Theory Quiz (DPV10253) - Chapter 5

The welding method which is used to join thin metal sheets?

• Arc welding

• Gas welding

• Resistance welding

• Hydrogen welding

In acetylene cylinder, the acetylene is dissolved in

• Carbon dioxide

• water

• oxygen

• Acetone

Oxidizing flame is a flame which is obtained by supplying

• less volume of acetylene and more volume of oxygen

• more volume of acetylene and less volume of oxygen

• equal volume of acetylene and oxygen

• None of the above

Which of the following welding processes use consumable electrode?

• submerged arc welding

• MIG welding

• TIG welding

The process of joining two pieces in which a non-ferrous alloy is introduced in liquid state between the piece of metals and allowed to solidify, is known as

• welding

• brazing

• lancing

• riveting

In MIG welding process, the gas used for welding aluminium:

• Pure argon gas

• CO2

• Argon oxygen mixture

• Nitrogen

Following method melt the base metal

• Soldering

• brazing

• welding

• all of the above

Following energy source can be used for welding

• electron beam

• friction

• ultrasound

• all of the above

Following is the oldest type of welding

• forge welding

• arc welding

• resistance welding

• oxy-fuel welding

The term 'weld' is of what origin

• English

• spanish

• arabic

• french