VSSC Welder Paper 2017

Vikram Sarabhai Space Centre Welder Paper 2017

Property of a substance to oppose the flow of electric current through it is termed as
(a) Electrical conductivity
(b) Electric resistance
(c) Density
(d) Electric pressure

Which of the following process is not a resistance welding process
(a) Spot welding
(b) Projection welding
(c) Percussion welding
(d) Friction welding

Which of the following process essentially require a vacuum atmosphere for welding
(a) Laser beam welding
(b) Plasma arc welding
(c) Electron beam welding
(d) Friction stir welding

An earth clamp is used in arc welding to
(a) Hold the elctrode during welding
(b) Connect the earthing cable to electrode
(c) Connect the earthing cable to work piece
(d) Conduct current from earthing cable to electrode

A device designed for checking the shape and size of welds is called
(a) Weld dial
(b) Weld gauge
(c) Weld indicator
(d) Weld template

Which of the following weld positions is the easiest to weld
(a) Flat
(b) Vertical
(c) Overhead
(d) Horizontal

If the number of passes to make a weld joint is increased, then ______
(a) Distortion increases
(b) Distortion decreases
(c) Will not have any effect on distortion
(d) Will have negligible effect on distortion

The symbol ‘O’ is used to denote a
(a) Seam weld
(b) Spot weld
(c) Projection weld
(d) Flash butt weld

Soldering irons are made of copper because it is
(a) Heavy
(b) Bad conductor of heat
(c) Good conductor of heat
(d) Thermal expansion is more

The type of electrodes that are most prone to the danger of moisture pick up is
(a) Rutile coated
(b) Basic coated
(c) Cellulose
(d) None of the above