BPSC AEO Civil Preliminary Exam Mock Test

S.NoExam StageTypeMarksDurationTopics / Syllabus
1Preliminary ExamObjective / MCQ1002 hoursGeneral Studies, Aptitude, Engineering Basics
2Main ExamDescriptive / Technical3003 hoursCore Engineering Subject (Civil / Mechanical / Electrical) + General Studies, Engineering Aptitude

Total Questions: 100 | Max Marks: 100 | Time: 3 Hours

Technical Engineering (Civil) – Q1–20

Q1. For a cantilever beam with uniformly distributed load www per unit length and length LLL, the maximum bending moment is:

A) wL2/2wL^2/2wL2/2
B) wL2/8wL^2/8wL2/8
C) wL2/4wL^2/4wL2/4
D) wL2/3wL^2/3wL2/3

Q2. The soil classification system used by the Bureau of Indian Standards (BIS) is based on:

A) Particle size only
B) Plasticity and particle size
C) Moisture content
D) Permeability

Q3. For RCC beams, the neutral axis depth increases when:

A) Concrete grade decreases
B) Steel percentage increases beyond balanced steel
C) Span length increases
D) Load decreases

Q4. In a simply supported beam, the maximum shear occurs:

A) At midspan
B) At supports
C) At 1/4th span
D) Uniformly along the length

Q5. The modulus of elasticity of steel is approximately:

A) 200 GPa
B) 150 GPa
C) 250 GPa
D) 100 GPa

Q6. In reinforced concrete design, the factor of safety for steel is:

A) 1.15
B) 1.5
C) 1.25
D) 1.75

Q7. The Euler’s formula is used for:

A) Short columns
B) Long slender columns
C) Beams
D) Plates

Q8. The standard penetration test (SPT) measures:

A) Soil density
B) Soil bearing capacity
C) Soil resistance to penetration
D) Soil moisture

Q9. In a water distribution network, Hazen-Williams equation is used for:

A) Head loss
B) Flow velocity
C) Pump power
D) Pressure surge

Q10. The factor affecting the setting time of cement is:

A) Ambient temperature
B) Fineness of cement
C) Presence of gypsum
D) All of the above

Q11. For a simply supported slab, the bending moment along the span is:

A) Maximum at midspan
B) Maximum at supports
C) Zero at midspan
D) Uniform

Q12. The property of soil that allows it to regain shape after removing stress is called:

A) Plasticity
B) Elasticity
C) Cohesion
D) Permeability

Q13. Poisson’s ratio for steel approximately:

A) 0.3
B) 0.2
C) 0.25
D) 0.35

Q14. The objective of water hammer analysis is to:

A) Reduce pump efficiency
B) Prevent pressure surges in pipelines
C) Measure flow
D) None of the above

Q15. Minimum grade of concrete for foundations as per IS code:

A) M10
B) M15
C) M20
D) M25

Q16. In surveying, the R.L. of a point is:

A) Horizontal distance
B) Reduced level
C) Angular distance
D) Elevation above reference

Q17. In highway design, super-elevation is provided to:

A) Reduce skidding
B) Increase vehicle speed
C) Reduce lane width
D) Reduce friction

Q18. The unit of coefficient of permeability in SI:

A) m/s
B) m²/s
C) m³/s
D) N/m²

Q19. Which type of stress is experienced in a shaft transmitting torque:

A) Tensile stress
B) Compressive stress
C) Shear stress
D) Bending stress

Q20. In a reinforced concrete column, minimum lateral ties spacing:

A) 16D (D = diameter of longitudinal bars)
B) 12D
C) 24D
D) 8D


General Studies / Engineering Aptitude – Q21–25

Q21. GST in India was implemented on:

A) 1 July 2016
B) 1 July 2017
C) 1 April 2017
D) 1 January 2017

Q22. The main aim of Pradhan Mantri Krishi Sinchai Yojana:

A) Provide electricity to farmers
B) Improve irrigation coverage
C) Increase fertilizer use
D) Rural electrification

Q23. National Green Tribunal was established in:

A) 2010
B) 2011
C) 2012
D) 2009

Q24. The concept of “Smart Cities Mission” was launched in:

A) 2014
B) 2015
C) 2016
D) 2013

Q25. Bihar’s first hydroelectric project is:

A) Kosi Barrage
B) Karna Lake Project
C) Barh Hydel
D) Kanhar Project

Technical Engineering – Civil (Questions 26–45)

