Legal Metrology • Civil Engineering Paper-III
Rankine’s theory of earth pressure assumes that the back of the wall is
A)
Plane and smooth
B)
Plane and rough
C)
Vertical and smooth
D)
Vertical and rough
Rankine theory assumes a vertical, smooth wall with no wall friction.
Legal Metrology • Civil Engineering Paper-III
The wedge-shaped bricks forming an arch ring, are called:
A)
Soffits
B)
Voussoirs
C)
Haunches
D)
Spandrils
Based on established principles in Civil Engineering, the correct and most clinically/technically appropriate choice is 'Voussoirs' (Option B).
Legal Metrology • Civil Engineering Paper-III
Remote sensing techniques make use of the properties of emitted, reflected or diffracted by the sensed objects:
A)
Electric waves
B)
Sound waves
C)
Electromagnetic waves
D)
Wind waves
Remote sensing relies on electromagnetic radiation reflected/emitted/scattered by objects.
Legal Metrology • Civil Engineering Paper-III
During the construction period, price variation clause in contracts caters to
A)
Increase in rates of only important materials
B)
Variation in cost in materials element, labour element and petrol-oil-lubricant element
C)
Variation in total cost of the project on an ad hoc basis
D)
Rate of inflation
In the context of Management & Public Administration, the most appropriate and technically accurate answer is 'Variation in cost in materials element, labour element and petrol-oil-lubricant element' (Option B).
Legal Metrology • Civil Engineering Paper-III
Skempton’s pore pressure coefficient B for fully saturated soil is
A)
1
B)
0
C)
Between 0 and 1
D)
>1
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Between 0 and 1' (Option C).
Legal Metrology • Civil Engineering Paper-III
For determine the specific gravity of soil solids, using a pycnometer of 500 cc., the following data is available: Weight of dry empty pycnometer = 125 g Weight of dried soil and pyenometer = 500 g Weight of dried soil and distilled water filled in pycnometer up to top = 850 g. The specific gravity of soil solids, is
A)
2
B)
2.25
C)
2.50
D)
2.75
Specific gravity = W_s/[W_water equivalent] = 375/(500−350)=2.5.
Legal Metrology • Civil Engineering Paper-III
The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter, is known:
A)
liquid limit
B)
plastic limit
C)
shrinkage limit
D)
permeability limit.
The plastic limit is the water content at which a soil thread about 3 mm in diameter begins to crumble.
Legal Metrology • Civil Engineering Paper-III
If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then
A)
The liquid limit of soil always increases.
B)
The liquid limit of soil always decreases.
C)
The liquid limit of soil may increase.
D)
The liquid limit of soil may decrease.
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'The liquid limit of soil always increases.' (Option A).
Legal Metrology • Civil Engineering Paper-III
Which one of the following metamorphic rocks has more weathering resistance characteristics?
A)
Limestone
B)
Phyllite
C)
Quartzite
D)
Slate
Quartzite is a hard, quartz-rich metamorphic rock with excellent weathering resistance.
Legal Metrology • Civil Engineering Paper-III
The rocks which are formed due to cooling of magma at a considerable depth from earth’s surface are called—
A)
Plutonic rocks
B)
Hypabyssal rocks
C)
Volcanic rocks
D)
Metamorphic rocks
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Metamorphic rocks' (Option D).
Legal Metrology • Civil Engineering Paper-III
In the process of the hydration of ordinary Portland cement (OPC), what is the water requirement (expressed as the percentage by weight of cement) to complete the chemical reactions?
A)
15 to 25%
B)
20 to 25%
C)
25 to 35%
D)
35 to 45%
In the context of Civil Engineering, the most appropriate and technically accurate answer is '25 to 35%' (Option C).
Legal Metrology • Civil Engineering Paper-III
Pick up the correct statement from the following:
A)
An unconfined compression test is a special case of triaxial compression test
B)
An unconfined compression test is a special case of direct shear test
C)
The confining pressure is maximum during an unconfined compression test
D)
The cylindrical specimen of a soil is subjected to major principal stress till it fails due to shearing along the plane of the failure.
