Browse topic-based Electrical and Electronics practice sets.
1594 practice sets · Page 4 of 80
Which of the processes can be classified as fusion welding?
Arc welding and Laser beam welding
Friction welding and Laser beam welding
Friction welding and Ultrasonic welding
Ultrasonic welding and Laser beam welding
Which of the following is a weld joint?
T joints
Corner joints and edge joints
all of the above
butt and lap joints
Which of the following types is not fillet weld?
lap joint
T-joint
Corner joint
butt joint
The metals having good weldability, in descending order are
carbon steel, iron, cast steel, cast iron
iron, carbon steel, cast steel, cast iron
cast iron, iron, carbon steel, cast steel
cast steel, iron, carbon steel, cast iron
The voltage needed in resistance welding does not depend upon
Area
Thickness of weld
Length of weld
Composition
Which of the following is not true in regard to welding joint?
Heavy in weight
Economical
Have a pleasing appearance
Exhibit excellent strength characteristics equal to or even stronger than the base component
In which of the following process, heat is created by blacksmith fire
Spot welding
Projection welding
Seam welding
Forge welding
Which of the following ray is not produced during welding?
Visible light rays
Infrared ray
Ultra violet rays
Gamma rays
Which of the following welding process uses non-consumable electrode?
Shielded metal arc welding
shielded welding
Gas metal arc welding (MIG)
Gas tungsten arc welding (TIG)
Which of the following is an example of plastic welding?
Arc welding
Forge welding
Thermit welding
Gas welding
Which of the welding processes utilize a non-consumable electrode?
Plasma Arc and Shielded Metal Arc
Shielded Metal Arc and Gas-Metal Arc
Gas-Metal Arc and Plasma Arc
Gas-tungsten Arc and Plasma Arc
Which of the following is not true for gas welding?
It is suitable for thin sheets
It is slower than arc welding
There are safety problems in storing and handling the gases
Heat effected zone and distortion are less as compare to arc welding
Which of the following is false regarding material to be welded and its corresponding welding process?
higher-alloy steels - GMAW and GTAW welding
Stainless steel - GTAW, GMAW and shielded-metal arc welding
Aluminium alloys - GMAW or GTAW process
high-carbon steel - shielded-metal arc, flux-cored arc, and submerged arc welding
Which flame is suitable for welding steel?
Carburising flame
Neutral flame
None of the above
Oxidising flame
Which flame is suitable for welding of non ferrous metals (brasses and bronzes)?
Carburising flame
Neutral flame
None of the above
Oxidising flame
Which flame is suitable for cutting operations?
Carburising flame
Neutral flame
None of the above
Oxidising flame
Which flame is suitable for welding of ferrous metals, Cu and Al alloys?
Oxidising flame
Carburising flame
Neutral flame
None of the above
Which of the processes can be classified as solid state welding?
Oxyfuel welding
Electron beam welding
Diffusion welding
Resistance welding
Heat is created by the chemical reaction in
Resistance welding
Oxy-acetylene welding
Tungsten arc welding
Thermit welding
Which of the following welding process is used for welding of sheet metals in automobile and air craft industries?
Shield metal arc welding
Gas tungsten arc welding
Thermit welding
Resistance welding
