Civil Engineering MCQs

Civil Engineering MCQs are vital for students, graduates, and professionals preparing for government jobs and engineering tests. This category includes questions on structural analysis, concrete technology, geotechnical engineering, construction materials, fluid mechanics, transportation engineering, and surveying. The MCQs are designed in alignment with the syllabus of exams conducted by PPSC, FPSC, NTS, and engineering universities. Each question aims to strengthen your theoretical knowledge and practical understanding. By practicing these MCQs, candidates can boost their confidence and ensure thorough preparation for civil engineering exams and interviews.

Q: The standard rise in stairs for residential buildings is around
A) 200 mm
B) 150 mm
C) 100 mm
D) 300 mm
βœ… Correct Answer: A
Explanation: A 200 mm rise is generally suitable for residential stairs for comfort and safety.
Q: Curing of concrete helps in
A) Strength development
B) Cooling concrete
C) Shrinking concrete
D) Color retention
βœ… Correct Answer: A
Explanation: Curing retains moisture for continued hydration and strength gain.
Q: Granite is classified as
A) Artificial stone
B) Sedimentary rock
C) Metamorphic rock
D) Igneous rock
βœ… Correct Answer: D
Explanation: Granite is an igneous rock formed from cooled magma.
Q: Timber is seasoned to improve
A) Weight
B) Appearance
C) Moisture content
D) Strength and durability
βœ… Correct Answer: D
Explanation: Seasoning reduces moisture, enhancing the wood’s strength and life.
Q: The primary function of scaffolding is to provide
A) Support for formwork
B) Working platform
C) Security
D) Drainage
βœ… Correct Answer: B
Explanation: Scaffolding offers temporary working platforms for construction workers.
Q: A beam with more than two supports is called
A) Continuous
B) Simply supported
C) Overhanging
D) Cantilever
βœ… Correct Answer: A
Explanation: Continuous beams extend over more than two supports.
Q: The property of a fluid to resist motion is called
A) Velocity
B) Density
C) Viscosity
D) Surface tension
βœ… Correct Answer: C
Explanation: Viscosity measures internal resistance of a fluid to flow.
Q: Open channel flow is governed by
A) Manning’s equation
B) Bernoulli’s theorem
C) Navier-Stokes equation
D) Reynolds number
βœ… Correct Answer: A
Explanation: Manning’s equation relates flow velocity and hydraulic radius in open channels.
Q: A septic tank is used for
A) Increasing water pressure
B) Treating sewage
C) Collecting solid waste
D) Rainwater harvesting
βœ… Correct Answer: B
Explanation: Septic tanks allow primary treatment of domestic sewage through sedimentation and anaerobic digestion.
Q: Gauge pressure is measured with respect to
A) None
B) Absolute pressure
C) Negative pressure
D) Atmospheric pressure
βœ… Correct Answer: D
Explanation: Gauge pressure is the difference between system pressure and atmospheric pressure.