Engineering
Engineering MCQs With Answers
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A Unit Hydrograph is a direct runoff hydrograph resulting from how many units of effective rainfall falling uniformly over a watershed?
A1 mm
B1 cm
C1 m
D10 cm
In structural design, slenderness ratio of a compression member is the ratio of its effective length to its:
ATotal cross-sectional depth
BLeast radius of gyration
CLeast moment of inertia
DFlange width
Lacey’s regime theory for alluvial channel design is applicable when the channel carries:
AClear water in rigid non-erodible boundaries
BSilt-laden water in self-formed mobile boundaries
CCoarse gravel in steep mountain slopes
DSewage flow in underground concrete pipes
Duty of irrigation water is expressed in which of the following units?
ACumees / hectare
BHectares / cumec
CMeters / second
DHectares / meter
In project management networks, PERT analysis assumes that activity durations follow which probability distribution?
ANormal Distribution
BBeta Distribution
CPoisson Distribution
DExponential Distribution
In CPM network analysis, total float of an activity is defined as:
AMaximum time an activity can be delayed without delaying project completion
BTime by which an activity can be delayed without affecting successor's early start
CDifference between optimistic and pessimistic time estimates
DExtra time allocated for resource smoothing
According to WHO standards, what is the maximum permissible limit of fluoride concentration in drinking water to prevent fluorosis?
A0.5 mg/L
B1.5 mg/L
C3.0 mg/L
D5.0 mg/L
What is the standard incubation period and temperature for measuring 5-day Biochemical Oxygen Demand (BOD5)?
A3 days at 27°C
B5 days at 20°C
C7 days at 25°C
D10 days at 30°C
In water treatment plants, the addition of alum as a coagulant works primarily by:
ADisinfecting harmful pathogenic bacteria
BNeutralizing electrical charges on fine colloidal particles to promote flocs
CSoftening hard water by removing calcium ions
DAdjusting pH towards highly alkaline levels
As per Indian Roads Congress (IRC) recommendations, what is the maximum superelevation provided on plain and rolling terrain highways?
A4%
B7%
C10%
D12%