| Post Name | Tradesman(Sheet Metal) Technical Education |
|---|---|
| Question Paper Code | 065/2024 |
| Category Code | 425/2023 |
| Date of Test | 24 May 2024 |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which of the following statement is/are correct about physical properties of materials?
(i) Physical properties are employed to describe a material under condition in which
external forces are not concerned.
(ii) Physical properties of a material are those as described in the field of physics
Answer
C. All of the above (i) and (ii)
2
Which of the following statement is/are correct about mechanical properties of metals?
(i) Mechanical properties include those characteristics which are describe its behaviour
under the action of external forces.
(ii) Mechanical properties can be determined by conducting experimental tests on the
material specimen.
(iii) Density is an example for mechanical properties
Answer
C. Only (i) and (ii)
3
Which of the following is not a ferrous material?
Answer
A. Constantan
4
Grey cast iron consists of :
Answer
D. 2.5 – 3.8% C
5
Which of the following statement is/are correct about Chrome-Vanadium steel?
(i) Chrome-Vanadium steel contains 0.26% C, 0.92% Cr, 0.2% V.
(ii) Chromium and Vanadium are added to increase the hardenability.
(iii) Used for making axles and shafts of automobiles, aeroplanes and locomotives.
Answer
B. All of the above (i), (ii) and (iii)
6
Which of the following statement is/are correct about melting point of a metal?
(i) Melting point depends on the bonding forces.
(ii) Melting point of mild steel is 1500°C
(iii) Melting point of Aluminium is 650°C
Answer
D. All of the above (i), (ii) and (iii)
7
Which of the following metal section is specified by length *width* thickness and wt per kg?
Answer
B. Sheet
8
Which of the following metal section is specified by width*thickness and wt per metre length?
Answer
C. Flats
9
Which of the following statement is/are correct about hot rolling?
(i) In hot rolling lubrication is not necessary
(ii) In hot rolling loads are very high
(iii) Hot rolling provides better dimensional accuracy
Answer
A. Only (i)
10
Which one of the following metal sections specification include web thickness?
Answer
D. Channels
11
Which of the following statement is/are correct about cold rolling?
(i) Cold rolling provides good surface finish
(ii) Cold rolling provides better dimensional accuracy
Answer
C. Both (i) and (ii)
12
Which one of the following is not a specification of angle metal sections?
Answer
B. Thickness of flange
13
Which of the following statement is/are not correct about scriber?
(i) It is made of high carbon steel and is hardened.
(ii) The point should be ground and honed frequently for maintaining its sharpness.
(iii) Bend point is used to drawing circles on the surface.
Answer
D. Only (iii)
14
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 coarse pitch blade is 0.8 mm.
Answer
B. Only (i) and (ii)
15
Which of the following statement is/are correct about a ball pein hammer?
(i) The wedges fix the handle in the eyehole.
(ii) The weight of the hammer is stamped on check.
(iii) Hammer is made of drop-forged carbon steel.
Answer
D. All of the above (i), (ii) and (iii)
16
Half-round nose chisels is used to :
Answer
C. Cutting oil grooves
17
In a vernier caliper, 9 main scale divisions are divided into 10 equal parts in the vernier
scale. Value of one main scale division is 1 mm. What is the least count of this vernier
caliper?
Answer
A. 0.1 mm
18
Which of the following statement is/are correct about Jenny caliper?
(i) It is used for marking lines parallel to the inside and outside edges.
(ii) Another name of this caliper is leg and point calipers.
(iii) Jenny caliper is used for finding the centre of round bars.
Answer
C. All of the above (i), (ii) and (iii)
19
The accuracy of steel rule is :
Answer
B. 0.5 mm
20
What is the value of one main scale division in a vernier bevel protractor?
Answer
A. 1 degree
21
What is the pitch of the spindle thread in metric outside micrometer?
Answer
B. 0.5 mm
22
Which of the following statement is/are correct about standard wire gauge?
(i) The thickness of the sheet and diameter of wire are measured with the help of the
standard wire gauge.
(ii) Smaller gauge numbers representing small size, higher gauge number representing
larger sizes.
(iii) Wire diameter is checked by inserting the wire on the circle portion of the gauge.
Answer
D. Only (i)
065/2024 6 A
23
The accuracy of measurement by a try square is about :
Answer
A. 0.002 mm per 10 mm length
24
Which of the following statement is/are correct in case of bevel protractor?
