Legal Metrology • Civil Engineering Paper-III
Assertion A: For identical strength, a composite cement-lime mortar is preferred over cement mortar. Reason R: Composite cement-lime mortar has higher drying shrinkage than cement mortar. Select your answer based on the codes given below:
A)
Both A and R is true and R is the correct explanation of A
B)
Both A and R is true but R is not a correct explanation of A
C)
A is true but R is false
D)
A is false but R is true
Based on established principles in Civil Engineering, the correct and most clinically/technically appropriate choice is 'A is true but R is false' (Option C).
Legal Metrology • Civil Engineering Paper-III
The coefficient of curvature is expressed as
A)
D60/D10
B)
D30/D10
C)
D30^2 / (D60 x D10)
D)
D60^2 / (D30 x D10)
Coefficient of curvature Cc=D30²/(D10D60).
Legal Metrology • Civil Engineering Paper-III
Calculate the year’s purchase for a property of useful life of 30 years and rate of interest of 5% per annum.
A)
0.02
B)
0.2
C)
2
D)
20
Based on established principles in this specific field of study, the correct and most clinically/technically appropriate choice is '0.2' (Option B).
Legal Metrology • Civil Engineering Paper-III
What is the main reason to use lime in the cement slurry during the plastering in the topcoat?
A)
To make the surface bright.
B)
To harden the cement.
C)
To make the plaster non-shrinkable.
D)
To improve the workability of plaster.
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'To make the plaster non-shrinkable.' (Option C).
Legal Metrology • Civil Engineering Paper-III
The aggregate is called fine aggregate if it is completely retained on
A)
0.15 mm sieve
B)
0.30 mm sieve
C)
2.36mm sieve
D)
4.75 mm sieve
Based on established principles in Civil Engineering, the correct and most clinically/technically appropriate choice is '2.36mm sieve' (Option C).
Legal Metrology • Civil Engineering Paper-III
A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm3. If the specific gravity of soil particles and water are 2.7 and 1.0, the degree of saturation of the soil is
A)
11.1%
B)
55.6%
C)
69.6 %
D)
72.5%
With γ_bulk=2.0, w=0.10 and Gs=2.7, e≈0.485 and S=wGs/e≈0.556≈55.6%.
Legal Metrology • Civil Engineering Paper-III
In ordinary cement, about 99% of its final strength is achieved in
A)
3 days
B)
7 days
C)
28 days
D)
1 year
In the context of Civil Engineering, the most appropriate and technically accurate answer is '28 days' (Option C).
Legal Metrology • Civil Engineering Paper-III
Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?
A)
Measuring angle and distance from one transit station
B)
Measuring angles to the point from at least two stations
C)
Measuring angle at one station and distance from other
D)
Measuring distance from two points on traverse line
To locate a distant detail, observe angles from at least two known stations and intersect the rays.
Legal Metrology • Civil Engineering Paper-III
The hydraulicity of the hydraulic lime is mainly due to
A)
calcium oxide
B)
clay
C)
sulphur
D)
water
Hydraulicity of lime comes from clay/siliceous and aluminous impurities that form hydraulic compounds.
Legal Metrology • Civil Engineering Paper-III
The service area in a building does not include the area occupied by:
A)
Stairs
B)
Toilets
C)
Light and shafts
D)
Mechanical rooms
Based on established principles in this specific field of study, the correct and most clinically/technically appropriate choice is 'Toilets' (Option B).
Legal Metrology • Civil Engineering Paper-III
There are two stations A and B. Which of the following statements is incorrect?
A)
The fore bearing of AB is equal to the back bearing of BA.
B)
The fore bearing of AB is always measured clockwise from the north direction.
C)
The back bearing of AB is the opposite direction of its fore bearing.
D)
The sum of the fore bearing of AB and the back bearing of BA is 180°.
The sum of the fore bearing of AB and the back bearing of BA is not generally 180°; the correct back bearing relation is a ±180° relation to the same line.
Legal Metrology • Civil Engineering Paper-III
The vane shear test is used for the in-situ determination of the undrained strength of the intact fully saturated:
A)
sands
B)
clays
C)
gravels
D)
highly organic soils
Vane shear is an in-situ test for undrained shear strength of saturated cohesive soil, especially clay.
Legal Metrology • Civil Engineering Paper-III
A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels: 25000 kg, Scraper wheels: 10000 kg. If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is
A)
10000 kg
B)
12500 kg
C)
22500 kg
D)
5000 kg
In the context of Unmapped / long tail, the most appropriate and technically accurate answer is '22500 kg' (Option C).
