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.Management Sciences
Category: Civil Engineering Mcqs
A balloon lifting in air follows the following principle_________________?
A. law of gravitation
B. Archimedes principle
C. principle of buoyancy
D. all of the above
E. continuity equation
For design, that length of transition curve should be taken which is_____________?
A. based on allowable rate of change of centrifugal acceleration
B. based on rate of change of super elevation
C. higher of (A) and (B)
D. smaller of (A) and (B)
The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is__________________?
A. 0.40 cm
B. 0.20 cm
C. 0.10 cm
D. 0.05 cm
Assume that boundary layer is entirely laminar
Pick up the incorrect statement from the following?
A. Dimensions are measured to the nearest 0.01 m
B. Areas are measured to the nearest 0.01 sq.m
C. Cubic contents are measured to the nearest 0.1 cum
D. Weights are measured to the nearest 0.001 tonnes
The factor responsible for purification of sewage in river is________________?
A. Hydrology
B. Dissolved oxygen in water
C. Temperature
D. All the above
A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable ?
A. pyramid
B. prism
C. both equally stable
D. none of the above
Dissolved oxygen in streams is______________?
A. maximum at noon
B. minimum at noon
C. maximum at midnight
D. same throughout the day
For treating the sewage of a large city, you will recommend_________________?
A. A sedimentation tank and an activated sludge treatment plant
B. A plant consisting of Imhoff tanks with low rate trickling filters
C. Sedimentation tanks with high rate trickling filters
D. None of these
What refers to the amount of a product made available for sale ?
A. Supply
B. Demand
C. Product
D. Good
The minimum cube strength of concrete used for a pre-stressed member, is________________?
A. 50 kg/cm2
B. 150 kg/cm 2
C. 250 kg/cm2
D. 350 kg/cm2
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