(i) It is an indirect angular measuring instrument.
(ii) Angles can be measured within an accuracy of 1 degree.
(iii) Graduation marked from 0° to 180°
Answer
C. Only (ii) and (iii)
25
Which of the following statement is/are correct about straight edge?
(i) It is used to mark straight lines on a metal surface.
(ii) It can be used to check 90 degree angles.
(iii) It can be used to check 45 degree angles.
Answer
D. Only (i)
26
Which of the following statement is/are correct about Half moon stake?
(i) This stake is used when shaping and seaming funnels and tapered articles.
(ii) It is used for turning up flanges on metal discs.
(iii) It has two horns.
Answer
B. Only (ii)
27
Which of the following statement is/are correct about Trammel?
(i) It is used for scribing circles, arcs and for transforming and stepping off distances.
(ii) Its another name is ‘beam compass’.
(iii) The distance from the point to the centre of the rivet is the size of the wing compass.
Answer
Question Cancelled
28
Which marking media is using with nitric acid?
Answer
A. Copper sulphated
29
Which one of the following is not a part of vernier height gauge?
Answer
B. Fixed jaw
30
Which of the following statement is/are correct about Radius gauge?
(i) They are made of cast iron.
(ii) It is used to check the radii by comparing the radius on a part with the radius of
the gauges.
(iii) The radius and fillet gauges are available in sets of several blades which fold into a
holder when not in use.
Answer
C. Only (ii) and (iii)
31
What is the purpose of vice clamp?
Answer
B. To hold a finished work
32
Which vice is used for holding small work that requires filing or drilling?
Answer
D. Tool maker’s vice
33
Which of the following statement is/are not correct in case of flat file?
(i) They are made of cast iron.
(ii) The edges along the width are parallel throughout the length.
(iii) One edge is single cut whereas the other is safe edge.
Answer
D. All of the above (i), (ii) and (iii)
065/2024 8 A
34
Why slight convexity is given on the face of hammer?
Answer
B. To avoid digging of the edge
35
What is the purpose of creasing hammer?
Answer
A. To finish the wired edges
36
Name the defect that causes the metal chips to clog between the teeth of file?
Answer
C. Pinning of file
37
What is the name of operation by which removing the excess metal in required size from the
edges of sheet to form a desired job in correct size and shape?
Answer
D. Notching
38
Give the name of a power press operation in which flat components are produced from sheet
metal. Here the metal cut-out is the required component and the sheet with the cut on the
die is the scrap?
Answer
A. Blanking
39
Which among the following power press operation is used to produce a shallow relief design
on flat sheet metal components and it is mainly using for producing impressions of figures,
letters or designs etc.?
Answer
D. Embossing
A 9 065/2024
40
Name the power press operation that producing circular holes in regular pattern or evenly
spaced :
Answer
C. Perforating
41
Name the power press operation, which is mainly using for producing ventilators in duct
work, electrical panels, vehicle bodies etc. Here sheet metal is cut through part of its length
and then bending the cut portion as ventilator :
Answer
C. Lancing
42
What is a bending operation that deforming the sheet metal at the face of a previously
punched hole to accommodate the heads of screws?
Answer
D. Plunging
43
Name the bending operation in which the edge of an article is form in the shape of roll for
solid wiring or hollow wiring purpose :
Answer
C. Curling
44
What is the name of operation of cutting sheet metal in a straight line along the length?
Answer
B. Slitting
45
What is the approximate size of blank
Answer
A. 136 mm
46
What is the exact meaning of planishing?
Answer
D. Flattening
065/2024 10 A
47
Which among the following is just opposite operation of Hollowing?
Answer
C. Rising
48
Which method of processing is mainly using to make a seamless object?
Answer
A. Spinning
49
Which among the following operations is not assuming as a seam of sheet metal?
Answer
D. Notching
50
Among the following seams which one mainly using to join the bottom pieces and it is more
leak proof also?
Answer
D. Knocked up seam
51
What is the process of ‘drawing’ with related to the power press operation?
Answer
B. Producing cup shaped articles from flat sheet metal blanks
52
Which one of the following is not come under the category of shearing, in connection with the
process of Power press?
Answer
D. Curling
53
Which type of development is mainly using to make an object like truncated cone?
Answer
B. Radial line development
54
Which type of development is mainly using to make an object like transition piece?
