Legal Metrology • 2018 • Civil Engineering Paper-II
Direct step method of computation for gradually varied flow is
A)
applicable to non-prismatic channels
B)
applicable to prismatic channels
C)
applicable to both prismatic and non-prismatic channels
D)
not applicable to both prismatic and non-prismatic channels
The correct choice is B (applicable to prismatic channels), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
Surface tension of water
A)
Increases with decrease in temperature
B)
Decreases with decrease in temperature
C)
Increases with increase in temperature
D)
Independent of temperature
The correct choice is A (Increases with decrease in temperature), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
Steel pipes are
A)
Easily affected by acidic and alkaline atmospheric effects
B)
Enable to withstand high negative pressure
C)
Liable to quick rusting
D)
All of these
The correct choice is D (All of these), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
Which of the following sewage treatment methods has inherent problems of odour, ponding and fly nuisance ?
A)
UASM system
B)
Activated sludge process
C)
Trickling filters
D)
Stabilization ponds
The correct choice is D (Stabilization ponds), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
Dissolved oxygen in streams is
A)
Minimum at noon
B)
maximum at noon
C)
maximum at midnight
D)
same throughout the day
The correct choice is B (maximum at noon), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
Zone of aeration in a ground profile does not include
A)
Capillary zone
B)
Intermediate zone
C)
Saturation zone
D)
Soil water zone
The correct choice is C (Saturation zone), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
Two primary air pollutants are
A)
sulphur oxide and ozone
B)
nitrogen oxide and peroxyacetylnitrate
C)
sulphur oxide and hydrocarbon
D)
ozone and peroxyacetylnitrate
The correct choice is C (sulphur oxide and hydrocarbon), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
Critical depth at a section of a rectangular channel is 1.5 m. the specific energy of that section is
A)
0.75 m
B)
1.00 m
C)
1.50 m
D)
2.25 m
The correct choice is D (2.25 m), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
From amongst the following sewage treatment options, largest land requirements for a given discharge will be needed for
A)
trickling filter
B)
anaerobic pond
C)
oxidation ditch
D)
oxidation pond
The correct choice is D (oxidation pond), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
For a given discharge in an open channel, there are two depths which have the same specific energy. These two depths are known as
A)
alternate depths
B)
critical depths
C)
normal depths
D)
sequent depths
The correct choice is A (alternate depths), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
A person standing on the bank of a canal drops a stone on the water surface. He notices that the disturbance on the water surface is not travelling upstream. This is because the flow in the canal is
A)
sub-critical
B)
super-critical
C)
steady
D)
uniform
Correct option B: super-critical.
Legal Metrology • 2018 • Civil Engineering Paper-II
Co-efficient of discharge can be expressed as,
A)
Cc. Cv
B)
Cv/Cc
C)
Cc /Cv
D)
Cc. Cv
The correct choice is A (Cc. Cv), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to
A)
Non-carbonate hardness
B)
Total alkalinity
C)
Total hardness
D)
Total hardness- total alkalinity
The correct choice is B (Total alkalinity), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
A watershed got transformed from rural to urban over a period of time. The effect of urbanization on storm runoff hydrograph from, the watershed is to
A)
decrease the volume of runoff
B)
increase the time to peak discharge
C)
decrease the time base
D)
decrease the peak discharge
The correct choice is C (decrease the time base), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
The ratio of actual evapo-transpiration to potential evapo-transpiration is in the rage
A)
0.0 to 0.4
B)
0.6 to 0.9
C)
0.0 to 1.0
D)
100 to 2.0
The correct choice is C (0.0 to 1.0), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
A dam reservoir, catering to flood control, irrigation, and water supply, although basically designed for irrigation alone, is a
A)
Distribution reservoir
B)
Multipurpose reservoir
C)
Single purpose reservoir
D)
None of these
The correct choice is B (Multipurpose reservoir), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
The diameter of a circular sewer laid at a slope of 1 in 400 when it is running half full and with a velocity of 1.9 m/s (n in manning’s formula = 0.012) will be
A)
0.012 m
B)
0.70 m
C)
1.12 m
D)
1.23 m
The correct choice is B (0.70 m), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
Cavitations is caused by
A)
High pressure
B)
High temperature
C)
High velocity
D)
Low pressure
The correct choice is D (Low pressure), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
Water flow at a depth of 0.1m with a velocity of 6 m/s in a rectangular channel. The alternate depth is
A)
0.30 m
B)
0.40 m
C)
0.60 m
D)
0.80 m
Correct option B: 0.40 m.
Legal Metrology • 2018 • Civil Engineering Paper-II
Turbulent flow generally occurs
A)
At very low velocities
B)
In flows of high viscous fluids
C)
In flows through very narrow passages
D)
In flow at high velocities through large passage
The correct choice is D (In flow at high velocities through large passage), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-II
The organism, which exhibits very nearly the characteristics of an ideal pathogenic indicator is
A)
Entamoeba histolytica
B)
Escherichia coli
C)
Salmonella typhi
D)
Vibrio comma
The correct choice is B (Escherichia coli), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
The square root of the ratio of moment of inertia of the cross-section to its cross- sectional area is called
A)
second moment of area
B)
slenderness ratio
C)
section modulus
D)
radius of gyration
Correct option D: radius of gyration.
Legal Metrology • 2018 • Civil Engineering Paper-I
At the point of application of a point load on a beam, there is
A)
Maximum bending moment
B)
Maximum deflection
C)
Point of contraflexure
D)
Sudden change of shape of bending moment diagram
Correct option D: Sudden change of shape of bending moment diagram.
Legal Metrology • 2018 • Civil Engineering Paper-I
Modulus of toughness is the area of the stress-strain diagram up to
A)
Limit of proportionality
B)
Rupture point
C)
Yield point
D)
None of these
The correct choice is B (Rupture point), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
Modulus of Rigidity is defined as
A)
Stress to strain
B)
Stress to volumetric strain
C)
Longitudinal stress to strain
D)
Shear stress to shear strain
The correct choice is D (Shear stress to shear strain), consistent with standard C++ language rules.
