| Post Name | JUNIOR INSTRUCTOR (SHEET METAL WORKER)-INDUSTRIAL TRAINING DEPARTMENT |
|---|---|
| Question Paper Code | 025/2020 |
| Category Code | 086/2019 |
| Date of Test | 14 October 2020 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The shape of warning sign in safety is :
Answer
C. Triangular
2
Which extinguisher for fire is most suitable for flammable liquid?
Answer
A. Foam type
3
The specific gravity of zinc is:
Answer
B. 7
4
The melting point of silver is :
Answer
C. 964ο°C
5
Gun metal alloy contains :
Answer
B. Copper, Tin, Zinc
6
Indian standard steel plates are designated as :
Answer
C. ISPL
7
Which of the following metal has highest specific gravity?
Answer
B. Lead
8
Which one of the following sheet metal is the cheapest?
Answer
A. Black iron
9
Which of the following sheet is used for making highly corrosive acid tanks?
Answer
B. Lead sheet
10
The metal sheet used for making food container is :
Answer
D. Tin
11
Name of folded edge on a sheet metal object is :
Answer
B. Hem
12
The reading accuracy of steel rule is :
Answer
C. 0.5 mm
13
Accuracy of outside caliper is limited to :
Answer
B. 0.5 mm
14
In which part of an outside micrometer the datum line marked?
Answer
C. Barrel
15
Vernier Bevel protractor can measure angles precisely to an accuracy of βββββββββββββ
minutes.
Answer
B. 5
16
Which of the following is not the part of a combination set?
Answer
D. Gauge
17
What is the other name of universal combination shear?
Answer
A. Gilbow shear
18
The pitch of hacksaw blade used for cutting high carbon steel is βββββββββββββ mm.
Answer
B. 1.4 mm
19
What is the point angle of Drill for drilling the material steel and cast steel
70 .....120 kg f/mm2?
Answer
C. 130ο°
20
Which of the following screw driver is useful for applying greater turning force?
Answer
C. Offset
21
Which sheet metal seam is used in toys?
Answer
B. Stake joint
22
For a locked grooved joint width of groover 6mm and sheet thickness is 0.5 mm, then width of
the fold is :
Answer
B. 4.5 mm
23
The longitudinal seam used in curved section of duct work is :
Answer
C. Pitsburgh seam
24
Allowance for pan down seam in sheet metal is :
Answer
A. 2W + 2T
25
Which notch is used when single hem meets at right angle?
Answer
C. Slant notch
26
In 'V' Notch both the sides are cut at a βββββββββββββ degree angle to the edge of sheet.
Answer
C. 45ο°
27
What type of development method followed for cone and pyramid?
Answer
C. Radial line
28
Which method of pattern layout is used for twisted taper square?
Answer
A. Triangulation
29
What is the formula for calculating arc length in geometrical construction method of pattern
development?
Answer
A. l ο½ 2 ο° r ο΄ Q ο― / 360
30
What is used in fabrication industries for checking contour of a radius corner while bending
plates?
Answer
B. Templates
31
Which metal in the following is not used for making rivets?
Answer
D. Cast Iron
32
What is the formula generally used in shop floor for length of snap head rivets?
Answer
A. L ο½ T ο« 1.5 D
33
The number of joints commonly used in riveting are :
Answer
B. 4
34
What is the pitch of rivets in chain riveting?
Answer
C. 3D
35
Total sheet metal base thickness upto βββββββββββββ mm can be used for semitubular and
metal piercing rivets.
Answer
D. 2.5 mm
36
Which of the following not the part of lazy tong?
Answer
C. Bush
37
While riveting sometimes rivets tends to bend and deform because
Answer
A. Hole is too large
38
What is the name of the rivet that machined to produce two prongs at the shank end?
Answer
B. Bifurcated rivet
39
Lag screws are available in upto βββββββββββββ inches.
Answer
D. 6
40
Name the cylindrical thin disc with hole in the centre :
Answer
A. Plain washer
41
What is Tin, lead ratio composition in Extra fine solder?
Answer
B. 66%, 34%
42
Which material is used for making soldering iron?
Answer
C. Copper and copper Alloys
43
What type of fuel used in hand forging?
Answer
C. Charcoal
44
What Inorganic flux is used for soldering Tin-Bronze?
Answer
B. Killed spirit
45
Which part of the following is not related to square section segmental bend pipe?
Answer
D. Clearance
46
What is the method of pattern development for a 90ο° Elbow of equal diameter?
Answer
D. Parallel line
47
A Tee joint may be taken as a combination of
Answer
A. Two elbows
48
Which of the following is not a feature essential to do soldering?
Answer
D. Clean with wirebrush
49
What is the method of soldering applied in rectifying the leakage of water tanks and fuel
tanks?
