100 MCQs for the JK SSB JE Civil Engineering part 1

**100 MCQs** for the **JK SSB JE Civil Engineering** exam in a single response is impractical due to length constraints. However, I can provide a **structured breakdown** of key topics with **sample questions** and guide you on how to prepare effectively. Let’s start with **20 more questions** (covering different topics), followed by a **syllabus-wise strategy** for the remaining questions.

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Here’s a set of ** MCQs** for the SSB JE Civil Engineering exam, covering diverse topics in civil engineering:

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### **1. Structural Engineering**
**Q1.** The maximum bending moment for a simply supported beam of length \( L \) carrying a uniformly distributed load \( w \) per unit length is:
a) \( \frac{wL}{2} \)
b) \( \frac{wL^2}{8} \)
c) \( \frac{wL^2}{4} \)
d) \( \frac{wL}{8} \)
**Answer:** b) \( \frac{wL^2}{8} \)

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### **2. Construction Materials**
**Q2.** Which type of cement is suitable for mass concrete structures like dams?
a) Rapid hardening cement
b) Low heat cement
c) Portland pozzolana cement
d) Sulfate-resistant cement
**Answer:** b) Low heat cement

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### **3. Geotechnical Engineering**
**Q3.** The Standard Proctor Test is used to determine:
a) Shear strength of soil
b) Permeability of soil
c) Optimum moisture content for soil compaction
d) Consolidation settlement
**Answer:** c) Optimum moisture content for soil compaction

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### **4. Soil Mechanics**
**Q4.** The angle of internal friction is typically highest for:
a) Clay
b) Silt
c) Loose sand
d) Dense sand
**Answer:** d) Dense sand

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### **5. Fluid Mechanics**
**Q5.** The unit of kinematic viscosity is:
a) \( N \cdot s/m^2 \)
b) \( m^2/s \)
c) \( Pa \cdot s \)
d) \( kg/m^3 \)
**Answer:** b) \( m^2/s \)

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### **6. Environmental Engineering**
**Q6.** Primary treatment of sewage removes:
a) Dissolved organic matter
b) Suspended solids
c) Pathogens
d) Nutrients like nitrogen
**Answer:** b) Suspended solids

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### **7. Transportation Engineering**
**Q7.** A hairpin bend is provided on hill roads to:
a) Reduce gradient
b) Negotiate sharp turns
c) Improve drainage
d) Increase sight distance
**Answer:** b) Negotiate sharp turns

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### **8. Surveying**
**Q8.** The least count of a metric chain is:
a) 1 cm
b) 10 cm
c) 20 cm
d) 50 cm
**Answer:** c) 20 cm

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### **9. Surveying Corrections**
**Q9.** Hypotenusal allowance is applied in surveying to correct errors due to:
a) Temperature variation
b) Slope of the ground
c) Sag in the chain
d) Incorrect alignment
**Answer:** b) Slope of the ground

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### **10. Aggregates**
**Q10.** The fineness modulus of coarse aggregates generally ranges between:
a) 0–2
b) 2–4
c) 3–5
d) 6–8
**Answer:** d) 6–8

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### **11. Estimating & Costing**
**Q11.** Contingencies in construction cost estimates cover:
a) Labor wages
b) Material escalation
c) Unforeseen expenses
d) Administrative costs
**Answer:** c) Unforeseen expenses

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### **12. Project Management**
**Q12.** The critical path in a network diagram represents:
a) The shortest path
b) The longest path
c) The path with maximum resources
d) The path with zero float
**Answer:** b) The longest path

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### **13. Concrete Technology**
**Q13.** Superplasticizers are used in concrete to:
a) Accelerate setting time
b) Increase workability without adding water
c) Reduce shrinkage cracks
d) Improve durability
**Answer:** b) Increase workability without adding water

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### **14. Fluid Dynamics**
**Q14.** Laminar flow in pipes occurs when the Reynolds number is:
a) < 2000
b) 2000–4000
c) > 4000
d) > 10,000
**Answer:** a) < 2000

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### **15. Building Planning**
**Q15.** Plinth area refers to the:
a) Built-up area at the floor level
b) Carpet area plus wall thickness
c) Total area of all floors
d) Open area around the building
**Answer:** a) Built-up area at the floor level

