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