Engineering
Engineering MCQs With Answers
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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
Duty of irrigation water is defined as the area of land irrigated per unit of:
AVolume of rainfall (hectares per mm)
BTotal canal length (km per hectare)
CDischarge (hectares per cumec)
DCrop depth (meters per hectare)
Lacey’s regime theory for stable channel design in alluvial soil is applicable when flow is in:
APurely non-scouring supercritical flow
BRigid boundary lined canal
CNon-coherent boundary condition
DTrue regime condition with silt factor f
The critical path in a CPM network diagram represents the sequence of activities having:
AMinimum duration
BMaximum total float
CZero total float and maximum duration
DIndependent float equal to activity time
The soundess of cement is tested to detect excess presence of:
AIron oxide
BFree lime and magnesia
CAlumina and silica
DGypsum content