| Post Name | Blacksmith/Blacksmithy Instructor - Health Services |
|---|---|
| Question Paper Code | 091/2025/OL |
| Category Code | 142/2024 |
| Date of Test | 12 August 2025 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
Which of the following statement is/are correct about steel rule? (i) It is made of stainless steel (ii) The reading accuracy of steel rule is 0.5 mm (iii) Steel rule is a linear measuring instrument
Answer
D. All of the above (i, ii and iii)
2
Respiratory protective equipments belong to category of
Answer
C. PPE 3
3
Which of the following statement is/are correct about a divider? (i) Divider can be used for scribing circles (ii) It can be used to measure inside dimensions (iii) Dividers are used transmitting and stepping of distances
Answer
C. Only (i and ii)
4
In which part of the hammer its weight stamped?
Answer
D. Cheek
5
In ABC first aid 'B' stands for
Answer
B. Breathing
6
Which of the following statement is/are correct about punch? (i) Angle of centre punch is 60° (ii) 60° punch is used for marking witness mark (iii) 90° punch is used for making punch mark for placing dividers
Answer
C. Only (ii)
7
The accuracy of measurement by a try square is about
Answer
B. 0.002 mm per 10 mm length
8
Which personal protective equipment is used for the protection of body?
Answer
C. Apron
9
Why slight convexity is given on the face of hammer?
Answer
A. To avoid digging of the edge
10
Which of the following statement is/are correct in case of Hacksaw blades? (i) Hacksaw blades are specified by the length, pitch and type of material (ii) Course pitch blades are used for cutting soft materials such as bronze, brass, etc (iii) Pitch size of fine pitch blade is 0.8 mm
Answer
D. All of the above (i, ii and iii)
11
During filing, sometimes the metal chips will clog between the teeth of files. This is known as
Answer
C. Pinning of file
12
Match 'Group I' with ' Group II' Group I Group II (a) Pipe vice (i) Marking of small jobs on surface plate (b) Pin vice (ii) Holding small diameter jobs (c) Tool makers vice (iii) Jaws can be opened and close using wing nut (iv) Holding pipes
Answer
B. a-4, b-2, c-1
13
Which of the following statement is/are correct about file? (i) Shoulder is curved part of file separating tang from the body (ii) Ferrule is a protective metal ring to prevent cracking of the handle (iii) Heel is thin part of the file with a single row of parallel teeth
Answer
C. Only (i and ii)
14
Diamond point chisel is used to
Answer
A. Squaring materials at the corners
15
What is the name of sign?
Answer
C. School
16
What are the three factors causes fire?
Answer
C. Fuel, heat, oxygen
17
What is the period referred as 'golden hours'?
Answer
A. First 30 minutes after incident
18
What is the colour code for paper waste bin?
Answer
D. Blue
19
What is the class of fire caused by fire wood, paper, cloth?
Answer
A. Class 'A' fire
20
Which one of the following is not a part of Anvil?
Answer
D. Pean
21
Which of the following is measure of stiffness?
Answer
C. Modulus of elasticity
22
Which of the following is not the property of zinc?
Answer
A. It melt at 231.5°C
23
Which of the following statement is true in the composition of gun metal?
Answer
A. Copper 88%, Tin 10%, Zinc 2%
24
Which of the following statement is true for the application of medium carbon steel?
Answer
B. Shaft, Gears, Engine parts
25
What is the melting point of Nickel?
Answer
C. 1450°C
26
Which of the following statement is/are correct about the properties of copper? (i) Copper becomes brittle just below its melting point (ii) Copper is malleable, ductile and extremely soft (iii) Copper melts at 512°C and its boiling point is 1083°C
Answer
A. Only (i and ii)
27
Which property of a metal is the ability to resist the effect of the tensile forces without rupture?
Answer
D. Tenacity
28
Which of the following is an Aluminium alloy?
Answer
B. Y-Alloy
29
What is meant by creep?
Answer
D. The slow and continuous deformation of a material under steady load
30
Which of the following is an ore of lead?
Answer
C. Galena
31
What is the compressive strength of cast iron?
Answer
A. 400 to 1000 MPa
32
Which furnace is suitable for wrought iron production?
Answer
C. Puddling furnace
33
What is the chemical method of surface cleaning?
Answer
A. Pickling
34
What is the specific gravity of tin?
Answer
D. 7.8
35
What is the expansion of CRCA?
Answer
C. Cold rolled closed annealing
36
What is the other name of super high speed steel?
Answer
D. Cobalt high speed steel
37
Which process is doing to reduce the hardness of a metal?
Answer
A. Annealing
38
Which metal is used as a insulator against nuclear radiation?
Answer
A. Lead
39
What is the specific gravity of silver?
Answer
C. 10.7
40
What is the composition of bronze?
Answer
D. Copper and Tin
41
In forging process metals are shaped by
Answer
A. Impact
42
Which type of forging done by deforming the metal at room temperature?
