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Indian Space Research Organisation (ISRO) Vikram Sarabhai Space Centre (VSSC) Draughtsman 'B' (Mechanical Trade)

VSSC ISRO Draughtsman 'B' Mechanical Solved Papers

Master official Vikram Sarabhai Space Centre (VSSC), Thiruvananthapuram Draughtsman 'B' (Mechanical) recruitment examination questions across Engineering Drawing & BIS Conventions (SP:46), Orthographic & Isometric Projections, Sectional Views & Development of Surfaces, Geometric Dimensioning & Tolerancing (GD&T), Limits, Fits & Surface Finish, Fasteners, Keys, Couplings & Bearings, Gears, Cams & Power Transmission, AutoCAD / 3D Solid Modeling Commands, Strength of Materials, Workshop Technology & Metrology, and Aerospace Structural Drafting Standards.

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Marking pattern: +1.00 / +4.00 positive, -0.33 / -1.00 (1/4th or 1/3rd per paper shift) negative marking (Official VSSC / ISRO Written Test / CBT Scheme).

100 Questions Page 4 of 4
76

What type of threads is recommended for use by Bureau of Indian Standards (BIS) IS:4218?

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Drawing
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
77

A cylindrical shank having threads on both ends, with the plain portion in between is called:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Drawing
Drafting Evaluation
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Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards
78

Which type of nut is operated using a hook spanner?

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Drawing
Drafting Evaluation
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Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards
79

Reading accuracy of a steel rule is:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Mechanical Metrology
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
80

Nominal Diameter of a rivet connecting plate of thickness '$t$' in mm is given by:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Design
Drafting Evaluation
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Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards
81

In the term orthographic, 'ortho' means:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Engineering Drawing
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
82

The following geometric tolerance symbol signifies:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Engineering Drawing
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
83

For drawing purpose, irrespective of shape of head, bolt head thickness in terms of the diameter of the shank '$d$' is taken:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Drawing
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
84

In riveting row pitch for chain riveting and zig-zag riveting, in terms of maximum pitch '$P$' are:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Design
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
85

In a single strap butt joint, the thickness of cover plate or strap in terms of thickness '$t$' of the plates being joined is:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Design
Drafting Evaluation
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Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards
86

What type of threads is recommended for use by Bureau of Indian Standards (BIS) IS:4218?

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Drawing
Drafting Evaluation
Click an option to evaluate
Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards
87

A cylindrical shank having threads on both ends, with the plain portion in between is called:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Drawing
Drafting Evaluation
Click an option to evaluate
Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards
88

Which type of nut is operated using a hook spanner?

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Drawing
Drafting Evaluation
Click an option to evaluate
Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards
89

Reading accuracy of a steel rule is:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Mechanical Metrology
Drafting Evaluation
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Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards
90

Nominal Diameter of a rivet connecting plate of thickness '$t$' in mm is given by:

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 26.11.2023) Machine Design
Drafting Evaluation
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Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards
91

The tolerance which is specified to control the location of a feature is

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) Engineering Drawing
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
92

The geometric tolerance symbol is specified to control the tolerance of a

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) Engineering Drawing
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
93

In AutoCAD Software, the Dynamic Input system can be toggled on/off by pressing which key of the keyboard

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) CAD Drafting
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
94

Which of the following file types are "raster" files?

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) CAD Drafting
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
95

Which of the following is the Indian Standard followed for General Tolerances in engineering drawings?

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) Engineering Drawing
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
96

In AutoCAD, the 'OVERKILL' command is used to-

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) CAD Drafting
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
97

Top view and front view of an object are shown below- Which of the following can be the possible side view?

TOP VIEWFRONT VIEW
VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) Engineering Drawing
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
98

Name the Screw shown in the figure

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) Machine Design
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
99

Which of the following is the symbol for indicating cylindricity

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) Engineering Drawing
Drafting Evaluation
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Technical Solution & BIS / ISO Standards
100

In AutoCAD software, from which of the following toolbars can the 'Mass Properties' tool be called?

VSSC ISRO Draughtsman 'B' Mechanical (Exam Date: 14.07.2021) CAD Drafting
Drafting Evaluation
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Select an option on the left to reveal the step-by-step drafting rule, BIS SP:46 convention, GD&T tolerance calculation, or CAD command syntax.
Technical Solution & BIS / ISO Standards