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### **16. Water Quality**
**Q16.** Biochemical Oxygen Demand (BOD) measures:
a) Organic matter in water
b) Acidity of water
c) Turbidity of water
d) Dissolved oxygen content
**Answer:** a) Organic matter in water

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### **17. Earth Pressure**
**Q17.** Passive earth pressure is developed when a retaining wall:
a) Moves away from the soil
b) Moves into the soil
c) Remains stationary
d) Rotates about its base
**Answer:** b) Moves into the soil

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### **18. Highway Engineering**
**Q18.** Stopping sight distance depends on:
a) Brake reaction time and friction
b) Vehicle acceleration
c) Road curvature
d) Lane width
**Answer:** a) Brake reaction time and friction

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### **19. Concrete Testing**
**Q19.** The slump test is used to determine the ___ of concrete.
a) Compressive strength
b) Workability
c) Durability
d) Setting time
**Answer:** b) Workability

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### **20. IS Codes**
**Q20.** As per IS 456:2000, the minimum grade of concrete for RCC work is:
a) M10
b) M15
c) M20
d) M25
**Answer:** c) M20

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**Explanation of Key Concepts**:
– **Low heat cement (Q2)**: Reduces thermal cracking in mass concrete.
– **Reynolds number (Q14)**: Determines flow regime (laminar/turbulent).
– **Critical path (Q12)**: Longest path in a project network, determining minimum project duration.
– **Passive earth pressure (Q17)**: Occurs when a retaining wall is pushed into the backfill.

Let me know if you need further clarifications! 😊

### **Sample Questions (21–40)**

#### **21. Hydraulics**
**Q21.** The hydraulic gradient line (HGL) represents:
a) Total energy of flow
b) Pressure energy + kinetic energy
c) Pressure energy + potential energy
d) Potential energy only
**Answer:** c) Pressure energy + potential energy

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#### **22. Steel Structures**
**Q22.** The permissible stress in axial tension for mild steel (as per IS 800) is approximately:
a) 150 MPa
b) 250 MPa
c) 140 MPa
d) 100 MPa
**Answer:** a) 150 MPa

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#### **23. Irrigation**
**Q23.** The ratio of the quantity of water stored in the root zone to the water delivered to the field is called:
a) Water use efficiency
b) Consumptive use
c) Irrigation efficiency
d) Crop coefficient
**Answer:** c) Irrigation efficiency

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#### **24. Concrete Mix Design**
**Q24.** The water-cement ratio for nominal mix concrete (M15) as per IS 456:2000 is:
a) 0.45
b) 0.6
c) 0.35
d) 0.8
**Answer:** b) 0.6

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#### **25. Surveying**
**Q25.** The principle of “working from whole to part” in surveying avoids:
a) Instrumental errors
b) Accumulation of errors
c) Human errors
d) Natural errors
**Answer:** b) Accumulation of errors

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#### **26. Transportation Engineering**
**Q26.** The camber provided on a highway surface is for:
a) Reducing skidding
b) Drainage of rainwater
c) Aesthetic appearance
d) Increasing load capacity
**Answer:** b) Drainage of rainwater

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#### **27. Soil Mechanics**
**Q27.** The coefficient of permeability for clay is typically in the range:
a) \( 10^{-2} \, \text{to} \, 10^{-5} \, \text{cm/s} \)
b) \( 10^{-5} \, \text{to} \, 10^{-9} \, \text{cm/s} \)
c) \( 10^{-1} \, \text{to} \, 10^{-3} \, \text{cm/s} \)
d) \( 10^{-9} \, \text{to} \, 10^{-12} \, \text{cm/s} \)
**Answer:** b) \( 10^{-5} \, \text{to} \, 10^{-9} \, \text{cm/s} \)

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#### **28. Building Materials**
**Q28.** The main ingredient in Portland cement is:
a) Silica (SiO₂)
b) Alumina (Al₂O₃)
c) Lime (CaO)
d) Iron oxide (Fe₂O₃)
**Answer:** c) Lime (CaO)

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#### **29. RCC Design**
**Q29.** The modular ratio (\( m \)) in RCC is given by:
a) \( \frac{\text{Stress in steel}}{\text{Stress in concrete}} \)
b) \( \frac{\text{Young’s modulus of steel}}{\text{Young’s modulus of concrete}} \)
c) \( \frac{\text{Area of steel}}{\text{Area of concrete}} \)
d) \( \frac{\text{Load on steel}}{\text{Load on concrete}} \)
**Answer:** b) \( \frac{E_{\text{steel}}}{E_{\text{concrete}}} \)