Answer
C. Triangulation method
55
Which type of development is mainly using to make an object like cylinder and its oblique?
Answer
A. Parallel line development
56
Which method of development is mainly using to make an object like hemispherical shape?
Answer
D. Geometrical construction
57
Which among the following machine is generally using to do an internal Locked Grooved
Seam on a cylindrical component?
Answer
C. Seam closing machine
58
What will be the allowance of Locked Grooved Seam, if the available width of a hand groover
is 6.5 mm and sheet thickness is 0.5 mm?
Answer
A. 5 mm
59
Which one of the following seam is known as Bottom double seam?
Answer
D. Knocked up Seam
60
Which seam is generally using for duct fabrication work?
Answer
D. Hammer lock Seam
61
Among the following seams, which one is similar to Pittsburgh seam and it is a role formed
seam made by machine?
Answer
D. Snap lock Seam
62
What should be the lapped width of soldered lap joint for the sufficient contact of solder on it?
Answer
A. 2 to 10 times of the sheet thickness
63
What is the other name of Stake Joint?
Answer
C. Toy joint
64
Trace out the odd one from the options given below :
Answer
D. Embossing
65
Size of the rivets are determined by :
Answer
B. Diameter and Length of Shank
66
What is the Tin Lead composition ratio of Extra Fine Solder?
Answer
B. 66 : 34
67
How many classes of filler material used in brazing process?
Answer
A. Two
68
Which colour is painted in oxygen cylinder used for gas welding?
Answer
B. Black
69
What is the ignition temperature of steel for gas cutting?
Answer
C. 875°C to 900°C
70
What is the arc temperature of Shielded Metal Arc Welding?
Answer
A. 3600°
71
Which one of the following is not the part of Gas Metal Arc Welding accessory?
Answer
D. Oxygen Cylinder
72
What is the maximum current ampere in TIG welding
Answer
B. 300
73
How many steps in Spot Welding?
Answer
C. Three
74
Name of the electrode material used for plasma cutting is :
Answer
C. 2% Thoriated Tungsten
75
Which one of the following cutting process the least Kerf is achieved?
Answer
C. Laser
76
In water jet cutting the typical distance of nozzle from the work piece is :
Answer
A. 3.175 mm
77
The maximum diameter of hole drilled by bevel gear type drilling machine is :
Answer
C. 6 mm
78
Which one of the following is not the part of power shearing machine?
Answer
B. Drift
79
What is the capacity of medium duty press brake?
Answer
A. Between 75 and 150 tonnes
80
What is the minimum inside corner radius of bend in Bar folder?
Answer
B. 1.5 times the metal thickness
81
How circular shears are classified?
Answer
C. According to their spindles on which cutters fixed
82
What is the size of grooves in grooved rollar for a seam closing machine?
Answer
B. 3 mm, 4 mm, 5 mm and 6 mm
83
Which one of the following is not the part of pyramid type roll forming machine?
Answer
D. Gauge
84
Which Buffing material is used for final polishing?
Answer
D. Whiting
85
Which part of the hydraulic pipe bending machine is interchangeable?
Answer
B. Inner Former
86
Which forging tool is used to remove clinkers?
Answer
B. Rake and Poker
87
The capacity of pressure in a 2 stage compressor is :
Answer
C. 500 psi
88
Which Jig is used while drilling small piece parts?
Answer
A. Solid jig
89
The surface preparation method not suitable for light steel work is :
Answer
C. Flame descaling
90
In galvanising process, the thickness of coating is :
Answer
A. 0.002 inch
91
A thin sheet of corrosion resisting metal is placed on the steel is to be protected is known as :
Answer
D. Cladding
92
Aluminium sections are manufactured by ______________ method.
Answer
B. Extrution
93
The Central member of Aluminium door frame is :
Answer
D. Door mullions
94
The included angle of British Standard Whitworth thread is :
Answer
A. 55°
95
What is the ideal temperature for spray painting?
Answer
C. 24°C
96
Radiator tubes are made of :
Answer
B. Copper
97
Heel shaped dolly is used for :
Answer
D. Remove dents on long depth mudguards
98
Total surface area of sphere is :
Answer
C. 4πr 2
99
The volume of cone is :
1 2 4 3
Answer
A. πr h
100
The trigonometric ratio of cos 30° is :
1 3
Answer
B. 2 2
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