Engineering
Engineering MCQs With Answers
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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
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 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
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 33-grade Ordinary Portland Cement 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
The standard test temperature for the bitumen penetration test is:
A15°C
B25°C
C37°C
D50°C
In soil mechanics, quick conditions are prevented by placing a graded inverted filter on the downstream side, which must satisfy:
AFilter permeability higher than subgrade soil while preventing soil particle migration
BFilter permeability lower than subgrade soil to block water flow
CEqual void ratio for filter and subgrade
DZero fine particle content
The critical velocity ratio (V / Vo) in Kennedy’s silt theory for canal design is defined as:
ARatio of actual mean velocity to critical non-silting non-scouring velocity
BRatio of critical velocity to maximum channel capacity
CRatio of mean depth to hydraulic radius
DRatio of bed shear stress to critical shear stress