GURU MCQs provides Civil Engineering MCQs for Job Test and Interview Preparation, suitable for fresh graduates, students, and competitive exams. Most repeated civil engineering MCQs section is frequently encountered in CSS, PMS, Inspector, ASI, Sub-Inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams, as well as government and private job assessments. The most common updated MCQs include Basic Civil Engineering, Building Materials, Surveying, Soil Mechanics and Foundation Engineering, Applied Mechanics, Hydraulics, Waste Water Engineering, RCC Structures Design, Irrigation, Railways, Construction Management, Theory of Structures, Estimating and Costing, Docks and Harbours, Elements of Remote Sensing, Building Construction, Concrete Technology, Advanced Surveying, Strength of Materials, Water Resources Engineering, Water Supply Engineering, Steel Structure Design, Highway Engineering, Airport Engineering, Structural Design Specifications, Tunnelling, and much more.

**151. Which of the following is a natural fibre?**
A. Glass fibre
B. Steel fibre
C. Nylon fibre
D. Jute fibre

**152. The process of mixing and compacting concrete simultaneously is known as:**
A. Vibrating
B. Spreading
C. Ramming
D. None of the above

**153. The minimum thickness of slab should not be less than:**
A. 75 mm
B. 100 mm
C. 125 mm
D. 150 mm

**154. The initial setting time of ordinary Portland cement should not be less than:**
A. 30 minutes
B. 45 minutes
C. 60 minutes
D. 90 minutes

**155. A retaining wall is generally provided with:**
A. Expansion joint
B. Contraction joint
C. Construction joint
D. None of the above

**156. The function of damp proof course is to prevent:**
A. Capillarity
B. Creep
C. Dampness
D. Frost action

**157. The purpose of providing plaster is to:**
A. Improve the appearance
B. Protect the surface
C. Provide smooth surface
D. All of the above

**158. The number of bricks required for 1 cubic meter of brick masonry is approximately:**
A. 400
B. 500
C. 600
D. 700

**159. The curing period for concrete is generally kept as:**
A. 7 days
B. 10 days
C. 14 days
D. 28 days

**160. The nominal size of modular brick is:**
A. 190 mm × 90 mm × 90 mm
B. 200 mm × 100 mm × 100 mm
C. 210 mm × 100 mm × 100 mm
D. 220 mm × 110 mm × 110 mm