Answer
C. Sweating soldering
50
What is the point angle of a chisel to cut the metal Brass?
Answer
C. 50ο°
51
The chemical formula of Bauxite :
Answer
B. Al 2 O3 n H2O
52
The specific gravity of Copper is :
Answer
A. 8.92
53
Name the alloy from the following combinations, Al 92.5%, Cu 4% ,Ni 2% ,Mg 1.5% :
Answer
C. Y Alloy
54
Which steel is used for making permanent magnet?
Answer
A. Cobalt Steel
55
Calculate the RPM for a high speed steel drill of 24 dia in MS
Answer
D. 398
56
Which type of tool is used for producing number of bends on the same component clearance
for previous bends has to be considered in press brake?
Answer
C. Goose neck punch
57
The operation of forming impressions of figures, letters is called :
Answer
B. Embossing
58
The process of making clean and scratch free surface is called :
Answer
A. Polishing
59
Which type of buffing material is a powdered lava, white in colour used for Scrubbing,
cleaning and polishing?
Answer
D. Pumice
60
Which is not a part of portable hand operated pipe bending machine?
Answer
Question Cancelled
61
The rake and poker is used for :
Answer
A. Remove clinkers from the fire
62
The magnetic effect of DC disturbs the arc in Arc welding is called :
Answer
B. Arc blow
63
GUI stands for in Auto CAD
Answer
D. Graphical User Interface
64
The distance between the junction of the metals and the point where the weld metal touches
the base metal is called
Answer
B. Leg length
65
In welding test, which one is non destructive test:
Answer
C. Water gravity test
66
Which dolly is used for remove dents on long depth mudguard?
Answer
A. Heel shaped dolly
67
How many stages are consider for piston type compressor (2500 pressure (PSI) capacity)?
Answer
C. 3
68
Which function key is used for toggles between ortho mode in Auto CAD?
Answer
D. F8
025/2020 10 A
69
Which command is used for create parallel single copy of a line or arc
Answer
B. Offset
70
This symbol is used for
Answer
A. uto CAD)?
71
Which development method is used for transition forms of pieces?
Answer
C. Triangulation
72
The water jet nozzles are typically made of :
Answer
A. Sintered boride
73
The technique is used to reduce high spots which are sometimes formed as a Panel is planish
This type of hammering is called.
Answer
D. Spring hammering
74
The volume of air sucked by the compressor during its suction stroke :
Answer
B. Swept volume
75
Ferrous metallic surface should be coated with a good βββββββββββββ before painting
enamel.
Answer
D. None of these
76
The process of changing the liquid in tiny droplets is called:
Answer
B. Atomization
77
Which flame is used for Stellite alloy welding?
Answer
C. Carburizing
78
βββββββββββββ is a special type of poly line which is made up of arc segments,it has two
Properties width and closed in Auto CAD.
Answer
Question Cancelled
79
Point angle of chisel used for cutting aluminium :
Answer
D. 30Β°
80
Iron is heated with certain temperature in Zinc dust, zinc absorbed into the surface of iron is
called ?
Answer
C. Sherardizing
81
The following line is used for hidden outlines.
Answer
Question Cancelled
82
βββββββββββββ Function key is used for toggles between objects snap tracking.
Answer
D. F11
83
The device is used for chasing or reconditioning the damaged threads:
Answer
D. Die nut
84
Heat affected zone in plasma arc
Answer
B. 2.54 mm
85
βββββββββββββ Command is used to set a new co ordinate system by shifting the working
X,Y Plane to the decide location in Auto CAD
Answer
A. UCS
86
The points are located with respect to the object
Answer
C. Absolute coordinate method
87
Government clip is also known as :
Answer
A. Cup clip
88
Melting point of aluminium is :
Answer
B. 660Β°C
89
Which type of threads is used in Oxygen gas cylinder?
Answer
B. Right hand
90
To make a metal surface smooth by hammering it over a strike or block is called:
Answer
D. Planishing
91
Hexagon socket wrenches also known as :
Answer
B. Allen key
92
Lazy tong is a
Answer
C. Hand operated riveting tool
93
The colour of acetylene gas cylinder is :
Answer
A. Maroon
94
Not a properties of aluminium strip :
Answer
D. High Brittle
95
The process of covering an area of metal with molten solder is called :
Answer
A. Tinning
96
The process of sheet metal disc rolled to specific shape by forcing the metal to flow over a
suitable mandrel is known as ?
Answer
C. Spinning
97
What is the principle of spot welding machine?
Answer
B. Electric resistance
98
The width of cut produced by a gas cutting operation :
Answer
D. Kerf
99
A basic plasma cutting machine employs :
Answer
C. DC EN
100
Melting point of Nickel is :
Answer
D. 1452Β° C
ββββββββ
025/2020 14 A
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