Civil Engineering
Civil Engineering MCQs with Answers and Explanations
Civil engineering MCQs with answers and detailed explanations for PEC, NTS, WAPDA, PPSC and engineering job tests. Free subject-wise online practice. Take a scored quiz instead →
In surveying, plane table surveying works on which fundamental governing principle?
ATrilateration
BParallelism
CTriangulation
DTransiting
The horizontal distance measured between two consecutive contour lines on a topographic map is termed:
AContour Interval
BHorizontal Equivalent
CVertical Equivalent
DGrade Line
For a rectangular beam section, the ratio of maximum shear stress (tau_max) to average shear stress (tau_avg) across the depth is:
A1.15
B1.33
C1.50
D2.00
For a cantilever beam of length L carrying a uniform distributed load (w) per unit length over its entire span, the maximum deflection occurs at:
AMidspan with magnitude wL^4 / (384 EI)
BFree end with magnitude wL^4 / (8 EI)
CFixed support with magnitude wL^4 / (8 EI)
DFree end with magnitude wL^3 / (3 EI)
What is the maximum bending moment for a simply supported beam of span L carrying a concentrated load W at midspan?
AW * L / 8
BW * L / 4
CW * L / 2
DW * L^2 / 8
The quicksand condition in cohesionless sand deposit occurs when the effective vertical stress (sigma’) becomes:
AMaximum positive
BEqual to total stress
CZero
DEqual to atmospheric pressure
According to Rankine’s earth pressure theory, the coefficient of active earth pressure (Ka) for a horizontal backfill with internal friction angle phi is equal to:
A(1 + sin phi) / (1 - sin phi)
B(1 - sin phi) / (1 + sin phi)
C1 / (1 - sin phi)
D(1 - cos phi) / (1 + cos phi)
The shear strength of a soil mass under two-dimensional stress condition is governed by which empirical failure envelope?
AHooke's Law Envelope
BMohr-Coulomb Failure Criterion
CRankine Passive State
DTresca Yield Criterion
Which apparatus is standardly used to test the soundness of Ordinary Portland Cement caused by free lime?
AVicat Apparatus
BLe Chatelier Apparatus
CBlaine Air Permeability Apparatus
DSlump Cone Apparatus
In a Limit State Method (LSM) design of RCC beams, what is the maximum strain assumed in concrete at the outermost compression fiber at collapse in flexure?
A0.0020
B0.0035
C0.0045
D0.0050