Legal Metrology • Paper-III
The stopping sight distance depends upon
A)
Efficiency of brakes
B)
Speed of vehicle
C)
Total reaction time of driver
D)
All of these
Correct option: D — All of these. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
For normal landing, the pilot should cross the threshold of runway at the height of
A)
10 m
B)
15 m
C)
30 m
D)
100 m
Standard runway design uses about 15 m (50 ft) threshold-crossing height for normal landing.
Legal Metrology • Paper-III
The permissible error in chaining on hilly ground is
A)
1 in 15
B)
1 in 100
C)
1 in 250
D)
1 in 400
A 1-in-100 relative error is the customary permissible chaining error on hilly ground.
Legal Metrology • Paper-III
The extra widening required for a two-lane National Highway at a horizontal curve of 300 m radius, considering a wheel base of 8 m and a design speed of 100 kmph is
A)
0.42 m
B)
0.62 m
C)
0.82 m
D)
0.92 m
Hairpin bends on hill roads are designed for a low speed, commonly 20 km/h.
Legal Metrology • Paper-III
Select the strength parameter of concrete used in design of plain jointed cement pavement from the following choices:
A)
Tensile strength
B)
Compressive strength
C)
Flexural strength
D)
Shear strength
Correct option: C — Flexural strength. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
For masonry work, with solid bricks, consistency of mortar should be
A)
5 – 8 cm
B)
9 – 13 cm
C)
14 – 18 cm
D)
19 – 23 cm
Correct option: B — 9 – 13 cm. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
If the distance between two points A and B is 1km.The combine correction for curvature and refraction will be
A)
0.0673m
B)
0.673m
C)
1.0673m
D)
1.673m
Correct option: B — 0.673m. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The plan of a map was photo copied to a reduced size such that a line originally 100 mm, measures 90 mm. The original scale of the plan was 1 : 1000. The revised scale is
A)
1 : 900
B)
1 : 1111
C)
1 : 1121
D)
1 : 1221
Reducing lengths to 90% scales 1:1000 to about 1:1111.
Legal Metrology • Paper-III
Assuming an acceleration of 0.53m/sec2 for a highway with design speed of 180kmph,the safe overtaking sight distance is
A)
180m
B)
320m
C)
470m
D)
750m
Hairpin bends on hill roads are designed for a low speed, commonly 20 km/h.
Legal Metrology • Paper-III
A construction equipment costs Rs10000 and has an expected life of 5 years,and has no salvage value.Its book value according to double declining balance method after 2 years will be
A)
Rs 3000
B)
Rs 3600
C)
Rs 6000
D)
Rs 6800
ECL has low voltage swing, negative supply operation, high speed, and high power dissipation.
Legal Metrology • Paper-III
Concrete mixers are specified by
A)
Nominal volume of concrete that can be mixed in a batch
B)
Number of cement bags used in a batch
C)
Volume of grit used
D)
None of these
Correct option: A — Nominal volume of concrete that can be mixed in a batch. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Maximum number of vehicle can be parked with
A)
30o angle parking
B)
45o angle parking
C)
90o angle parking
D)
Parallel parking
Correct option: C — 90o angle parking. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
A 100 m tape is held 1 m out of line.The true length is
A)
99.9800 m
B)
99.9950 m
C)
100.0050 m
D)
100.0100 m
Correct option: C — 100.0050 m. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The mode of failure of a very short masonry member having h/t ratio of less than4 is by
A)
Buckling
B)
Shear
C)
Vertical tensile splitting
D)
All of these
Correct option: C — Vertical tensile splitting. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Ratio of labour cost to total construction cost of the building lies in the range of
A)
10 – 20%
B)
15 – 25%
C)
20 – 25%
D)
20 – 35%
A high resistance is connected in series to limit the current through the voltmeter movement.
Legal Metrology • Paper-III
Penetration test on bitumen is used for determining its
A)
Ductility
B)
Grade
C)
Temperature susceptibility
D)
Viscosity
Penetration is the main grading measure for paving bitumen.
Legal Metrology • Paper-III
Awarding a contract to lowest bidder ensuring efficient utilization of public money is called
A)
bid contract
B)
negotiated contract
C)
target contract
D)
none of these
Correct option: D — none of these. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Bituminous concrete is a mix comprising of
A)
fine aggregate, filler and bitumen
B)
fine aggregate and bitumen
C)
coarse aggregate, fine aggregate, filler and bitumen
D)
coarse aggregate, filler and bitumen
Correct option: C — coarse aggregate, fine aggregate, filler and bitumen. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The value of lateral friction or side friction used in the design of horizontal curve as per Indian Roads Congress guidelines is
A)
0.40
B)
0.35
C)
0.24
D)
0.15
IRC design commonly uses a side-friction coefficient around 0.15.
Legal Metrology • Paper-III
The best indication of the behavior of a deposit of sand under load can be obtained from its
A)
Bulk density
B)
Dry density
C)
Grading
D)
Relative density
Correct option: D — Relative density. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Coefficient of compressibility is
A)
Constant for any type of soil
B)
Different for different type of soils and is different for a soil under different states of consolidation
C)
Different for different type of soils but same for a soil under different states of consolidation
D)
Independent of the type of soil but depends on the stress history of the soil
Correct option: B — Different for different type of soils and is different for a soil under different states of consolidation. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
In quadrantal bearing system, bearing of a line varies from
A)
00 to 3600
B)
00 to 1800
C)
0o to 90o
D)
0oN to 90o S
Quadrantal bearings are measured in a 0°–90° quadrant from N or S toward E or W.
Legal Metrology • Paper-III
There are two footings resting on the ground surface. One footing is square of dimension B. The other is strip footing of width B. Both of them are subjected to loading intensity of Q. The pressure intensity at any depth below the base of the footing along the centerline would be
A)
Equal in both footings
B)
Large for square footing and small for strip footing
C)
Smallfor square footing and Large for strip footing
D)
More for strip footing at shallow depth () and more for square footing at a large depth (>B)
Correct option: A — Equal in both footings. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Trenching machines cannot be used for
A)
Hard clay
B)
Loose material
C)
Muddy clay
D)
Rocks
Correct option: D — Rocks. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
The width of a square footing and the diameter of a circular footing are equal. If both the footings are placed on the surface of sandy soil, the ratio of the ultimate bearing capacity of circular footing to that of square footing will be
A)
4/3
B)
1
C)
3/4
D)
2/3
Correct option: A — 4/3. This matches the standard definition/result for the stated question.