Q26. The characteristic strength of concrete (fck) is defined at the age of:

A) 7 days
B) 14 days
C) 28 days
D) 21 days

Q27. In a plate load test, the standard size of the test plate is:

A) 300 × 300 mm
B) 450 × 450 mm
C) 600 × 600 mm
D) 500 × 500 mm

Q28. The term “over-reinforced section” in RCC refers to:

A) Steel is less than balanced
B) Steel is more than balanced
C) Concrete fails after steel
D) Section is under tension

Q29. In surveying, the difference between fore and back sight readings is:

A) Reduced Level
B) Height of instrument
C) Line of sight error
D) Leveling error

Q30. The maximum dry density in the Proctor compaction test corresponds to:

A) Maximum water content
B) Zero water content
C) Optimum water content
D) Saturation

Q31. Modulus of subgrade reaction is used in:

A) Footing design
B) Pavement design
C) Beam design
D) Column design

Q32. In RCC, the minimum cover for mild exposure condition:

A) 15 mm
B) 20 mm
C) 25 mm
D) 30 mm

Q33. The permissible stress method in design is also called:

A) Working stress method
B) Limit state method
C) Ultimate load method
D) Plastic design method

Q34. The safe bearing capacity of soil is:

A) Ultimate bearing capacity × factor of safety
B) Ultimate bearing capacity ÷ factor of safety
C) Ultimate bearing capacity + factor of safety
D) Ultimate bearing capacity – factor of safety

Q35. The type of foundation suitable for expansive soil:

A) Shallow foundation
B) Raft foundation
C) Pile foundation
D) Strap footing

Q36. The type of flow in pipe where Reynolds number < 2000:

A) Turbulent
B) Laminar
C) Transitional
D) Uniform

Q37. In hydrology, the unit hydrograph assumes:

A) Linear system
B) Non-linear system
C) Steady state
D) Dynamic equilibrium

Q38. The standard penetration test (SPT) measures:

A) Shear strength
B) Relative density
C) Soil resistance to penetration
D) Permeability

Q39. In structural analysis, degree of indeterminacy is calculated using:

A) M + R – 3J
B) M + R – 2J
C) 3M – R
D) M + J – R

Q40. The coefficient of permeability of coarse sand is typically:

A) 10^-2 m/s
B) 10^-3 m/s
C) 10^-4 m/s
D) 10^-5 m/s

Q41. Minimum grade of steel bars used in RCC:

A) Fe250
B) Fe415
C) Fe500
D) Fe600

Q42. The term “modulus of rupture” is associated with:

A) Compression test
B) Tension test
C) Flexure test
D) Shear test

Q43. In prestressed concrete, steel is stressed:

A) Before casting only
B) After casting only
C) Either pre or post tensioning
D) Never

Q44. The main objective of highway super-elevation:

A) Increase vehicle speed
B) Counteract centrifugal force
C) Reduce pavement wear
D) Reduce skidding

Q45. In reinforced concrete slabs, the main reinforcement is placed:

A) At top of tension face
B) At bottom of tension face
C) On compression side
D) Evenly distributed


General Studies / Engineering Aptitude – Q46–50

Q46. PM-Kisan scheme provides financial support of:

A) ₹3000/year
B) ₹5000/year
C) ₹6000/year
D) ₹7000/year

Q47. National Hydrology Project in India aims to:

A) Flood control only
B) Water resource management
C) Drinking water supply
D) Hydropower

Q48. Smart Cities Mission was launched in:

A) 2013
B) 2014
C) 2015
D) 2016

Q49. The Indian Green Building Council (IGBC) promotes:

A) Sustainable construction
B) Energy efficiency
C) Environmental protection
D) All of the above

Q50. The Bureau of Indian Standards (BIS) Code for Concrete Mix Design:

A) IS 456
B) IS 10262
C) IS 875
D) IS 3370

Technical Engineering – Advanced Questions (Civil/Mechanical/Electrical) – Q51–70

Q51. In a continuous beam, the maximum positive bending moment occurs:

A) At midspan of a span
B) At supports
C) At quarter points
D) At ends

Q52. In reinforced concrete, the ultimate moment of resistance is calculated using:

A) Working stress method
B) Limit state method
C) Elastic method
D) Plastic design method

Q53. In soil mechanics, the angle of internal friction (φ) represents:

A) Cohesion
B) Shear strength due to friction
C) Compressibility
D) Permeability

Q54. The permissible bearing pressure of clay is generally:

