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