Legal Metrology • 2018 • Civil Engineering Paper-I
The reduction co-efficient of a reinforced concrete column with an effective length of 4.8 m and size 250×300 mm is
A)
0.80
B)
0.85
C)
0.90
D)
0.95
Correct option B: 0.85.
Legal Metrology • 2018 • Civil Engineering Paper-I
Principal planes are subjected to
A)
normal stresses only
B)
tangential stresses only
C)
normal stresses as well as tangential stresses
D)
none of these
The correct choice is A (normal stresses only), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
The resistance to deformation of a body per unit area is known as
A)
Modulus of elasticity
B)
Modulus of rigidity
C)
Stress
D)
Strain
The correct choice is C (Stress), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
Segregation means
A)
Separation of water from aggregates and cement
B)
Separation of fine aggregate from coarse aggregate
C)
Separation of cement paste from coarse aggregate
D)
All of these
The correct choice is B (Separation of fine aggregate from coarse aggregate), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
The nominal size of particles of graded aggregate is said to be 12.5mm when most of it passes through a ________ mm IS sieve and is retained in a ________ mm IS sieve
A)
12.5, 4.75
B)
12.5, 10
C)
16, 4.75
D)
16, 12.5
The correct choice is B (12.5, 10), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
The specific gravity of Granite is
A)
2.20
B)
2.40
C)
2.64
D)
2.80
The correct choice is C (2.64), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
A reinforced concrete slab is 75 mm thick. The maximum size of reinforcement bar that can be used is
A)
6 mm diameter
B)
8 mm diameter
C)
12 mm diameter
D)
16 mm diameter
The correct choice is B (8 mm diameter), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
Workability is independent of
A)
Mix proportions
B)
Water content
C)
Shape, size and texture of aggregate
D)
None of these
The correct choice is D (None of these), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
A material is referred to as perfectly rigid if modulus of elasticity of the material is
A)
Unity
B)
Zero
C)
Equal to carbon
D)
Infinity
The correct choice is D (Infinity), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
In a plate girder, the web plate is connected to the flange plates by fillet welding. The size of the fillet welds is designed to safely resist
A)
the bending stresses in the flanges
B)
the vertical shear force at the section
C)
the horizontal shear force between the flanges and the web plate
D)
the forces causing buckling in the web
Correct option C: the horizontal shear force between the flanges and the web plate.
Legal Metrology • 2018 • Civil Engineering Paper-I
Strength gaining of Ordinary Portland Cement after 7 days curing
A)
65% of design strength
B)
70% of design strength
C)
75% of design strength
D)
50% of design strength
Correct option C: 75% of design strength.
Legal Metrology • 2018 • Civil Engineering Paper-I
To design a column, one should normally start by assuming the area of steel as
A)
0.15%
B)
zero
C)
0.18%
D)
1%
The correct choice is D (1%), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
Rivet value is defined as
A)
lesser of the bearing strength of rivet and the shearing strength of the rivet
B)
lesser of the bearing strength of rivet and the tearing strength of thinner plate
C)
greater of the bearing strength of rivet and the shearing of the rivet
D)
lesser of the shearing strength of the rivet and the tearing strength of thinner plate
The correct choice is D (lesser of the shearing strength of the rivet and the tearing strength of thinner plate), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
Neutral axis for a beam is defined as a fibre for which
A)
longitudinal strain is zero
B)
longitudinal stress is zero
C)
poisson’s ratio is zero
D)
both (a) & (b)
The correct choice is D (both (a) & (b)), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
A good building stone should not absorb water more than
A)
5 %
B)
10%
C)
20%
D)
25%
The correct choice is A (5 %), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
The column with highest effective length has
A)
One end fixed and the other end free
B)
Both ends fixed
C)
Both ends hinged
D)
One end fixed and the other end hinged
The correct choice is A (One end fixed and the other end free), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
Minimum width of landing should be
A)
Equal to the width of stairs
B)
Half the width of stairs
C)
Twice the width of stairs
D)
One fourth the width of stairs
The correct choice is A (Equal to the width of stairs), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
A beam is said to be loaded in pure bending if
A)
Shear force and bending moment are uniform throughout
B)
Shear force is zero and bending moment is uniform throughout
C)
Shear force can vary and bending moment is uniform throughout
D)
None of these
The correct choice is B (Shear force is zero and bending moment is uniform throughout), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
The point within the cross-sectional plane of a beam through which the resultant of the external loading on the beam has to pass through to ensure pure bending without twisting of the cross-section of the beam is called
A)
Centroid
B)
Elastic center
C)
Moment centre
D)
Shear centre
The correct choice is B (Elastic center), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
A material with identical properties in all directions is known as
A)
Elastic
B)
Homogeneous
C)
Isotropic
D)
None of these
The correct choice is C (Isotropic), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
Maximum possible value of compaction factor for fresh (green) concrete is
A)
0.5
B)
1.0
C)
1.5
D)
2.0
The correct choice is B (1.0), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
Hooke’s law is obeyed by a material with its
A)
Plastic Limit
B)
Yield Limit
C)
Limit of Proportionality
D)
Elastic limit
The correct choice is C (Limit of Proportionality), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
Slump value for mass concrete should range between
A)
0-25 mm
B)
25-50 mm
C)
50-100 mm
D)
100-175 mm
The correct choice is A (0-25 mm), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
A T-beam roof section has the following particulars: Thickness of slab = 100 mm, Width of rib = 300 mm, Depth of beam = 500 mm, Centre to centre distance of beams = 3.0 m, Effective span of beams = 6.0 m, Distance between points of contraflexure is = 3.60 m. The effective width of flange of the beam is
A)
1.50 m
B)
1.60 m
C)
2.10 m
D)
2.40 m
The correct choice is A (1.50 m), consistent with standard C++ language rules.
Legal Metrology • 2018 • Civil Engineering Paper-I
For the manufacture of Portland cement, the proportions of raw materials used are
A)
lime 63%, silica 22%, other ingredients 15%
B)
lime 50%, silica 35%, other ingredients 15%
C)
lime 40%, silica 40%, other ingredients 20%
D)
all of these
Correct option A: lime 63%, silica 22%, other ingredients 15%.