Legal Metrology • Civil Engineering Paper-I
Read the following statements and identify the correct answer. Statement A: If a composite bar of steel and copper is heated, the copper bar will be subjected to compression. Statement B: If the Poisson’s ratio is 0.333, then the ratio of bulk modulus to shear modulus is 2.66.
A)
Both statements are correct.
B)
Both statements are incorrect.
C)
Statement A is correct but B is incorrect.
D)
Statement A is incorrect but B is correct.
In the context of Mechanical Engineering, the most appropriate and technically accurate answer is 'Both statements are incorrect.' (Option B).
Legal Metrology • Civil Engineering Paper-I
A joint in the masonry parallel to the face of the wall is known as
A)
Bonded joint
B)
Wall joint
C)
Cross joint
D)
Bed joint
A horizontal mortar joint parallel to the wall face is called a bed joint.
Legal Metrology • Civil Engineering Paper-I
A particle starts from rest and moves in a straight line whose equation of motion is given by S = 2t³ - t² - 1. The acceleration of the particle after one second will be
A)
4m/s²
B)
6m/s²
C)
8 m/s²
D)
10 m/s²
In the context of Unmapped / long tail, the most appropriate and technically accurate answer is '6m/s²' (Option B).
Legal Metrology • Civil Engineering Paper-I
Choose the correct statement about the kinetic friction and static friction.
A)
Kinetic friction is lesser than the maximum static friction
B)
Kinetic friction is greater than maximum static friction
C)
Kinetic friction is equal to maximum static friction
D)
Kinetic friction is equal to contact force
In the context of Unmapped / long tail, the most appropriate and technically accurate answer is 'Kinetic friction is lesser than the maximum static friction' (Option A).
Legal Metrology • Civil Engineering Paper-I
The property of metal by which it can be drawn into wires under tensile stress is called
A)
malleability
B)
ductility
C)
tensile strength
D)
viscosity
In the context of Mechanical Engineering, the most appropriate and technically accurate answer is 'malleability' (Option A).
Legal Metrology • Civil Engineering Paper-I
A rigid body is very slowly dropped on another body and a deflection δ_s occurs in the second body. If the rigid body be placed suddenly, the value of the impact factor will be:
A)
0
B)
1
C)
1.5
D)
2
In the context of Mechanical Engineering, the most appropriate and technically accurate answer is '1' (Option B).
Legal Metrology • Civil Engineering Paper-I
Engineering strain of a mild steel sample is recorded as 0.100%. The true strain is
A)
0.010%
B)
0.055%
C)
0.099%
D)
0.101%
In the context of Mechanical Engineering, the most appropriate and technically accurate answer is '0.101%' (Option D).
Legal Metrology • Civil Engineering Paper-I
If a piece of material neither expands nor contracts in volume when subjected to stresses, then the Poisson’s ratio must be
A)
Zero
B)
0.25
C)
0.33
D)
0.5
In the context of Mechanical Engineering, the most appropriate and technically accurate answer is '0.5' (Option D).
Legal Metrology • Civil Engineering Paper-I
In a flat roofed building, the roof is made water proof by coating hot bitumen and this coating is done at the rate of
A)
1.00 kg/m²
B)
1.67 kg/m²
C)
1.71 kg/m²
D)
2.5 kg/m²
Hot bitumen waterproofing of flat roofs is commonly applied at about 1.67 kg/m².
Legal Metrology • Civil Engineering Paper-I
The impact strength of a material is an index of its
A)
Toughness
B)
Tensile strength
C)
Capability of being cold worked
D)
Hardness
In the context of Mechanical Engineering, the most appropriate and technically accurate answer is 'Toughness' (Option A).
Legal Metrology • Civil Engineering Paper-I
The work-energy principle states that work done on a system is equal to:
A)
Its change in kinetic energy
B)
Its change in potential energy
C)
Sum of its change in kinetic and potential
D)
None of the above
Based on established principles in this specific field of study, the correct and most clinically/technically appropriate choice is 'Its change in kinetic energy' (Option A).
Legal Metrology • Civil Engineering Paper-I
A curved member with a straight vertical leg is carrying a vertical load at Z, as shown in the figure. The stress resultant in the XY segment are
A)
bending moment, shear force and axial force
B)
bending moment and axial force
C)
bending moment and shear force
D)
axial force
Based on established principles in Mechanical Engineering, the correct and most clinically/technically appropriate choice is 'bending moment and axial force' (Option B).
