| Post Name | TRADESMAN -(STRENGTH OF MATERIAL) |
|---|---|
| Department | TECHNICAL EDUCATION DEPARTMENT |
| Question Paper Code | 062/2024 |
| Category Code | 422/2023 |
| Date of Test | 21 May 2024 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which of the following is not an elastic material?
Answer
C. Celluloid
2
Find the thermoplastic material from the following :
Answer
A. Polystyrenes
3
1 kgf = ____________ N
Answer
D. 9.81
4
The internal opposite force to external load per unit area is known as :
Answer
B. Stress
5
The property by virtue of which certain materials return back to their original position after
the removal of external force is :
Answer
B. Elasticity
6
What is the unit of Young’s modulus?
Answer
A. N/mm2
7
Which law states the relationship between stress and strain?
Answer
C. Hooke’s law
8
In stress-strain curve after which point the straight line relation between stress and strain
ceases :
Answer
A. Elastic limit
9
The unit of strain is :
Answer
C. No unit
10
The ratio between change in dimension to the original dimension is called :
Answer
D. Strain
11
The ratio between lateral strain and linear strain is :
Answer
A. Poisson’s ratio
12
The minimum load at which a material develops failure is called :
Answer
Question Cancelled
13
The ratio between the change in length to original length is :
Answer
C. Linear strain
14
Which elastic constant is denoted by the letter “K”?
Answer
B. Bulk modulus
15
The ratio between change in volume of material to its original volume is :
Answer
A. Volumetric strain
16
The elastic constants are
(i) Modulus of rigidity
(ii) Factor of safety
(iii) Bulk modulus
(iv) Young’s modulus
Answer
D. Only (i), (iii) and (iv)
17
Shear stress = __________ × shear strain.
Answer
D. Modulus of rigidity
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18
The unit of Poisson’s ratio is :
Answer
C. No unit
19
Shear stress/Shear strain =
Answer
A. N
20
Which of the following has the same unit of modulus of rigidity?
Answer
B. Young’s modulus
21
Which of the following statement is/are correct about strain energy?
(i) It is the potential energy stored by an elastic body when deformed.
(ii) A compressed spring possesses strain energy.
Answer
C. All of the above (i) and (ii)
22
Which of the following statement is/are correct about Strain energy?
(i) Strain energy stored is due to gradually applied load
(ii) Strain energy stored is due to suddenly applied load
(iii) Strain energy stored is due to load with an impact
Answer
C. All of the above (i), (ii) and (iii)
23
The total strain energy stored in a body is known as :
Answer
B. Resilience
24
The maximum strain energy stored in a body is known as :
Answer
C. Proof resilience
25
Which of the following statement is/are correct about Proof resilience?
(i) It is the capacity of a strained body for doing work on the removal of the straining force.
(ii) It is the quantity of strain energy stored in a body when strained upto elastic limit.
(iii) It is the Resilience of a material per unit volume.
Answer
D. Only (ii)
A 5 062/2024
26
Which of the following statement is/are correct about Modulus of resilience?
(i) It is the capacity of a strained body for doing work on the removal of the straining force.
(ii) It is the quantity of strain energy stored in a body when strained upto elastic limit.
(iii) It is the proof Resilience of a material per unit volume.
Answer
C. Only (iii)
27
In which types of loading the load is constant throughout the process of the deformation of
the body?
Answer
B. Suddenly applied load
28
The capacity of a strained body for doing work on the removal of the straining force is
known as :
Answer
B. Resilience
29
Which of the following statement is/are correct about types of loading?
(i) The maximum stress induced in a body due to suddenly applied load is twice the stress
induced when the same load is applied gradually.
(ii) The extension produced in a rod due to impact load is very small in comparison with the
height through which the load falls.
(iii) In gradually applied loading the load is constant throughout the process of the
deformation of the body.
Answer
C. Only (i) and (ii)
30
Which one of the following is correct for proof resilience?