A) 50–150 kPa
B) 100–200 kPa
C) 200–400 kPa
D) 400–600 kPa

Q55. In a simply supported steel beam, the deflection formula δ = 5wL⁴ / 384EI applies for:

A) UDL over entire span
B) Point load at midspan
C) Triangular load
D) Varying load

Q56. Factor of safety for slope stability in civil engineering:

A) 1.0
B) 1.33–1.5
C) 2.0
D) 2.5

Q57. In highway design, the radius of horizontal curve is based on:

A) Superelevation and design speed
B) Pavement type
C) Traffic density
D) Material used

Q58. For a soil sample, void ratio (e) = 0.6, and specific gravity (G) = 2.7, calculate porosity (n).

A) 37.5%
B) 60%
C) 27%
D) 25%

Q59. In water supply, the Hazen-Williams coefficient (C) depends on:

A) Pipe material
B) Flow velocity
C) Pressure
D) Pipe diameter only

Q60. The maximum bending stress in a rectangular section under flexure:

A) σ=M/Iσ = M / Iσ=M/I
B) σ=Mc/Iσ = Mc / Iσ=Mc/I
C) σ=6M/bd2σ = 6M/bd^2σ=6M/bd2
D) σ=12M/bd2σ = 12M/bd^2σ=12M/bd2

Q61. In soil consolidation, primary consolidation occurs due to:

A) Immediate settlement
B) Expulsion of water from voids
C) Creep
D) Plastic deformation

Q62. The limiting height of a masonry retaining wall is determined by:

A) Active earth pressure
B) Passive earth pressure
C) Wall thickness only
D) Wall weight

Q63. In prestressed concrete, losses due to elastic shortening are:

A) Short-term
B) Long-term
C) Both
D) None

Q64. In highway pavement, CBR value is used to:

A) Check traffic load
B) Design thickness of pavement
C) Determine subgrade soil type
D) Estimate drainage

Q65. The reinforcement in a slab for negative moment is placed:

A) Top of slab at supports
B) Bottom of slab at midspan
C) Evenly distributed
D) None

Q66. In structural analysis, a determinate structure has:

A) Zero degree of indeterminacy
B) One degree of indeterminacy
C) Multiple degrees
D) Cannot determine

Q67. The typical water content of saturated clay at plastic limit:

A) 20–30%
B) 25–35%
C) 30–40%
D) 35–45%

Q68. The typical spacing of lateral ties in RCC column:

A) 16D or 300 mm max
B) 12D or 250 mm max
C) 24D or 350 mm max
D) 10D or 200 mm max

Q69. In Electrical Engineering, the efficiency of a transformer depends mainly on:

A) Copper loss
B) Iron loss
C) Both A & B
D) Voltage rating

Q70. For a 3-phase induction motor, the slip at maximum torque is:

A) Zero
B) 50%
C) Rated load slip
D) Depends on rotor resistance


General Studies / Engineering Aptitude – Q71–75

Q71. Pradhan Mantri Krishi Sinchai Yojana aims to:

A) Improve irrigation coverage
B) Provide subsidies for fertilizers
C) Promote organic farming
D) Provide tractors to farmers

Q72. National Water Mission (NWM) focuses on:

A) Water conservation
B) Flood control
C) Drinking water supply
D) Hydropower

Q73. The “Smart Cities Mission” objective:

A) Energy efficiency and urban mobility
B) Rural development
C) Agriculture improvement
D) Health infrastructure

Q74. The Bureau of Indian Standards (BIS) code for concrete mix design:

A) IS 456
B) IS 10262
C) IS 875
D) IS 3370

Q75. The Green Rating for Integrated Habitat Assessment (GRIHA) is related to:

A) Energy-efficient building design
B) Sustainable water use
C) Environmental management
D) All of the above


Numerical Ability & Reasoning – Q76–85

Q76. A water tank can be filled by Pipe A in 12 hours and Pipe B in 16 hours. If both pipes are opened together, the tank will be filled in:

A) 6.8 hours
B) 7 hours
C) 6.5 hours
D) 7.2 hours

Q77. If x25x+6=0x^2 – 5x + 6 = 0x2−5x+6=0, then x = ?

