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Civil Quiz 43
To prevent the product flow in the wrong direction which of the following valve is used?
seat valve
butterfly valve
seat valve and butterfly valve
check valve
Two contour lines of different elevation do not cross each other.
TRUE
FALSE
none
all
The degree of consolidation is proportional directly
to time and inversely to drainage path
to drainage path and inversely to time
to time and inversely to the square of drainage path
to square of drainage path and inversely to time
If the pressure at any point in the liquid approaches the vapour pressure, the liquid starts vapourising and creates pockets or bubbles of dissolved gases and vapours. This phenomenon is known as
adhesion
surface tension
vaporisation
cavitation
The product of mechanical efficiency and hydraulic efficiency is known as?
Mechanical efficiency
Volumetric efficiency
Hydraulic efficiency
Overall efficiency
The maximum limit of superelevation prescribed by Indian railways on narrow gauge is same as that on metre gauge.
Agree
Disagree
Both A and B
None of the above
Wisdom (prudence), courage (fortitude), temperance and justice.
cardinal virtues
proficiency virtues
team-work virtues
public-spirited virtues
Which are the sickness that cannot arise due to working in pneumatic caisson?
Dizziness
Diarrhea
Headache
Trouble in speaking
In which system of water supply, water is available for 24 hours but uneconomically used?
continuous supply
fixed supply
intermittent supply
low supply
Compression of soil occurs rapidly if voids are filled with
Air
Water
Partly with air and partly with water
None of these
Which of these is not a way to prevent intergranular corrosion?
Reduction of carbon level
Quenching
Addition of carbide forming elements
Reduction of alloying elements
The construction industry has accounted for about .........% of all occupational injuries
20
25
11
5
The process of consolidating concrete mix after placing it in position is termed as
curing
wetting
compaction
none of these
For the design of gravity dam, the minimum value of F(factor of safety) against sliding should be
2
1.5
0.5
4
Greater the super-elevation, more will be convenience to the slow moving traffic.
Right
Wrong
Both A and B
None of the above
In tachcometric method of setting out a curve, no chain or tape is used.
TRUE
FALSE
Both A and B
None of the above
How many impellers does a multistage centrifugal pump have?
Zero
One
Exactly two
Two and more View Answer
The exterior angle or corner of a wall is known as quoin.
Right
Wrong
Both A and B
None of the above
A treadle bar is used for
Interlocking points and signal
Setting points and crossings
Setting marshalling yard signals
Track maintenance
What is the dimension for Darcy's friction factor?
kg/m
N/mm
kg
Dimensionless View Answer
The vacuum pressure is always the negattive gauge pressure.
Yes
No
Both A and B
None of the above
Concept of Quality Control depends on
Quality Control
Quality Assurance
Quality Management
All the above
Which of the following have an influence on the value of permeability?
Grain size
Void ratio
Degree of saturation
all of these
In a flat arch, the skew back is made to rest in an inclined position so as to make an angle of
30?
40?
50?
60?
The headquarter of the Indian Roads Congress is at
Mumbai (Bombay)
Kolkata (Calcutta)
Chennai (Madras)
New Delhi
How many types of wastewater treatment plants are there based on the type of wastewater?
5
4
2
3
In the calculation of the radius of gyration, we use intensity of loadings. So whenever the distributed loading acts perpendicular to an area its intensity varies __________
Linearly
Non-Linearly
Parabolically
Cubically
In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta.
Less than
More than
Equal to
None of these
The degree of grinding of cement is called
fineness
soundness
impact value
bulking
The ease and certainty with which an eye can seen an object is called____________
glare
visual task
candela
Lumen
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