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 railway track engineering, creep of rails refers to:
ALateral bending of rails due to temperature
BLongitudinal movement of rails in the direction of traffic
CVertical wear on the rail head
DExpansion gap opening at rail joints
The specific energy (E) of flow in a rectangular open channel at critical depth (yc) is equal to:
A1.25 yc
B1.50 yc
C2.00 yc
D2.50 yc
As per IRC recommendations, the maximum allowable superelevation in rural plain and rolling terrain highways is:
A4%
B7%
C10%
D12%
Bernoulli’s equation is derived along a streamline under the assumption of:
AInviscid, incompressible, steady, and irrotational flow
BViscous, compressible, and unsteady flow
CTurbulent, compressible, steady flow
DRotational, viscous, steady flow
The hydraulic jump in an open channel flow occurs when the flow changes from:
ASubcritical to supercritical
BSupercritical to subcritical
CCritical to subcritical
DUniform to non-uniform subcritical
The loss of head due to sudden enlargement in a pipe flow carrying velocity v1 in smaller pipe and v2 in larger pipe is given by:
A(v1 - v2)² / (2g)
B(v1² - v2²) / (2g)
C0.5 * v1² / (2g)
D(v1 + v2)² / (2g)
The active earth pressure coefficient (Ka) for a cohesionless soil with an internal friction angle (phi) of 30° is:
A0.333 (1/3)
B0.500
C1.000
D3.000
According to Terzaghi’s bearing capacity theory, the ultimate bearing capacity of a shallow strip footing on purely cohesive soil (phi = 0) is:
A5.14 c
B5.70 c
C6.20 c
D7.50 c
The combined correction for curvature and atmospheric refraction for a distance ‘D’ (in km) in levelling is given by:
A0.0785 D² meters (subtractive)
B0.0673 D² meters (subtractive)
C0.0112 D² meters (additive)
D0.0571 D² meters (subtractive)
The maximum possible value of Plasticty Index (IP) for a soil with Liquid Limit (LL) of 45% and Plastic Limit (PL) of 20% is:
A15%
B25%
C35%
D65%