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 Total Station surveying, distance measurement is executed using which technology?
AOptical Stadia Hair System
BElectronic Distance Measurement (EDM) infrared/laser system
CSubtense Bar Method
DGunter's Chain
Sensitivity of a level tube is defined as the angle subtended at the center by an arc of one division of the level tube, expressed in:
ADegrees
BRadians
CSeconds of arc
DMeters
The Moment Distribution Method developed by Hardy Cross is primarily an iterative method used for analyzing:
AStatically determinate trusses
BStatically indeterminate continuous beams and rigid frames
CFlexible cable structures
DRetaining wall stability
In a parabolic three-hinged arch of span L and central rise h carrying UDL over entire span, horizontal thrust (H) at supports is:
Aw * L^2 / (8 * h)
Bw * L^2 / (4 * h)
Cw * L / (8 * h)
Dw * L^2 / (16 * h)
According to Coulomb’s wedge theory of earth pressure, the failure wedge is assumed to be bounded by a plane surface and acts as a:
AFlexible membrane
BRigid body
CViscous fluid
DElastic spring
For a propped cantilever beam of span L with fixed support at A and prop support at B carrying UDL ‘w’, the reaction at prop support B is:
A1/8 wL
B3/8 wL
C5/8 wL
D1/2 wL
The maximum shear stress in a triaxial compression test on soil occurs on a plane inclined to the major principal plane at an angle of:
A30°
B45°
C60°
D90°
The optimum moisture content (OMC) of a soil during compaction test corresponds to the point where soil achieves:
AMaximum void ratio
BMaximum dry density
CZero air voids line
DMaximum degree of saturation (100%)
The development length (Ld) of a deformed reinforcement bar in tension as per limit state design is given by:
A(phi * sigma_s) / (4 * tau_bd)
B(phi * sigma_s) / (2 * tau_bd)
C(2 * phi * sigma_s) / tau_bd
D(phi * tau_bd) / (4 * sigma_s)
In steel tension member design, net effective cross-sectional area for a plate with staggered rivet holes is increased compared to chain riveting because:
AGross area increases
BStaggered pitch distance adds positive terms (s^2 / (4g)) to net width
CRivet hole diameter is reduced
DStress concentration factor is zero