Legal Metrology • Civil Engineering Paper-I
A compaction factor of 0.95 represents flowing concrete having workability
A)
Low
B)
High
C)
Medium
D)
Poor
In the context of Civil Engineering, the most appropriate and technically accurate answer is 'Medium' (Option C).
Legal Metrology • Civil Engineering Paper-I
A circular solid shaft of span L= 5m is fixed at one end and free at the other end. A twisting moment T= 100 kN-m is applied at the free end. The torsional rigidity GJ is 50000 kN-m²/rad. Following statements are made for this shaft: (I) The maximum rotation is 0.01 rad. (II) The torsional strain energy is 1 kN-m. With reference to the above statements, which of the following applies?
A)
Both statements are true
B)
Statement I is true but II is false
C)
Statement II is true but I is false
D)
Both the statements are false
θ=TL/GJ=100×5/50000=0.01 rad, but strain energy is 0.5 kN·m, so only statement I is true.
Legal Metrology • Civil Engineering Paper-I
The modulus of rupture of concrete gives
A)
the direct tensile strength of the concrete
B)
the direct compressive strength of the concrete
C)
the tensile strength of the concrete under bending
D)
the characteristic strength of the concrete
Modulus of rupture is the flexural/tensile strength measured in bending.
Legal Metrology • Civil Engineering Paper-I
The reactions at the rigid supports at A and B for the bar loaded as shown in the figure are respectively:
A)
20/3 kN, 10/3 kN
B)
10/3 kN, 20/3 kN
C)
5kN, 5kN
D)
None of these
In the context of Mechanical Engineering, the most appropriate and technically accurate answer is '5kN, 5kN' (Option C).
Legal Metrology • Civil Engineering Paper-I
Maximum energy that a given component can absorb without undergoing any permanent deformation upto elastic limit is known as:
A)
Proof Resilience
B)
Resilience
C)
Hardness
D)
Toughness
In the context of Mechanical Engineering, the most appropriate and technically accurate answer is 'Resilience' (Option B).
Legal Metrology • Civil Engineering Paper-I
The minimum crushing strength for first class bricks is
A)
10N/mm²
B)
20 N/mm²
C)
30N/mm²
D)
40 N/mm²
In the context of Civil Engineering, the most appropriate and technically accurate answer is '40 N/mm²' (Option D).
Legal Metrology • Paper-III
The eigen values of a square matrix A and its transpose AT
A)
are equal
B)
are conjugative
C)
differ by a factor, which is divisible by 2
D)
are orthogonal
Based on established principles in Quantitative Aptitude, the correct and most appropriate choice is 'differ by a factor, which is divisible by 2' (Option C).
Legal Metrology • Paper-III
Which of the following matrices is Hermitian
A)
[[0, i], [i, 0]]
B)
[[0, i], [-i, 0]]
C)
[[i, 0], [i, 0]]
D)
[[i, 0], [0, -i]]
Based on established principles in Quantitative Aptitude, the correct and most appropriate choice is '[[0, i], [i, 0]]' (Option A).
Legal Metrology • Paper-III
If A is a square matrix of order n, then adj(adj A) equals
A)
A^(n-2) A
B)
A^n A
C)
A A
D)
A^n An-2
Based on established principles in Quantitative Aptitude, the correct and most appropriate choice is 'A A' (Option C).
Legal Metrology • Paper-III
Choose the one which can be substituted for the given word/sentence: That which cannot be corrected.
A)
Incorrigible
B)
Unintelligible
C)
illegible
D)
None of these
Correct option: A — Incorrigible. This matches the standard definition/result for the stated question.
Legal Metrology • Paper-III
Choose the correct meaning of proverb/idiom: To cry wolf
A)
To give false alarm
B)
To turn pale
C)
To listen eagerly
D)
None of these
Based on established principles in English Language, the correct and most appropriate choice is 'To give false alarm' (Option A).
Legal Metrology • Paper-III
Pick out the most effective word(s) from the given words to fill in the blank to make the sentence meaningfully complete: The ruling party will have to put its own house……order
A)
on
B)
in
C)
to
D)
None of these
Based on established principles in English Language, the correct and most appropriate choice is 'on' (Option A).
Legal Metrology • Paper-III
Pick out the most effective word(s) from the given words to fill in the blank to make the sentence meaningfully complete: I saw a ……..of cows in the field
A)
group
B)
flock
C)
herd
D)
None of these
Correct option: C — herd. This matches the standard definition/result for the stated question.