A) 2, 3
B) 1, 6
C) -2, -3
D) 3, 4

Q78. A sum of ₹10,000 is lent at 10% per annum simple interest. Interest for 3 years is:

A) ₹3,000
B) ₹3,100
C) ₹3,300
D) ₹3,500

Q79. The ratio of work done by two persons in 1 day is 3:5. If total work is 800 units, work done by first person:

A) 300 units
B) 480 units
C) 320 units
D) 500 units

Q80. Find the next number in series: 5, 11, 23, 47, ?

A) 95
B) 91
C) 93
D) 99

Q81. The area of a triangle with base 10 m and height 12 m is:

A) 60 m²
B) 120 m²
C) 24 m²
D) 72 m²

Q82. Speed of a train is 60 km/h. Distance covered in 45 minutes is:

A) 40 km
B) 45 km
C) 50 km
D) 55 km

Q83. If 25% of a number is 50, the number is:

A) 100
B) 150
C) 200
D) 250

Q84. A man buys an article for ₹800 and sells at 10% profit. Selling price = ?

A) ₹880
B) ₹850
C) ₹900
D) ₹810

Q85. 20 men can do a work in 30 days. 10 more men join. Remaining work is done in:

A) 10 days
B) 12 days
C) 15 days
D) 18 days


Technical / Civil Engineering Application – Q86–95

Q86. The moment of inertia of a rectangular section about its centroidal axis:

A) bh3/12bh^3/12bh3/12
B) bh3/6bh^3/6bh3/6
C) b3h/12b^3h/12b3h/12
D) b3h/6b^3h/6b3h/6

Q87. In RCC design, the ultimate stress in concrete is taken as:

A) 0.67fck
B) 0.45fck
C) 0.6fck
D) 0.5fck

Q88. The maximum shear in a simply supported beam under UDL:

A) wL/2
B) wL/4
C) wL
D) wL/8

Q89. In drainage design, hydraulic radius =

A) Area of flow / wetted perimeter
B) Wetted perimeter / area of flow
C) Flow velocity × area
D) None of the above

Q90. The IS code for concrete mix design:

A) IS 456
B) IS 10262
C) IS 875
D) IS 3370

Q91. In slope stability, the factor of safety is ratio of:

A) Shear stress / Shear strength
B) Shear strength / Shear stress
C) Weight / Height
D) Cohesion / Friction

Q92. The coefficient of permeability of sandy soil is of order:

A) 10^-3 to 10^-4 m/s
B) 10^-5 to 10^-6 m/s
C) 10^-2 to 10^-3 m/s
D) 10^-6 to 10^-7 m/s

Q93. Minimum cover for mild exposure condition in RCC beam:

A) 15 mm
B) 20 mm
C) 25 mm
D) 30 mm

Q94. The ultimate load of a short column is calculated using:

A) Euler’s formula
B) Rankine’s formula
C) Slenderness ratio formula
D) Plastic theory

Q95. The coefficient of friction of dry concrete against steel:

A) 0.3–0.5
B) 0.5–0.7
C) 0.1–0.2
D) 0.7–0.9


General Studies / Rural & Engineering Aptitude – Q96–100

Q96. National Water Mission focuses on:

A) Sustainable water use
B) Drinking water
C) Flood control
D) Hydropower

Q97. Pradhan Mantri Krishi Sinchai Yojana aims to:

A) Promote irrigation
B) Provide electricity
C) Supply fertilizers
D) Organic farming

Q98. Smart Cities Mission was launched in:

A) 2013
B) 2014
C) 2015
D) 2016

Q99. National Green Tribunal (NGT) was established in:

A) 2010
B) 2011
C) 2012
D) 2009

Q100. GRIHA rating is related to:

A) Sustainable building design
B) Environmental management
C) Energy efficiency
D) All of the above

Q.NoAnswerQ.NoAnswerQ.NoAnswer
1C34B67B
2B35C68A
3B36B69C
4B37A70D
5A38C71A
6B39A72A
7B40A73A
8C41B74B
9A42C75D
10D43C76A
11A44B77A
12B45B78A
13A46A79B
14B47B80C
15B48B81A
16B49D82A
17A50B83C
18A51A84A
19C52B85B
20A53B86A
21C54A87B
22B55A88A
23A56B89A
24B57A90B
25C58A91B
26C59B92C
27B60B93A
28B61B94B
29B62A95A
30C63C96A
31B64B97A
32B65A98C
33A66A99B
34B67B100D

Short Disclaimer:

This mock test is for practice and educational purposes only. It is not an official BPSC exam paper. Answers are provided to help candidates evaluate their preparation.