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Civil Quiz 18
The plywood
Cannot be bent more easily than ordinary wood of same thickness
Can be spilt in the plane of the panel
Has good strength along the panel only
Has greater impact resistance to blows than ordinary wood
Magnetic coupled pumps are also called as
Froth pumps
Drive pumps View Answer
Series pumps
Parallel pumps
Which of the following is type of cofferdam?
Suspended cofferdam
Rock-filled crib cofferdam
All of the above
Cellular cofferdam
What is the full form of NPSH in a pump?
Non-pressure suction head
Net positive suction head
Net pressure suction head
Net pressure super head View Answer
A company that decides to decentralize its sales procedures is managing what change category?
Technology
Competitors
Structure
People
Total quantity of light emitted from a point source of light per second is called____________
luminous intensity
Illuminance
luminous flux
Lumen
What is rebound (in %) for horizontal walls?
20 to 50
25 to 35
5 to 15
10 to 25
Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 150C to 400what will be developed?
No stress
Shear stress
Tensile stress
Compressive stress
In case of small channels, the borrow pits should start from a distance not less than
2 m
3 m
4 m
5 m
For manometer, a better liquid combination is one having
Lower surface tension
Higher surface tension
Surface tension is no criterion
High density and viscosity
If the slump of concrete mix is 70 mm, its workability is considered to be
low
very low
high
medium
The factor which effect the design of concrete mix is
water-cement ratio
fineness modulus
all of these
slump
A turbine is a
Rotary mechanical device
Static pressure drop device
Electrical device
Static temperature device
is used to measure flows to domestic buildings.
water tank
drainpipe
rain gauge
water meter
23units.
25.6
17.69
25
13
Rupture stress is
breaking stress
maximum load/original cross-sectional area
load at breaking point/A
load at breaking point/neck area
A camber of 1 in 30 means that for a 30 m wide road, the crown of the road will be
1 m
0.5 m
None of the above
Both A and B
Poisson's ratio of steel is
0.3
0.1
2
1
As far as safer handling is considered, which of the following is used for fluoridation?
Sodium silico fluoride
Sodium fluro carbonate
Sodium fluoride
Hydrofluosilicic acid
The exposed vertical surface left on the sides of an opening after the door or window frame has been fitted in position, is called
jamb
sill
reveal
quoin
A device which ensures a constant discharge of water passing from one channel to another irrespective of water level in each within certain specified limits, is called
meter
module
none of these
flume
The cross hairs in the surveying telescope are placed
much closer to the objective lens than to the eye piece
much closer to the eye-piece than to the objective lens
anywhere between eye-piece and objective lens
midway between eye piece and objec¬tive lens
A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3, is
1.47
1.91
1.82
None of these
What function does iron oxide perform in cement?
Increases strength
Acts as flux
Increases setting time
Makes cement sound
Quartzite is a
Argillaceous rock
Siliceous rock
Metamorphic rock
Calcareous rock
Determine the head over sill of a 90_____ V-notch when the discharge passing over it is 100 lit/sec. consider Cd 0.6.
0.346 cm
3.46 cm
3.46 m
0.346 m
If angle of repose is 30_____ then Coefficient of active earth pressure ka
1-Sep
1-Mar
9
3
Modern pile driving method was first invented by
terzaghi
vitruvious
romans
nasmyth
Consider the following statements: Automatic signalling system results in 1. Greater risk 2. Higher efficiency 3. Avoidance of block instruments 4. Higher operating cost Of these statements
1 and 2 are correct
1 and 4 are correct
3 and 4 are correct
2 and 3 are correct
The relation between probability (P) and recurrence interval (T) is given by
P/T2 = 1
PT2 = 1
P/T = 1
PT = 1
Which is a good formwork?
Economical
Easy Removal
Less leakage
All of the above