Engineering
Engineering MCQs With Answers
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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
The principal stress plane in a stressed element is defined as the plane on which:
AMaximum shear stress occurs
BDirect tension equals direct compression
CNormal stress is zero
DShear stress is zero
Plastic modulus of section Zp for a rectangular section of width b and depth d is given by:
Ab * d^2 / 6
Bb * d^2 / 8
Cb * d^3 / 12
Db * d^2 / 4
In steel structure design, slenderness ratio of a compression member is defined as the ratio of effective length to:
ALeast radius of gyration (r_min)
BFlange thickness
CGross cross-sectional area
DDepth of section
The loss of water from soil surface by evaporation and from plants by transpiration is combinedly termed:
AInterception loss
BInfiltration
CEvapotranspiration
DPercolation
The effective length of a column of actual length L fixed at one end and hinged at the other end is:
A1.0 L
B0.5 L
CL / sqrt(2) (approx 0.7 L)
D2.0 L
The graphical representation of discharge versus time at a specific section of a stream is called a:
AHydrograph
BHyetograph
CIsohyetal map
DRating curve