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Civil Quiz 5
Photo catalysis uses which of the following methods to produce free radicals?
UV rays
UV + TiO2
Ozone + UV
TiO2
In order to provide colour, hardness and strength to the cement, the ingredient used is
silica
iron oxide
alumina
lime
The two opposite motion that comprise a single reciprocation is called
Stokes
Auto motion View Answer
Fluid motion
Turbocharger
Bacteria and micro organisms present in the water will cause _________ in human and animals.
Indigestion
Brain tumour
Cancer
Intestinal tract
Which of the below cannot be used to measure vertical heights?
Transit
Self level
Aneroid barometer
Hypsometer
What is maximum cutting depth of the wheel type trenching machine?
2 m
1.7 m
3 m
4.7 m
When the particles of soil are oriented 'edge to edge' or 'edge to face' with respect to one another, the soil is said to have
flocculent structure
single grained structure
honey-combed structure
double grained structure
The method of rock forming is called as
rock cycle
weathering cycle
rock formation
magma cycle
The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called
Windrow
None of these
Plateau
A heap
The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)
2gH
2gh)
H × g)
2g × H
"Which of the following ratio is to ""estimate the value added by given knowledge assets regardless of where they are located""?"
None of the given options
Return on investment
Return-on-equity
Return-on-knowledge
The value of specific gravity for Garnet sand is ____
5.1
4.2
2.1
3.6
Direction is a ________ function performed by all the managers at all levels of the organization.
Organizational
Managerial
None of the above
Both (A) and (B)
A beam is said to be of uniform strength, if
B.M. is same throughout the beam
Shear stress is the same through the beam
Deflection is the same throughout the beam
Bending stress is the same at every section along its longitudinal axis
Which cement is used to store for longer duration in wet climatic conditions?
Hydrophobic Cement
Ordinary Portland cement
Quick Setting Cement
Expansive Cement
The amount of residual chlorine in treated water is determined by the
Iodemetric test
Amperometric test
all of these
Orthotolodine test
Elevation of airport site above MSL is a factor that controls airport size.
TRUE
Both A and B
None of the above
FALSE
What is the formula of radius of gyration?
k2 = I/A
k2 = I2/A
k2 = I2/A2
k2 = (I/A)1/2
A point is 7 units away from the vertical plane and horizontal plane 9 units away from profile plane in 1st quadrant then the projections are drawn on paper the distance between the front view and top view of point is
16
15
14
27
. _________ is defined mathematically as the line integral of the tangential velocity about a closed path (contour).
Circulation
None of the above.
Either of the above
Vorticity
A circular slab subjected to external loading, deflects to form a
Paraboloid
Semi-hemisphere
Ellipsoid
None of these
A composite section of R.C.column 300mm_____300mm in section having 20mm diameter 4 bars, one at each corner. Strength of concrete is 5 N/mm2 and modular ratio Es/Ec=9. Calculate load taken by column.
400 KN
150 KN
200 KN
500 KN
If R is the reaction on the bearing plate, the minimum moment of. inertia of the bearing stiffener provided at the support of a plate girder of overall depth D, the maximum thickness of the compression flange T, carrying total load W, is
(D3T/250) × (R/W)
(DT/250) × (W/R)
(D²/250) × (R/W)
(DT/250) × (R/W)
A Cube is placed on horizontal plane such that one of the space diagonal is perpendicular to horizontal plane the top view will be
hexagon
octagon
square
rectangle
If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water-cement ratio is 0.6, the weight of water required for harsh mix is
12 kg
14 kg
10 kg
8 kg
The unit of energy in S.I. units is
watt
joule
dyne
kg - m
Permanent hardness of water can be removed by
Zeolite process
Adding chlorine
Adding lime
Adding alum
interests of all others concerned
caring
be courage
be honest
live peacefully
Three basic raw materials which are needed in large quantities for production of steel are
Iron ore, carbon and lime stone
Iron ore, carbon and sulphur
Iron ore, coal and sulphur
Iron ore, coal and lime stone
The precipitation caused by natural rising of warmer lighter air in colder and denser surroundings, is called
convective precipitation
cyclonic precipitation
none of these
orographic precipitation
The body will sink down if the force of buoyancy is
equal to
less than
None of the above
more than