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.
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).
Which of the following letter symbol is not used to represent fundamental deviation?
If no tolerance is specified on a dimension, as per IS 2102 standard (medium grade) tolerancing, an angle specified with shorter side length of $6\text{ mm}$ can have a tolerance of _________ minutes (max).
If the dimensions of a shaft and a hole are specified as below:
Shaft basic size $60\text{ mm}$, specified as $60 \pm 0.020$
Hole basic size $60\text{ mm}$, specified as $60 \pm 0.005$
What is the maximum allowance?
A dimension indicated as $25_{-0.005}^{+0.080}$. What is the maximum limit of size?
The internal angle of a regular pentagon is:
Which of the following statement is not true with regard to Bevel Gear?
If you drag and drop a drawing file into the window of an open drawing,
If the equivalent resistance of the following circuit is $R_1 + X$, Express $X$ in terms of $R_2$ and $R_3$
Identify the wrong statement with respect to profile tolerance?
A thread is defined as $M24 \times 2$, $5H$. In this definition $2$ and $5H$ represents
A lock nut with a fiber ring fitted inside to avoid loosening is called
A small pipe threaded through out on the outside, used for connecting pipes having internal threads is called
Which of the following statement is not true with respect to series and parallel electric circuits?
As per IS:813-1986, the basic symbol of weld shown below represents
Which one of the following is not a bearing material?
What is the smallest storage unit in the computer?
What type of rivet failure is represented in the following sketch?
A precision measuring instrument for checking and setting of angles is:
An object of mass '$m$' rests on a rough horizontal surface. If the angle of friction is '$\theta$', the minimum force required to move the object along the horizontal plane is:
The centre of gravity of a right circular solid cone of height '$h$' is at a distance of _________ from its base, measured along the vertical axis.
The point where the weld face joins the parent metal is called:
Which one of the following materials is highly elastic?
Dye penetrant test is conducted to locate:
A pulley system in which a machine spindle can be driven at different speeds is:
Which belt drive uses 'Guide Pulleys'?