Answer
A. Cold forging
43
Press forging differs from drop forging in that it uses
Answer
B. Slow squeezing action
44
Bending is a process used to
Answer
C. Shape metal into a curved form
45
Upset forging involves
Answer
C. Increasing the cross sectional area of a bar
46
What is forging?
Answer
A. Hammering a heated metal
47
In hand forging, what operation is used to shape convex surfaces?
Answer
B. Swaging
48
What type of force is applied in upsetting?
Answer
B. Compressive
49
What is the term for increasing the cross sectional area of a work piece?
Answer
B. Upsetting
50
The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metals is known as
Answer
B. Drawing
51
In drawing operation metals flows due to
Answer
C. Plasticity
52
What type of force is primarily applied during the jumping operation?
Answer
B. Compressive force
53
Forging temperature of low carbon steel is
Answer
A. 800°C to 1300°C
54
What is the primary purpose of trimming in forging?
Answer
B. To remove excess material
55
Which of the following is a finishing operation that involves removing material using cutting tools?
Answer
B. Machining
56
Which of the following a technique used to create a gradual taper in a forged component
Answer
B. Drawing out with a hammer and anvil
57
The process of removing the burrs or flash from am forged component in drop forging called
Answer
C. Trimming
58
Which hardness test is known for its speed and ability to measure hardness with a small indentation
Answer
C. Rockwell
59
What type of fuel commonly used in a blacksmith forge?
Answer
B. Coal and Coke
60
The primary purpose of the Bessemer process is to
Answer
B. Convert pig iron into steel
61
Which of the following is a key component of the open hearth furnace process for steel making?
Answer
C. Regenerative furnace
62
What is the main product produced by a cupola furnace?
Answer
B. Cast iron
63
What is the name of molten material that floats on top of the molten iron in a blast furnace?
Answer
A. Slag
64
What type of power supply is commonly used for electric arc furnaces?
Answer
C. Both AC and DC
65
What is the primary alloying element in stainless steel that provides its corrosion resistance?
Answer
A. Chromium
66
Steel is an alloy of iron and _________
Answer
D. Carbon
67
Pig iron of steel with 0% carbon is
Answer
A. Ferrite
68
Lower critical Temperature of steel is
Answer
C. 723°C
69
What is the name of steel which has the same lower and upper critical temperature?
Answer
A. Eutectoid steel
70
Which of the following is not a common method of heat treatment?
Answer
D. Extrusion
71
What is quenching?
Answer
C. Rapid cooling the work piece
72
Hardening temperature for steel with carbon content above 0.4%
Answer
A. Slightly above the upper critical temperature
73
Heat the steel 50°C above the upper critical temperature, then keep the hot pieces covered with dry sand
Answer
B. Annealing
74
Heat the steel below 400°C and cooling in water is
Answer
B. Tempering
75
The purpose of normalising is
Answer
C. Refine the structure
76
While normalising, the component should be cooled by
Answer
D. In still air to room temperature
77
The aim of tempering
Answer
D. All of the above
78
The tempering colour of turning tools
Answer
B. Pale straw
79
What quenching media is used for special alloy steels?
Answer
D. Cold air
80
Cyaniding is a ________ process
Answer
C. Case hardening
81
Tempering temperature of drills and milling cutters
Answer
B. 240°C
82
What gas is frequently used in Nitriding?
Answer
C. Ammonia
83
What type of steel is commonly used in Nitriding?
Answer
B. Low alloy steel
84
What is the temperature range for carburising?
Answer
C. 880-930°C
85
Which of the following is carburising medium?
Answer
D. Charcoal
86
In an orthographic projection of an object front elevation is projected in VP below HP top view on HP. Identity in which quadrant the object is placed?
Answer
B. IIIrd
87
Plan lies directly above the elevation in the _________
Answer
C. IIIrd angle projection
88
Dimension should be given in one unit, preferable in ________
Answer
C. Millimeters
89
_________ system, the dimensions shall be horizontally placed so that they can be read from the bottom of the drawing sheet, non-horizontal dimension lines interrupted preferable near the middle
Answer
A. Unidirectional
90
A quarter of the object is removed showing both internal and external details
Answer
B. Half section
91
In an isometric drawing the three mutually perpendicular edges of a cube are at an angle of
Answer
D. 120°
92
What is the length of each part of a copper wire of 225 meter long is cut into 900 equal parts?
Answer
B. 0.25 meter
93
If x = 25, y = 5, the value of x³ − xy + y³ is ___________.
Answer
Question Cancelled
94
What is the HCF of 18, 24, 42?
Answer
B. 6
95
What is the square root of 529?
Answer
B. 23
96
What is the volume of the cylinder whose radius is 7 cm and height 12 cm?
Answer
D. 1848 c.c
97
The S.I unit of force is _________
Answer
C. Newton
98
What is the S.I unit of pressure?
Answer
B. Pascal
99
What is the direction of a frictional force against a motional object?
Answer
B. Opposite to the object
100
What is the ratio of power output to power input?
Answer
C. Efficiency
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