Answer
D. (σ2*volume)/2E
31
Which of the following statement is/are correct about centre of gravity of a rectangle?
(i) It is at the point where its diagonals meet each other.
(ii) It is a middle point of the length as well as the breadth of the rectangle.
Answer
C. Both (i) and (ii)
32
What is the centre of gravity of a triangle?
Answer
A. It is the point where the three medians of triangle meet
33
What is the centre of gravity of a semi circle?
Answer
B. at a distance (4r/3π) of from its base measured along vertical radius
34
Which of the following statement is/are correct about centre of gravity?
(i) The centre of gravity of a circle is its centre.
(ii) The centre of gravity of a right circular cone is at a 1/3 distance of from its base.
(iii) The centre of gravity of a right circular cone is at a 1/4 distance of from its base.
Answer
C. Only (i) and (iii)
35
Which of the following statement is/are correct about moment of inertia?
(i) The moment of the moment of a force is called as moment of inertia.
(ii) Unit of moment of inertia is m4.
(iii) Routh’s rule is used to find out moment of inertia.
Answer
D. All of the above (i), (ii) and (iii)
36
The centre of gravity of an equilateral triangle with each side (a) is ___________ from any of the three sides.
Answer
D. a/(2√3)
37
Which one of the following is moment of inertia of a rectangular section?
Answer
A. bd3/12
38
The theorem of perpendicular axis is used for obtaining the moment of inertia of :
Answer
D. Circular lamina
A 7 062/2024
39
Which of the following statement is/are correct about the Parallel axis theorem?
(i) Used for obtaining the moment of inertia of circular lamina.
(ii) Used for obtaining the moment of inertia of semi circular lamina.
(iii) Used for obtaining the moment of inertia of square lamina.
Answer
D. All of the above (i), (ii) and (iii)
40
The moment of inertia of a circular section of diameter
Answer
B. πd4/64
41
What object is used to design to support the roof covering or ceiling over long spans thereby
avoiding the intermediate column?
Answer
D. All of the above
42
Which member carries mainly tensile force?
Answer
D. Tension member
43
When vertical supports of circular cross section and of approximately cylindrical form, it is
known as :
Answer
A. Column
44
What is the name of the structure in which components such as beam, column and footing
are monolithic in design and construction?
Answer
C. Portal frame
45
What are the components of plate griders given below?
(i) Web plate
(ii) Flange plate
(iii) Flange spice
(iv) Lintel
Answer
C. (i), (ii) and (iii)
46
What is the advantage of cold former steel members over reinforced concrete?
Answer
B. Termite – proof and rot proof
47
A structural member which primarily transmits a compressive force is called :
Answer
B. Column
48
What is the main advantage of Structural Steel?
Answer
D. High strength
49
What is the minimum distance between centres of any two adjacent rivet hole to the nominal
diameter of the rivet?
Answer
D. 2.50 times
50
Which span the plate griders are used?
Answer
B. More than 20 m
51
The structural member which is acted upon by a system of external loads at right angles to
the axis is :
Answer
A. Beam
52
In a simply supported beam, bending moment at supports is always :
Answer
B. Zero
53
For a simply supported beam, loaded with point load the B.M. diagram will be :
Answer
A. Triangle
54
The B.M diagram for a cantilever with point load at the free end will be :
Answer
B. A triangle with maximum height under fixed end
55
For a simply supported beam of span ‘l’ loaded with uniformly distributed load w/m over the whole span the maximum B.M will be :
Answer
B. wl²/8
56
At the point of contraflexure :
Answer
C. B.M is either zero or changes sign
57
Name the type of beam whose one end is fixed and the other end free:
Answer
A. Cantilever beam
58
A bending moment causing concavity upwards will be taken as:
Answer
A. Positive
59
What is the shape of the bending moment diagram over the length of the beam carrying a
uniformly distributed load?
