a) Max 500ppm and 8 to 6,
b) max 1000 and 7 to 9,
c) max 1500 and 8.5 to 9,
d) max 10000 and 7.5 to 8
e) None of the above.
27. Coarse aggregates shall be washed prior to concrete batching with water containing less than ……………..of total dissolved solids.
a) 1000 ppm,
b) 1500 ppm,
c) 3000 ppm,
d) 3500 ppm
e) None of the above.
28. Any manufactured sand shall be washed with water prior to batching concrete; the water shall contain less than ……………..of total dissolved solids.
a) 1000 ppm,
b) 1500 ppm,
c) 3000 ppm,
d) 3500 ppm
e) None of the above.
29. Temperature test shall be made with a frequency of not less than one test for every ……………..of concrete on each day, or 1 test each day for each class of concrete delivered. (ASTM C94-04, Sec. 16.5)
a) 50 m³,
b) 100 m³,
c) 115 m³,
d) 125 m³
e) None of the above.
30. Allowable concrete temperature during delivery and placement shall be ……………….maximum.
a) 25 c,
b) 30 c,
c) 32 c,
d) 40 c
e) None of the above.
Answers Sections:
- 21. a
- 22. c
- 23. a
- 24. c
- 25. a
- 26. a
- 27. a
- 28. a
- 29. c
- 30. c
31. The concrete specimens shall be subjected for final curing with free water maintained on their surfaces at all times at a temperature of………………. (ASTM C94/ASTM C-31 Sec. 10.1.3)
a) 20°C±2°C ,
b) 23°C±2°C,
c) 25°C±2°C,
d) 28°C±2°C
e) None of the above.
32. The compression testing machine shall be calibrated once in ………………. (ASTM C-39/C39M Sec. 5.1.1.1.1)
a) 3 months,
b) 6 months,
c) 9 months,
d) 12 months.
e) None of the above.
33. When the extent of damaged coating exceeds ………….of the surface area of the coated steel reinforcing bar in any 0.3–m (1–ft) length, the coated bar should be rejected. (ASTM A775, Sec. XI.3.8)
a) 1%,
b) 2%,
c) 3%,
d) 5%
e) None of the above.
34. Concrete shall be discharged from the mixer within ……………………….of the mixer from the time the mixing water was added. ASTM C-94, Sec. 11.7
a) 80 minutes or 250 revolutions,
b) 90 minutes or 350 revolutions,
c) 100 minutes or 300 revolutions,
d) 90 minutes or 300 revolutions
e) None of the above.
35. Min concrete cover for permanently exposed concrete structures to earth (including foundations over a sub-slab), weather supporting process equipment foundations shall be ……………..
a) 50 mm,
b) 75 mm,
c) 100 mm,
d) 125 mm
e) None of the above.
36. Minimum clear distance from anchor bolts or sleeves to edge of concrete shall be…………………
a) 50 mm,
b) 75 mm,
c) 100 mm,
d) 125 mm
e) None of the above.
37. The minimum anchor bolt diameter shall be …………………unless specified by the vendor for small equipment or for the anchorage of small miscellaneous items e.g. ladder supports, small piping supports, handrail anchorage, stair stringers, small platforms etc.
a) 25 mm,
b) 20 mm,
c) 50 mm
d) 60 mm
e) None of the above.
38. Variation in elevation of the tops of anchor bolts shall be equal to or less than……………. (AISC 7.5.1c)
a) ±10 mm,
b) ±13 mm,
c) ±15 mm,
d) ±20 mm
e) None of the above.
39. Maximum total dissolved solids in water used for moist curing shall not exceed……..
a) 500 ppm,
b) 1000 ppm,
c) 1500 ppm,
d) 3000 ppm
e) None of the above.
40. Water curing shall be continuous until the compressive strength has reached 70% of the specified strength, but not less than ………days after placement.
a) 7 days
b) 10 days
c) 12 days
d) 14 days
e) None of the above.
Answers Sections:
- 31. b
- 32. d
- 33. b
- 34. d
- 35. b
- 36. c
- 37. b
- 38. b
- 39. b
- 40. a
100 CBT Test Questions For Civil Inspector Part 2
100 CBT Test Questions For Civil Inspector Part 3
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