Civil Engineering MCQs

Civil Engineering MCQs cover structural analysis, concrete technology, geotechnical, transportation, fluid mechanics, materials, and surveying, helping PPSC, FPSC, NTS candidates and graduates strengthen theory, apply concepts, and excel in engineering exams, interviews, and professional assessments.

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.