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 →
Contour lines crossing a natural valley or stream curve in the shape of a ‘V’ with their convexity pointing toward:
ADownstream / Lower elevation
BUpstream / Higher elevation
CFlat river bed
DRight angle to ridge
In EDM distance measurement, the phase shift method measures distance by analyzing:
ATime elapsed for light pulse travel
BPhase difference between transmitted and reflected electromagnetic waves
CFrequency modulation of sound waves
DReflective angle of glass prism
The Muller-Breslau Principle for constructing influence lines is applicable to:
AStatically determinate structures only
BStatically indeterminate structures only
CBoth statically determinate and indeterminate elastic structures
DNon-linear plastic structures only
The maximum bending moment in a fixed beam of span ‘L’ carrying a uniformly distributed load ‘w’ over entire span occurs at supports and equals:
Aw * L² / 8
Bw * L² / 12
Cw * L² / 24
Dw * L² / 16
The vertical stress increments under a point load on soil surface at depth ‘z’ directly along the load axis as per Boussinesq equation is proportional to:
A1 / z
B1 / z²
C1 / z³
D1 / sqrt(z)
In a unconfined compression test on a cohesive clay soil sample, the unconfined compressive strength (qu) is related to undrained cohesion (cu) by:
Acu = qu / 2
Bcu = qu
Ccu = 2 * qu
Dcu = qu / 5.7
According to Cassagrande’s plasticity chart, the A-line separating clays from silts is given by the equation:
AIP = 0.73 * (LL - 20)
BIP = 0.50 * (LL - 10)
CIP = 0.90 * (LL - 20)
DIP = 0.73 * (LL - 10)
The Soundness Test of cement using Le-Chatelier apparatus measures expansion caused by excessive presence of:
AFree Lime only
BFree Magnesia only
CBoth Free Lime and Magnesia
DAlkalies (Na2O and K2O)
As per limit state design, the minimum shear reinforcement in RC beams in the form of stirrups is provided to prevent:
AFlexural compression failure
BSudden brittle shear failure due to diagonal tension
CBond slipping of longitudinal bars
DLong-term creep deflection