Answer
A. Parabolic
60
Which type of beam freely supported at two points has one or both ends extending beyond
these supports?
Answer
C. Overhanging beam
61
Which type of column is likely to fail due to buckling rather than material yielding?
Answer
B. Long column
62
A column with a length-to-radius of gyration ration (L/r) less than a certain critical value is
considered :
Answer
C. Short
63
Which type of column failure occurs due to excessive axial compression?
Answer
A. Buckling
64
According to Euler’s formula, the critical buckling load of a column is inversely proportional
to the :
Answer
C. Length of the column
65
Which property of the column is used to calculate the radius of gyration in Euler’s formula?
Answer
A. Moment of inertia
66
What does an effective length factor of 0.5 signify for a column?
Answer
A. Both ends are fixed
67
Which type of column will typically have the smallest effective length factor?
Answer
A. Fixed-fixed
68
Which factor does not affect the slenderness ratio of a column?
Answer
D. Load applied
69
Rankine’s formula is commonly applied in the field of :
Answer
C. Structural engineering
70
Johnson’s formula is based on the assumption that materials :
Answer
Question Cancelled
71
What unit is typically used to measure beam deflection?
Answer
D. Millimeter (mm)
72
In cantilever beams, the deflection is zero at
Answer
B. Fixed end
73
Which of the following is a common method for connecting the different materials in a
composite beam?
Answer
C. Adhesive bonding
74
Which theory is commonly used to analyze the behaviour of composite beams subjected to
bending?
Answer
C. Euler-Bernoulli beam theory
75
In a fixed beam, the rotation at the support is :
Answer
D. Zero
76
The deflection of a fixed beam is maximum at :
Answer
Question Cancelled
77
Continuous beams are characterized by having :
Answer
B. Multiple supports along their length
78
The curvature of a continuous beam is
Answer
B. Linearly varying
79
Which material property primarily affects the deflection of a beam?
Answer
C. Elastic modulus
80
For a cantilever beam subjected to a uniformly distributed load, where is the maximum
deflection usually located?
Answer
C. At the free end
81
The hollow shaft will transmit greater ___________ than the solid shaft of the same weight.
Answer
B. Torque
82
The moment of inertia of a plane area with respect to an axis ___________ to the plane is
called polar moment of inertia.
Answer
A. Perpendicular
83
The power transmitted by shaft in SI system is given by :
Answer
C. 2πNT/60
84
_____________ is a measure of the strength of shaft on rotation.
Answer
D. Polar modulus
85
A closed coil helical spring is cut into two equal parts. The stiffness of each resulting spring
as compared to the original spring will be :
Answer
A. double
86
The ratio of polar moment of inertia to the radius of the shaft is known as :
Answer
C. Torsional section modulus
87
A spring of stiffness constraint K is cut into two equal parts. The stiffness constant of new
spring will be :
Answer
B. 2K
88
Which of the following function can be the spring perform?
Answer
D. All of the above
89
When two dissimilar shafts are connected together, then the shaft is :
Answer
A. Composite shafts
90
When a shaft subjected to pure twisting, then the type of stress developed is :
Answer
C. Shear
91
Bending test are conducted to ensure that the material has enough :
Answer
B. ductility
92
Which ferrous metal doesn’t show fatigue limit?
Answer
A. Austenitic stainless steel
93
What is the v notch angle found on an impact testing machine?
Answer
C. 45°
94
Compression test is done on which of the following materials?
Answer
D. Cast iron
95
Brinell number of a material or an alloy is a measure of its :
Answer
A. hardness
96
The direct shear test can also be called as :
Answer
A. strain controlled shear box test
97
Pick the odd one out
Answer
B. Endurance limit
98
Fatigue curves are popularly known as :
Answer
C. S-N
99
Percentage elongation during tensile test is indicative of :
Answer
D. Ductility
100
Shearing resistance can be determined in the laboratory by __________ methods.
Answer
A. 4
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