Welding and Fabrication Tools

What is the most common type of welding machine used in a fabrication shop?

• MIG welder

• Stick welder

• Plasma cutter

• TIG welder

What gas is commonly used in welding for shielding the molten metal?

• Argon

• Helium

• Nitrogen

• Oxygen

Which polishing tool is used to smoothen the surface of metal after welding?

• grinder

• chisel

• buffer

• sander

What safety equipment should be worn when using an angle grinder?

• Swim goggles, flip flops, winter coat

• Sunglasses, sandals, shorts

• Safety glasses or face shield, hearing protection, gloves, dust mask, sturdy work boots

• Raincoat, umbrella, snow boots

What type of welding machine is best suited for thin metal sheets?

• Plasma welding machine

• MIG welding machine

• TIG welding machine

• Stick welding machine

How should welding gas cylinders be stored in a fabrication shop?

• Keep near open flames and sparks

• Store in a well-ventilated area away from heat sources and combustible materials, secure in an upright position.

• Store in a closed room with no ventilation

• Lay cylinders on their side

What is the purpose of using a wire brush in welding?

• To add flavor to the metal

• To increase the temperature of the metal

• To provide a smooth finish to the weld

• To clean the surface of the metal before welding

What is the function of a welding helmet?

• To improve the welder's vision

• To provide music for the welder

• To keep the welder warm in cold weather

• To protect the welder's eyes, face, and neck from sparks, heat, and ultraviolet/infrared light.

What is the difference between a cutting disc and a grinding disc for an angle grinder?

• Grinding discs are used for cutting, while cutting discs are used for grinding.

• Cutting discs are heavier than grinding discs.

• Both cutting and grinding discs have the same diameter.

• The main difference is in their intended use: cutting discs are for cutting, while grinding discs are for grinding.

What is the role of a welding clamp in the fabrication process?

• To hold pieces securely in place during welding

• To cool down the welding area

• To measure the temperature of the welding material

• To provide additional lighting during welding