# Civil Engineering Test Page = 2

Civil Engineering Question Answers Competitive Exams Online MCQ Quiz Test Page = 2

## Civil Engineering (CE) 2

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 Question 1
Well found ilion are omrnoflIy used as loundation for the following structures
 A Water tanks B Bridges C Buildings D Reciprocating machines
 Question 2
The centre of presiirc ola liquid on a plane surface immersed vertically in a static body of liquid, always lies below the centroid ol the surface area, because
 A In liquids the pressure acting is same in all directions B there is no shear stress in liquids at rest C the liquid pressure is constant over depth D the liquid pressure increases linearly with depth
 Question 3
One of the following statements is true with regards to bodies that float or are submerged in liquids:
 A For a body wholly submerged in a liquid the stability is ensured if the centre of buoyancy is below the centre of gravity of the body B For a body floating in a liquid the stability is ensured if the centre of buoyancy is below the centre of gravity of the body C For a body floating in a liquid the stability is CflS LI red if the centre of buoyany and the centre of gravity, regardless of the relative positions of the centre of L’uoancy and gravity D For a body floating in a liquid the stability is ensured lithe centre of buoyancy is below the Centre 01 grwity and the rnetaccntre is above both the centres of gravity and buoyancy.
 Question 4
The kinetic cnergy correct ion factor kr a fully developed larninir flow through a circular pipe is
 A 1.00 B 1.33 C 2.00 D 1 .50
 Question 5
While deriving an expression for loss of head due to a sudden expansion in a pipe, in addition to the continuity and impulse - momentum equatio,, one of the following assumptions is made:
 A Head loss due to friction is equal to the head loss in eddying motion B The mean pressure in eddying fluid is equal to the downstream pressure C The mean pressure in eddying fluids is equal to the upstream pressure D Head lost in eddies is neglected
 Question 6
A hydraulic turbine develops a power on 10 metric horse power while running at a speed of 100 revolLibons per minute, under a head of 40 m. Its specific speed is nears to one of the fo11owitg
 A 100 B 628 C 523 D 314
 Question 7
A hvetograph is a graph representing
 A rainfall volume with time B rainfall intensity with time C rainfall intensity with duration D rainfall intensity over an area
 Question 8
Mukingham method for routing of flood
 A is used for routing floods through reservoirs B is a method of routing that uses continuity and momentum equations C is a hydrologic method of routing floods through streams D is one is which only energy equation is used
 Question 9
Both Reynolds and Froude numbers assume significance in one of following examples:
 A Motion of submarine at large depths B Motion of ship in deep seas C Cruising of a missile in air D Flow over spillways
 Question 10
For a ‘best’ symmetrical trapezoidal section of an open channel with a given area of section and side slopes, one of the following statements holds true:
 A Half the top width is equal to one of the side slope B Half the top width plus the bottom width is equal to both the side slopes put together C Water depth is equal to half bottom width D Hydraulic mean depth is equal to half the top width
 Question 11
Pathogens are usually removed by
 A chemical precipitation B sedimentation C activated sludge process D chlorination
 Question 12
The ‘sag’ in the dissolved oxygen curve results because
 A it is a function of the rate of addition of oxygen to the stream B it is a function of the rate of depletion of oxygen from the stream C it is a function of both addition and depletion of oxygen from the stream D the rate of addition is linear but the rate of depletion is non-linear.
 Question 13
Design parameters for rapid mixing units are
 A velocity gradient and the volume of mixing basin B viscosity and velocity gradient C viscosity, velocity gradient and the volume of the mixing basin D detention time and viscosity of water
 Question 14
The absorbent most commonly used in water and waste treatment is
 A Sand of grain size from 0.1 to 2 mm B Activated carbon granules of size 0.1 to 2 mm C Ordinary wood shavings of fine size D Coal-tar
 Question 15
Among the following disinfectants of waste water, the one that is most commonly used is
 A Chlorine dioxide B Chlorine C Ozone D UV-radiation
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#### Civil Engineering Test Page = 2

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