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 →
When a column is fixed at one end and hinged at the other end, its effective length (Leff) in terms of actual length ‘L’ is:
A0.5 L
B0.7 L (or L / sqrt(2))
C1.0 L
D2.0 L
In compass surveying, the local attraction at a station is indicated if the difference between fore bearing and back bearing of a line is not equal to:
A90°
B180°
C270°
D360°
For a simply supported beam of span ‘L’ loaded with a point load ‘W’ at midspan, the maximum deflection at midspan is given by:
AW L³ / (48 E I)
BW L³ / (3 E I)
C5 W L³ / (384 E I)
DW L³ / (192 E I)
The section modulus (Z) of a solid circular cross-section of diameter ‘d’ is equal to:
Api * d³ / 16
Bpi * d³ / 32
Cpi * d⁴ / 64
Dpi * d³ / 64
The ratio of maximum shear stress to average shear stress for a circular beam cross-section subjected to shear force is:
A1.33 (4/3)
B1.50 (3/2)
C2.00
D1.15
According to standard structural codes, the maximum strain in concrete at the outermost compression fiber in flexure at limit state of collapse is taken as:
A0.0020
B0.0035
C0.0045
D0.0050
The initial setting time of standard Ordinary Portland Cement (OPC) should not be less than:
A15 minutes
B30 minutes
C60 minutes
D600 minutes
In stone masonry, a vertical joint that continues continuously through two or more consecutive courses is called a:
AThrough stone
BContinuous vertical joint (Defect)
CLacing course
DQuoin
The compressive strength of standard mortar cubes made with Ordinary Portland Cement (OPC) after 7 days of curing should not be less than:
A11.5 N/mm²
B17.5 N/mm²
C22.0 N/mm²
D27.0 N/mm²
In concrete mix design, the compaction factor test is specifically suitable for concrete mixes having:
AHigh to very high workability
BLow to medium workability
CZero workability
DSelf-compacting properties