$-$ Oxy Welding

$-$ Are Welding

$-$ MIG Welding

$-$ TIG Welding

$15)$ What type of weld would you do to form a T shape between two pieces of flat bar?

$-$ Butt

$-$ Fillet

$-$ Edge

$-$ Outside Corner

$16)$ The gas metal arc welding process is also known as:

$-$ A$.$ Shielded metal arc welding.

$-$ B$.$ Flux cored arc welding

$-$ C$.$ MIG welding.

$-$ D$.$ Sell$-$shielding process

$17)$ Vaporized metals, such as zinc, cadmium, lead, chromium and beryllium

$-$ A$.$Are hazardous

$-$ B$.$ Can be ignored

$-$ C$.$ Are highly flammable

$-$ D$.$ May cause slag inclusions

$18)$ Oxyacetylene torches can cut?

$-$ A$.$Carbon Steels

$-$ B$.$ Stainless Steels

$-$ C$.$ Aluminum

$-$ D$.$ All of the above

$19)$ The MIG welding process is also known as $...$

$-$ Gas metal arc welding

$-$ Flux cored arc welding

$-$ Self$-$shielded welding

$20)$ Which is the most dangerous occupational hazard occurring to welders?

$-$ UV radiation

$-$ Metal fumes

$-$ Cuts

$21)$ In most cases, where should we place the power source of welding?

$-$ In a well$-$ventilated, uncluttered area

$-$ In an enclosed area

$-$ In the Centre of the space

$22)$ Dirt and moisture accumulated on the wire electrode's surface might cause $...$

$-$ Cold lap

$-$ Porosity

$-$ Electrical shock

$23)$ Which of the following sources can result in hazardous chemical fumes when welding?

$-$ Anti$-$spatter nozzle sprays

$-$ Chlorinated degreasing solvents

$-$ Inert shielding gases

$24)$ TIG is one of the $3$ basic kinds of welding. What does TIG stand for?

$-$ Tungsten Inert Gas

$-$ Tungsten in Gas

$-$ Tungsten Inside Gas

$25)$ Helium and argon are often used in welding. Which type of gas are they?

$-$ Explosive gases

$-$ lonized gases

$-$ Inert gases

$26)$ Argon is a better shielding gas than $\backslash (\backslash$mathrm$\{$CO$\}\_\{2\}\backslash )$ because it allows the application of $...$

$-$ Spray metal transter

$-$ Globular metal transfer

$-$ Short$-$circuit metal transfer Choose the most suitable answer of the following Questions?

$1)$ Welding is a process of joining materials together into one piece?

True

False

$2)$ Welding make the material stronger True False

$3)$ While welding, ventilation should be placed as close to the fume source as practical. True False

$4)$ Long hair, loose$-$fitting clothes, and ties are personal safety hazards around rotating equipment.

True False

$5)$ Is a process of construction that involves the use of gases as well as oxygen to weld metals together?

$-$ TIG Welding

$-$ MMA Welding

$-$ Gas Welding

$16$ All of The answers

$6)$ Other name of MMA Welding?

$-$ oxy welding

$-$ ARC Welding

$-$ oxyacetylene welding

$-$ none of them

$7)$ Used in projects which stainless steel or other light metals are present

$-$ MIG Welding

$-$ MMA welding

$-$ TIG Welding

$-$ Spot Welding

$8)$ It uses in a high$-$productivity, low cost welding process

$-$ MIG Welding

$-$ MMA Welding

$-$ TIG Welding

$-$ Spot Welding

$9)$ Welding process where the electric arc burns between a coated electrode and the work piece

$-$ MMA Welding

$-$ ARC Welding

$-$ MIG MAG Welding

$-$ answer $1$ and $2$

$10)$ How would you prepare heavily rusted mild steel for welding?

$-$ Wash with soap and water

$-$ Grind back to bare metal

$-$ Nothing, I would weld over it

$-$ Give it a light sand with $240$ grit sandpaper

$11)$ This machine for

$-$ MMA Welding

$-$ Spot Welding

$-$ Tig Welding

$-$ none of the above

$12)$ What is an "inert gas" as used in Metal Inert Gas $($MIG$)$ Welding?

$-$ A gas that cools the weld zone to prevent cracking.

$-$ A gas that prevents porosity by burning a hot neutral flame.

$-$ A gas that does not chemically react with other elements to help produce a quality weld.

$-$ A gas that heats up the weld zone to create a better quality weld.