An unconfined compression test is a special triaxial-type test with zero confining pressure; failure occurs under axial load.
Legal Metrology • Civil Engineering Paper-III
Rise of water table above the ground surface causes
A)
Equal increase in pore water pressure and total stress.
B)
Equal decrease in pore water pressure and total stress.
C)
reduces both pore water pressure and total stress.
D)
Decrease in pore water pressure but increase in total stress.
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Decrease in pore water pressure but increase in total stress.' (Option D).
Legal Metrology • Civil Engineering Paper-III
The maximum total settlement for isolated foundations on clayey soils should be limited to
A)
25mm
B)
40mm
C)
65mm
D)
100mm
In the context of Civil Engineering, the most appropriate and technically accurate answer is '65mm' (Option C).
Legal Metrology • Civil Engineering Paper-III
In the following, select one that is not an assumption involved in Terzaghi’s theory of one-dimensional consolidation.
A)
Soil is homogeneous and fully saturated.
B)
Water and soil particles are incompressible.
C)
Deformation of the soil is entirely due to changes in volume.
D)
Soil properties change with chemical or biological effects.
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Deformation of the soil is entirely due to changes in volume.' (Option C).
Legal Metrology • Civil Engineering Paper-III
Soil transported by wind is called
A)
Aeolian soil
B)
Alluvial soil
C)
Marine soil
D)
Locustrine soil
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Marine soil' (Option C).
Legal Metrology • Civil Engineering Paper-III
The maximum shear stress occurs on the filament which makes an angle with the horizontal plane equal to
A)
30°
B)
45°
C)
60°
D)
90°
Maximum shear stress in a simple state of stress occurs on planes at about 45° to the principal plane.
Legal Metrology • Civil Engineering Paper-III
Which of the following earth moving machines has the shortest cycle time?
A)
Drag line
B)
Hoe
C)
Clam shell
D)
Dipper shovel
In the context of Unmapped / long tail, the most appropriate and technically accurate answer is 'Hoe' (Option B).
Legal Metrology • Civil Engineering Paper-III
The columns of conventional multi-storeyed buildings are designed NOT to withstand the forces due to
A)
Dead loads
B)
Live loads
C)
Wind loads
D)
Explosions
Based on established principles in Civil Engineering, the correct and most clinically/technically appropriate choice is 'Dead loads' (Option A).
Legal Metrology • Civil Engineering Paper-III
The ultimate consolidation settlement of a structure resting on a soil
A)
Decreases with the increase in the initial voids ratio
B)
Decreases with the decrease in the plastic limit
C)
Increases with the increase in the initial voids ratio
D)
Increases with the decrease in the porosity of the soil
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Increases with the increase in the initial voids ratio' (Option C).
Legal Metrology • Civil Engineering Paper-III
Which of the following has more fire resisting characteristics?
A)
Marble
B)
Limestone
C)
Compact sandstone
D)
Granite
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Granite' (Option D).
Legal Metrology • Civil Engineering Paper-III
Which of the following types of stone is used in the rubble masonry?
A)
Hard
B)
Shallow
C)
Clay
D)
Smooth
Rubble masonry uses irregular but hard stone.
Legal Metrology • Civil Engineering Paper-III
The crushing strength (MPa) of a good stone used for construction of a building must not be less than
A)
10
B)
50
C)
100
D)
120
Based on established principles in Civil Engineering, the correct and most clinically/technically appropriate choice is '50' (Option B).
Legal Metrology • Civil Engineering Paper-III
The active earth pressure of a soil is proportional to (where @ is the angle of friction of the soil) __
A)
tan(45°+ @)
B)
tan (45° - @)
C)
tan^2 (45°+ @/2)
D)
tan^2 (45°- @/2)
Rankine active earth-pressure coefficient is K_a = tan²(45°−φ/2).
Legal Metrology • Civil Engineering Paper-III
A mortar joint in masonry which is normal to the face of wall is known as
A)
Bed joint
B)
Wall joint
C)
Cross joint
D)
Bonded joint
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Wall joint' (Option B).
