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Civil Quiz 5
Photo catalysis uses which of the following methods to produce free radicals?
UV + TiO2
UV rays
TiO2
Ozone + UV
In order to provide colour, hardness and strength to the cement, the ingredient used is
silica
iron oxide
lime
alumina
The two opposite motion that comprise a single reciprocation is called
Turbocharger
Fluid motion
Auto motion View Answer
Stokes
Bacteria and micro organisms present in the water will cause _________ in human and animals.
Cancer
Brain tumour
Indigestion
Intestinal tract
Which of the below cannot be used to measure vertical heights?
Transit
Hypsometer
Self level
Aneroid barometer
What is maximum cutting depth of the wheel type trenching machine?
4.7 m
1.7 m
3 m
2 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
honey-combed structure
double grained structure
flocculent structure
single grained structure
The method of rock forming is called as
weathering cycle
rock formation
rock cycle
magma cycle
The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called
None of these
Windrow
A heap
Plateau
The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)
2gH
2gh)
2g × H
H × g)
"Which of the following ratio is to ""estimate the value added by given knowledge assets regardless of where they are located""?"
Return on investment
None of the given options
Return-on-knowledge
Return-on-equity
The value of specific gravity for Garnet sand is ____
5.1
2.1
4.2
3.6
Direction is a ________ function performed by all the managers at all levels of the organization.
None of the above
Organizational
Both (A) and (B)
Managerial
A beam is said to be of uniform strength, if
Bending stress is the same at every section along its longitudinal axis
Deflection is the same throughout the beam
B.M. is same throughout the beam
Shear stress is the same through the beam
Which cement is used to store for longer duration in wet climatic conditions?
Expansive Cement
Hydrophobic Cement
Quick Setting Cement
Ordinary Portland cement
The amount of residual chlorine in treated water is determined by the
Orthotolodine test
Iodemetric test
Amperometric test
all of these
Elevation of airport site above MSL is a factor that controls airport size.
TRUE
FALSE
None of the above
Both A and B
What is the formula of radius of gyration?
k2 = I2/A2
k2 = I2/A
k2 = I/A
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
15
16
27
14
. _________ is defined mathematically as the line integral of the tangential velocity about a closed path (contour).
Vorticity
Either of the above
Circulation
None of the above.
A circular slab subjected to external loading, deflects to form a
Ellipsoid
None of these
Paraboloid
Semi-hemisphere
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.
150 KN
200 KN
400 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
(D²/250) × (R/W)
(DT/250) × (R/W)
(D3T/250) × (R/W)
(DT/250) × (W/R)
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
square
rectangle
octagon
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
8 kg
10 kg
14 kg
12 kg
The unit of energy in S.I. units is
joule
kg - m
watt
dyne
Permanent hardness of water can be removed by
Adding chlorine
Adding alum
Zeolite process
Adding lime
interests of all others concerned
live peacefully
be honest
caring
be courage
Three basic raw materials which are needed in large quantities for production of steel are
Iron ore, coal and sulphur
Iron ore, coal and lime stone
Iron ore, carbon and lime stone
Iron ore, carbon and sulphur
The precipitation caused by natural rising of warmer lighter air in colder and denser surroundings, is called
orographic precipitation
convective precipitation
cyclonic precipitation
none of these
The body will sink down if the force of buoyancy is
less than
more than
equal to
None of the above