Welding saftey
Which material is safest to wear while welding to prevent burns from sparks?
A) Polyester
B)Leather or heavy cotton
C)Nylon
D)Rayon
B)Leather or heavy cotton
What is the primary purpose of a local exhaust ventilation system in a welding shop?
• A) To keep the welding machine from overheating.
• B) To cool down the welder on hot days.
• C) To remove dangerous fumes and gases from the breathing zone.
• D) To blow away shielding gas to save money.
C) To remove dangerous fumes and gases from the breathing zone.
What should you look for before plugging in or turning on an arc welding machine?
• A) The color of the machine's outer shell.
• B) How close it is to the breakroom.
• C) Cracked cables, exposed wires, or damaged insulation.
• D) If the machine has a digital screen.
C) Cracked cables, exposed wires, or damaged insulation.
How should compressed gas cylinders always be stored when not in use?
• A) Lying horizontally on a flat surface.
• B) Upright, chained securely, with valve protection caps on.
• C) Stacked on top of each other to save space.
• D) Unchained so they can be moved quickly in an emergency.
B) Upright, chained securely, with valve protection caps on.
What is the purpose of placing welding curtains or screens around your work area?
• A) To protect passersby from dangerous UV/IR flash burns.
• B) To keep your project a secret from coworkers.
• C) To block out drafts that might cool the weld too fast.
• D) To soundproof the shop.
A) To protect passersby from dangerous UV/IR flash burns.
Why should pants never be cuffed at the bottom while working in a welding shop?
• A) It violates standard dress code policies.
• B) Cuffs can catch flying sparks and ignite.
• C) It ruins the fabric of the pants.
• D) It reduces mobility while walking.
• B) Cuffs can catch flying sparks and ignite.
Welding on metals coated with which of the following materials can produce highly toxic fumes?
• A) Stainless steel
• B) Mild steel
• C) Zinc (Galvanized steel)
• D) Aluminum
• C) Zinc (Galvanized steel)
Combustible materials must be cleared within at least how many feet of the welding area?
• A) 5 feet
• B) 15 feet
• C) 35 feet
• D) 50 feet
C) 35 feet
What should you use to check for gas leaks on cylinder valves and regulators?
• A) A lit match or lighter.
• B) A specialized soap-and-water solution.
• C) Your bare hand to feel for air pressure.
• D) A damp cloth.
B) A specialized soap-and-water solution.
What is the minimum recommended shade number for a welding helmet lens during general arc welding?
• A) Shade 5
• B) Shade 8
• C) Shade 10 to 13
• D) Shade 15
C) Shade 10 to 13