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 →
The point of contraflexure occurs in a beam where the bending moment diagram:
AReaches its maximum positive value
BReaches its maximum negative value
CIs zero and changes sign
DIs equal to shear force
Euler’s critical buckling load for a column hinged at both ends is given by:
A(pi^2 * E * I) / (4 * L^2)
B(pi^2 * E * I) / L^2
C(2 * pi^2 * E * I) / L^2
D(4 * pi^2 * E * I) / L^2
In plastic analysis of steel structures, what is the shape factor for a rectangular cross-section?
A1.00
B1.15
C1.50
D1.70
Which soil fraction has particle sizes smaller than 0.002 mm according to the MIT / IS soil classification system?
AFine Sand
BSilt
CClay
DGravel
What is the standard size of a modular clay building brick including mortar joint thickness?
A19 cm x 9 cm x 9 cm
B20 cm x 10 cm x 10 cm
C22.5 cm x 11.25 cm x 7.5 cm
D18 cm x 9 cm x 9 cm
The initial setting time of Ordinary Portland Cement (OPC) should not be less than:
A15 minutes
B30 minutes
C45 minutes
D60 minutes
According to IS 456, what is the minimum grade of reinforced cement concrete (RCC) permissible for structural members in moderate exposure conditions?
AM15
BM20
CM25
DM30
In concrete mix design, what is the nominal mix ratio for M20 grade concrete as per standard engineering specifications?
A1 : 3 : 6
B1 : 2 : 4
C1 : 1.5 : 3
D1 : 1 : 2
The aggregate crushing value test measures which physical property of coarse aggregates used in road construction?
AToughness against impact loading
BResistance to surface abrasion
CStrength against gradually applied compressive load
DDurability against weathering action
The shape factor for a solid circular cross-section in plastic design is:
A1.70
B2.00
C1.15
D1.50