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Civil Quiz 18
The plywood
Cannot be bent more easily than ordinary wood of same thickness
Has good strength along the panel only
Has greater impact resistance to blows than ordinary wood
Can be spilt in the plane of the panel
Magnetic coupled pumps are also called as
Parallel pumps
Froth pumps
Series pumps
Drive pumps View Answer
Which of the following is type of cofferdam?
Suspended cofferdam
Cellular cofferdam
Rock-filled crib cofferdam
All of the above
What is the full form of NPSH in a pump?
Non-pressure suction head
Net pressure super head View Answer
Net pressure suction head
Net positive suction head
A company that decides to decentralize its sales procedures is managing what change category?
Technology
People
Structure
Competitors
Total quantity of light emitted from a point source of light per second is called____________
Lumen
luminous flux
Illuminance
luminous intensity
What is rebound (in %) for horizontal walls?
5 to 15
10 to 25
25 to 35
20 to 50
Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 150C to 400what will be developed?
Shear stress
Compressive stress
Tensile stress
No stress
In case of small channels, the borrow pits should start from a distance not less than
5 m
3 m
2 m
4 m
For manometer, a better liquid combination is one having
Surface tension is no criterion
High density and viscosity
Higher surface tension
Lower surface tension
If the slump of concrete mix is 70 mm, its workability is considered to be
very low
medium
high
low
The factor which effect the design of concrete mix is
slump
fineness modulus
all of these
water-cement ratio
A turbine is a
Electrical device
Rotary mechanical device
Static pressure drop device
Static temperature device
is used to measure flows to domestic buildings.
water meter
rain gauge
drainpipe
water tank
23units.
25
13
25.6
17.69
Rupture stress is
maximum load/original cross-sectional area
load at breaking point/neck area
load at breaking point/A
breaking stress
A camber of 1 in 30 means that for a 30 m wide road, the crown of the road will be
0.5 m
1 m
Both A and B
None of the above
Poisson's ratio of steel is
0.1
1
2
0.3
As far as safer handling is considered, which of the following is used for fluoridation?
Sodium fluoride
Sodium fluro carbonate
Sodium silico 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
quoin
sill
reveal
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
module
none of these
flume
meter
The cross hairs in the surveying telescope are placed
anywhere between eye-piece and objective lens
much closer to the objective lens than to the eye piece
midway between eye piece and objec¬tive lens
much closer to the eye-piece than to the objective 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
None of these
1.47
1.91
1.82
What function does iron oxide perform in cement?
Makes cement sound
Acts as flux
Increases setting time
Increases strength
Quartzite is a
Siliceous rock
Argillaceous rock
Calcareous rock
Metamorphic 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
3
9
Modern pile driving method was first invented by
romans
nasmyth
vitruvious
terzaghi
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
2 and 3 are correct
1 and 2 are correct
1 and 4 are correct
3 and 4 are correct
The relation between probability (P) and recurrence interval (T) is given by
P/T = 1
PT = 1
PT2 = 1
P/T2 = 1
Which is a good formwork?
All of the above
Easy Removal
Less leakage
Economical