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#### **30. Environmental Engineering**
**Q30.** Which gas is produced during anaerobic decomposition of sewage?
a) Carbon dioxide
b) Methane
c) Oxygen
d) Nitrogen
**Answer:** b) Methane

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#### **31. Highway Materials**
**Q31.** The ductility value of bitumen is measured as:
a) Penetration depth in mm
b) Percentage elongation before breaking
c) Softening point in °C
d) Viscosity in poise
**Answer:** b) Percentage elongation before breaking

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#### **32. Engineering Mechanics**
**Q32.** The moment of inertia of a rectangular section of width \( b \) and depth \( d \) about its base is:
a) \( \frac{bd^3}{12} \)
b) \( \frac{bd^3}{3} \)
c) \( \frac{b^3d}{12} \)
d) \( \frac{b^3d}{3} \)
**Answer:** b) \( \frac{bd^3}{3} \)

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#### **33. Construction Management**
**Q33.** PERT stands for:
a) Program Evaluation and Review Technique
b) Project Efficiency and Resource Tracking
c) Planning and Execution of Resources and Time
d) None of the above
**Answer:** a) Program Evaluation and Review Technique

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#### **34. Soil Compaction**
**Q34.** Which equipment is used for compacting granular soils?
a) Sheep’s foot roller
b) Pneumatic roller
c) Smooth wheel roller
d) Vibratory roller
**Answer:** d) Vibratory roller

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#### **35. Fluid Mechanics**
**Q35.** The total pressure on a submerged vertical plane surface acts at:
a) Centroid of the area
b) Center of pressure
c) Free surface of the liquid
d) None of these
**Answer:** b) Center of pressure

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#### **36. Reinforced Concrete**
**Q36.** The minimum cover for RCC columns exposed to mild weather conditions (as per IS 456) is:
a) 20 mm
b) 40 mm
c) 30 mm
d) 50 mm
**Answer:** a) 20 mm

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#### **37. Structural Analysis**
**Q37.** The degree of static indeterminacy of a simply supported beam is:
a) 0
b) 1
c) 2
d) 3
**Answer:** a) 0

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#### **38. Surveying**
**Q38.** The correction for sag in a chain survey is:
a) Additive
b) Subtractive
c) Compensating
d) None of these
**Answer:** a) Additive

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#### **39. Geotechnical Engineering**
**Q39.** The liquidity index of soil indicates:
a) Consistency relative to liquid and plastic limits
b) Permeability
c) Shear strength
d) Compressibility
**Answer:** a) Consistency relative to liquid and plastic limits

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#### **40. Concrete Technology**
**Q40.** The initial setting time of OPC (Ordinary Portland Cement) should not be less than:
a) 30 minutes
b) 60 minutes
c) 90 minutes
d) 10 hours
**Answer:** a) 30 minutes

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### **Strategy for 100 MCQs**
To cover **100 questions**, focus on the following topics with **5–10 questions each**:
1. **Strength of Materials** (Bending moment, shear force, columns).
2. **RCC Design** (Beams, slabs, columns, working stress method).
3. **Steel Structures** (Connections, tension/compression members).
4. **Fluid Mechanics** (Bernoulli’s theorem, flow in pipes).
5. **Hydrology & Irrigation** (Rainfall, runoff, canal design).
6. **Surveying** (Levelling, theodolite, corrections).
7. **Highway Engineering** (Pavement design, traffic signs).
8. **Environmental Engineering** (BOD, sewage treatment).
9. **Soil Mechanics** (Compaction, permeability, consolidation).
10. **Construction Management** (CPM, PERT, contracts).
11. **Estimating & Costing** (Earthwork, units of measurement).
12. **Building Materials** (Cement, aggregates, bricks).
13. **IS Codes** (IS 456, IS 800, IS 383).

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### **How to Prepare**
1. **Refer to Previous Year Papers**: Analyze JK SSB JE Civil trends.
2. **Standard Books**:
– RCC: **IS 456:2000** and **BC Punmia**.
– Soil Mechanics: **Arora’s Soil Mechanics**.
– Surveying: **Duggal’s Surveying**.
3. **Mock Tests**: Practice time-bound tests.

Let me know if you need **topic-specific questions** or **explanations**! 😊