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Civil Quiz 6
What is say about friction between sample sizes to total item in a lot?
Variance
None of the above
Standard deviation
Sampling fraction
In a screw jcak, the effort required to lower the load is
None of the above
equal to
more than
less than
A ship is berthed in a chamber and lifted by principles of buoyancy, such a chamber is called.
Floating dock
Refuge dock
Dry dock
Wet dock
A map indicates roads, highways, towns and the interrelationship is an ______model
analogue
none of the above
Iconic
mathematical
Originally, Rankine's theory of lateral earth pressure can be applied to only
cohesion less soil
coarse grained soil
fine grained soil
cohesive soil
The rise, in water level, which occurs during the transformation of the unstable shooting flow to the stable streaming flow is called hydraulic jump.
Yes
No
None of the above
Both A and B
What is the product of sectional modulus and allowable bending stress called as?
Moment of rigidity
Moment of resistance
Radius of gyration
Moment of inertia
Which of the following statements is correct with reference to an impeller with backward curved vanes?
It has a falling head - discharge characteristic.
It has rising head - discharge characteristic
It is easier to fabricate.
It cannot run at speeds other than the design speed.
The flow in which conditions do not change with time at any point, is known as
Steady flow
Turbulent flow
One dimensional flow
Uniform flow
A body of mass m moving with a constant velocity v strikes another body of same mass m moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
2 v
v
8 v
4 v
The variety of pig iron used for manufacture of wrought iron, is
White forge pig
Mottled pig
Bessemer pig
Grey or foundry pig
The lime which contains mainly calcium oxide and slacks with water, is
Poor lime
Hydraulic lime
Quick lime
Fat lime
Self-cleansing velocity is
Velocity of water in a pressure filter
Velocity at which no accumulation remains in the drains
Velocity of water at flushing
Velocity at dry weather flow
In a public building, the stairs should be located near the
centre
end
entrance
toilet
Which of the following gradients exerts maximum influence on properties of steel?
Carbon
Manganese
Sulphur
Iron
LCA associated with a___
Service
Product
Process
All of the above
The end block of a beam has a rectangular section 100mm wide by 200mm deep, the force of cable is 200kn. Find the actual bearing pressure?
40n/mm2
20n/mm2
30n/mm2
10n/mm2
For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is
0.2 x 106
2.4 xlO6
0.6 x 106
7.2 xlO6
Submerged weight of a body is
greater than its weight in air
equal to its weight in air
less than its weight in air
greater than its weight in vacuum
The process of proper and accurate measurement of all concrete materials for uniformity of proportions and aggregate grading is called
mixing
batching
proportioning
grading
The duty of a crop is 432 hectares per cumec when the base period of the crop is 100 days. The delta for the crop will be
100
432
864
200
A line joining some fixed points on the main survey lines, is called a
check line
base line
none of these
tie line
Most commonly used solvent in oil paints, is
Turpentine
Coal tar
Petroleum
Spirit
Grit chambers of a sewage plant are usually changed after
4 weeks
2 weeks
1 day
1 week
Steel tamping rod of 0.6m length and 16 mm diameter is used for tamping of concrete.
FALSE
TRUE
none
all
If support B settles by 1mm downward, what is direction of rotation at point A?
can't say
depends upon loading at point a
#NAME?
#NAME?
The unit of pressure is ___________.
kN/m3
N/m
Pa
no unit
A strainer type well sunk through three previous layers intervened by three impervious aquicludes, draws water from
Lowest pervious layer
All the pervious layers
Top most pervious layer
Central pervious layer
A transition curve when inserted between the tangent and the circular curve
should meet the original straight tangentially
all of the above
should meet the circular curve tangentially
the rate of increase of curvature along the transition curve should be same as that of increase of super-elevation
The rate of doing work is known as
kinetic energy
potential energy
none of these
power
Minimum thickness of steining should be _________ cm.
35
25
45
30