Legal Metrology • Civil Engineering Paper-III
For determining the moisture content of a soil sample, the following data is available; Weight of container = 260 g, Weight of soil sample and container = 320 g, Weight of soil sample (dried) and container = 310 g. The moisture content of the soil sample, is
A)
15%
B)
18%
C)
20%
D)
25%
Water mass = 320−310=10 g; dry soil mass =310−260=50 g; moisture content =10/50×100=20%.
Legal Metrology • Civil Engineering Paper-III
Plumb bob lines at two different places in geodetic surveying will
A)
intersect at the surface of the Earth
B)
intersect at the center of the Earth
C)
parallel to each other
D)
perpendicular to each other
Based on established principles in Civil Engineering, the correct and most clinically/technically appropriate choice is 'parallel to each other' (Option C).
Legal Metrology • Civil Engineering Paper-III
Consider the following statements: 1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks. 2. Lime mortar possesses poor workability and poor water retentivity and suffers high shrinkage. 3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar. Which of these statements are correct?
A)
1, 2 and 3
B)
1 and 2
C)
2 and 3
D)
1 and 3
Based on established principles in Civil Engineering, the correct and most clinically/technically appropriate choice is '2 and 3' (Option C).
Legal Metrology • Civil Engineering Paper-III
The red colour obtained by the bricks is due to the presence of:
A)
lime
B)
silica
C)
manganese
D)
iron oxide
The presence of iron oxide imparts the characteristic red color to fired bricks.
Legal Metrology • Civil Engineering Paper-III
Calculate the volume (cubic meter) of earthwork for an embankment of length 30 m and width 4 m. The mean depth of the embankment is 4 m and the side slope is 2 : 1. Using mid-sectional area method.
A)
480
B)
960
C)
1440
D)
1920
Based on established principles in Civil Engineering, the correct and most clinically/technically appropriate choice is '960' (Option B).
Legal Metrology • Civil Engineering Paper-III
In time-cost optimization of a project, crashing is done——
A)
On all the activities
B)
On all the activities lying on the critical path
C)
Only on activities lying on the original critical path and having flatter cost slopes
D)
On original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope
In the context of Management & Public Administration, the most appropriate and technically accurate answer is 'Only on activities lying on the original critical path and having flatter cost slopes' (Option C).
Legal Metrology • Civil Engineering Paper-III
Which of the following methods of contouring is most suitable for a hilly terrain?
A)
Direct method
B)
Square method
C)
Cross-sections method
D)
Tachometric method
Tacheometric contouring is efficient in hilly terrain because it rapidly captures horizontal distance and elevation differences over rough ground.
Legal Metrology • Civil Engineering Paper-III
If t is the duration of an activity, t_f is the latest finish possible moment of its seep activity and t_s is the earliest start possible moment, the independent float of the activity is
A)
(t_f-t_s)-t
B)
t-(t_f-t_s)
C)
(t_f+t_s)-t
D)
t+(t_f -t_s)
In the context of Management & Public Administration, the most appropriate and technically accurate answer is '(t_f+t_s)-t' (Option C).
Legal Metrology • Civil Engineering Paper-III
When a brick is cut into two halves longitudinally, one part is called—
A)
king closer
B)
cornice brick
C)
queen closer
D)
voussoir
Based on established principles in Civil Engineering, the correct and most clinically/technically appropriate choice is 'voussoir' (Option D).
Legal Metrology • Civil Engineering Paper-III
An excavator costs Rs. 20,00,000 and has an estimated life of 8 years. It has no salvage value at the end of 8 years. The book value of the excavator at the end of 3 years using general double declining balance method is—
A)
Rs. 8,43,750
B)
Rs. 8,75,000
C)
Rs. 10,50,000
D)
Rs. 11,56,250
In the context of Unmapped / long tail, the most appropriate and technically accurate answer is 'Rs. 8,75,000' (Option B).
Legal Metrology • Civil Engineering Paper-III
What is the expression for raw density (p) in terms of bulk density (pb) and water content (w)?
A)
p = pb + w
B)
p = pb - w
C)
p = (pb/w) + 1
D)
p = pb / (1 + w)
Dry/raw density relates to bulk density by ρ_d=ρ_b/(1+w).
Legal Metrology • Civil Engineering Paper-III
Pick up the correct statement from the following:
A)
Plain cement concrete is equally strong in compression as well as in tension.
B)
Slump test is performed to check concrete strength.
C)
Curing of concrete is done for proper compaction of cement.
D)
Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates.
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Slump test is performed to check concrete strength.' (Option B).
