Legal Metrology • Paper-III
In the context of flexible pavement design, the ratio of contact pressure tyre pressure is called the Rigidity Factor. This factor is less than unity when the tyre pressure is
A)
less than 0.56 N/mm2
B)
equal to 0.56 N/mm2
C)
equal to 0.7 N/mm2
D)
more than 0.7 N/mm2
Correct option: A — less than 0.56 N/mm2. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
For strengthening of 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable
A)
Providing buttresses at certain intervals
B)
Providing a deeper foundation
C)
Using richer mortar
D)
Using stronger bricks
Correct option: A — Providing buttresses at certain intervals. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The star and Grid pattern of road network was adopted in
A)
Nagpur Road Plan
B)
Lucknow Road Plan
C)
Bombay Road Plan
D)
Delhi Road Plan
Correct option: A — Nagpur Road Plan. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Name the traffic survey data which is plotted by means of Desire lines.
A)
Accident
B)
Classified volume
C)
Origin and Destination
D)
Speed and Delay
Origin–Destination survey data are commonly plotted with desire-line diagrams.
Legal Metrology • Paper-III
Site order book is used for recording
A)
instructions by the executive engineers
B)
construction measurements
C)
issue of store equipments
D)
names of the casual labour
Correct option: A — instructions by the executive engineers. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Bankelman beam deflection method is used for design of
A)
Flexible overlay on flexible pavement
B)
Flexible overlay on rigid pavement
C)
Rigid overlay on rigid pavement
D)
None of these
The Benkelman beam is used for flexible pavement deflection measurements, including flexible overlays.
Legal Metrology • Paper-III
The smallest length that can be drawn on a map is
A)
0.2 mm
B)
0.6 mm
C)
1.0 mm
D)
1.0 cm
Reducing lengths to 90% scales 1:1000 to about 1:1111.
Legal Metrology • Paper-III
The best direction of runway is
A)
Along the direction of the longest line on wind rose diagram
B)
Along the direction perpendicular to the largest line on wind rose diagram
C)
Along 30o to the direction of the longest line on wind rose diagram
D)
Along NW-SE line
Standard runway design uses about 15 m (50 ft) threshold-crossing height for normal landing.
Legal Metrology • Paper-III
Reduction in volume of soil primarily due to squeezing out of water from the void is called
A)
Creep
B)
Plastic flow
C)
Primary consolidation
D)
Secondary consolidation
Correct option: C — Primary consolidation. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
During a CBR test, the load sustained by a remolded soil specimen at 5.00 penetration is 50 kg. The CBR value of the soil will be
A)
10.0%
B)
5.0%
C)
3.6%
D)
2.4%
CBR is load at standard penetration divided by the standard load, giving 5% for the supplied 50 kg value.
Legal Metrology • Paper-III
The curve composed of two arcs of different radii having their centres on the opposite side of the curve, is known
A)
a reverse curve
B)
a compound curve
C)
a simple curve
D)
a vertical curve
Correct option: A — a reverse curve. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
A combined value of flakiness and elongation index is to be determined for a sample of aggregates. The sequence in which the two tests are conducted is
A)
elongation index test followed by flakiness index test on the whole sample
B)
flakiness index test followed by elongation index test on the whole sample
C)
flakiness index test followed by elongation index test on the non-flaky aggregates
D)
elongation index test followed by flakiness index test on non-elongated aggregates
Correct option: C — flakiness index test followed by elongation index test on the non-flaky aggregates. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The minimum design speed for hairpin bends in hill road is taken as
A)
10kmph
B)
20kmph
C)
30kmph
D)
40kmph
Hairpin bends on hill roads are designed for a low speed, commonly 20 km/h.
Legal Metrology • Paper-III
The ratio of saturated unit weight of dry unit weight of soil is 1.25. If the specific gravity of solids (Gs) is 2.65, the void ratio of the soil is
A)
0.625
B)
0.663
C)
0.944
D)
1.325
Correct option: B — 0.663. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The liquid limit (LL), plastic limit (PL) and shrinkage limit (SL) of a cohesive soil satisfy the relation
A)
LL > PL < SL
B)
LL > PL > SL
C)
LL < PL < SL
D)
LL < PL > SL
Using LI=(w-PL)/(LL-PL), 0.5=(40-25)/(LL-25), giving LL≈55%;
Legal Metrology • Paper-III
The thickness used for the design of masonry walls should be the
A)
Actual thickness
B)
Nominal thickness
C)
Average dimensions of the masonry units
D)
None of these
Correct option: A — Actual thickness. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Base failure of a finite slope
A)
Is a most common failure and occurs in relatively steep slopes
B)
Occurs when soil below the level of toes is strong
C)
Occurs when there is a relatively weak zone in upper part of slope
D)
Occurs when the soil below the toe is relatively soft and weak
Base failure occurs when the weak soil layer lies below the toe of the slope.
Legal Metrology • Paper-III
The specific gravity of paving bitumen as per IS:73-1992 lies between
A)
1.10 and 1.06
B)
1.06 and 1.02
C)
1.02 and 0.97
D)
0.97 and 0.92
Penetration is the main grading measure for paving bitumen.
Legal Metrology • Paper-III
A well-designed signalized intersection is one in which the
A)
crossing conflicts are increased
B)
total delay is minimized
C)
cycle time is equal to the sum of red and green times in all phases
D)
cycle time is equal to the sum of red and yellow times in all phases
A good signalized intersection minimizes total delay while maintaining safe operation.
Legal Metrology • Paper-III
Likelihood of general shear failure for an isolated footing in sand decreases with
A)
decreasing footing depth
B)
decreasing inter-granular packing of the sand
C)
increasing footing width
D)
decreasing solid grain compressibility
Correct option: C — increasing footing width. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The type of surveying in which the curvature of the earth is taken into account is called
A)
Geodetic surveying
B)
Plane surveying
C)
Preliminary surveying
D)
Topographical surveying
Correct option: A — Geodetic surveying. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Various activities of a project, are shown on bar charts by
A)
vertical lines
B)
horizontal lines
C)
dots
D)
crosses
Correct option: B — horizontal lines. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Estimate of a residential building estimated using plinth area rate comes under
A)
Preliminary estimate
B)
Engineer’s estimate
C)
Bid estimate
D)
All of these
Correct option: A — Preliminary estimate. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Critical path
A)
Is time wise shortest path
B)
Has the minimum slack
C)
Has zero slack
D)
Is the time wise longest path.
Every path is a trail because a path does not repeat vertices and therefore cannot repeat edges.
Legal Metrology • Paper-III
Engineer’s estimate is prepared using
A)
lumpsum price
B)
contractor’s rate
C)
wholesale price
D)
unit price
Correct option: D — unit price. This matches the standard definition/result for the stated question.
