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).
The Turbo charger in an engine
A ladder of length $20\text{ m}$ is kept inclined at an angle of $45\text{ deg}$ from the horizontal to reach top of a building. What is the height of the building?
The conical section which is used to represent Boyle's Law Graphically is
Retrograde or backward reading Vernier scale is the scale constructed having _________ numbers of Main Scale Division (MSD) as the secondary scale (vernier) length, '$n$' being the number of equal parts to which Main Scale is divided
Which method is used for Development of Wrapped surfaces?
The double ordinate of a Parabola which passes through the "Focus" is called:
A hole is defined as Dia $25\ (+0.03/-0.00)\text{ mm}$. The mating shaft has a minimum clearance of $0.01\text{ mm}$ and the tolerance on shaft is $0.02\text{ mm}$. Maximum clearance between hole and shaft is:
Which of the following statement is true with respect to Type G feather key?
See the position tolerance representation given below:
Nominal location of the centre of the hole with respect to the coordinate system shown is $(30, 25)$. What is the possible location when both $X$ and $Y$ coordinate together varies maximum on the positive side, meeting the required position tolerance of $0.1$?
Identify the wrong statement with reference to limits, fits and tolerance?
Side surface of tooth of a Gear, below the pitch circle, and perpendicular to the plane of the gear is called
Which of the two combinations performs the same function in AutoCAD?
Top view of a hole is shown in a drawing as follows. What does it indicate?
Refer the figure below. Cartesian coordinate of Points $A$ and $B$ with respect to the coordinate system shown are $(X_1, Y_1)$ and $(X_1, -Y_1)$ respectively. If the polar coordinates of Point $A$ w.r.t the coordinate system shown is $(r, \alpha)$, what is the polar coordinate of Point $B$?
Annealing process is carried out to
1. Relieve the internal stresses
2. Soften the material
3. Produce heterogenous structure
NDT technique used for measuring coating thickness of anodization is
The power developed in a motor is $5\text{ kW}$. If the mechanical efficiency of a motor is $74.5\%$, find the power output of engine in HP ($1\text{ HP} = 745\text{ W}$)
What does 'N' stand for in NURBS?
In V Engines, the engines are arranged in V shape usually at an angle of
Convert speed of $54\text{ km/hr}$ into $\text{m/s}$
What is the Total Surface Area of a Cuboid of $L = 2\text{ m}$, $B = 3\text{ m}$, $H = 4\text{ m}$?
Area of A4 paper is:
The curve generated by a point on a straight line which rolls around a circle or polygon without slip is called:
The isometric projection of a sphere is:
The development of the curved surface of a cone is a _________ of a _________.