laser

1. What is the primary advantage of laser welding compared to traditional welding methods?

• Lower cost
  

• Higher precision
  

• Faster production
  

• More energy consumption

Which type of laser is commonly used in laser welding?

• Carbon dioxide laser

• 
  Fiber laser
  

• Neodymium laser
  

• Argon laser

What is the common use of laser welding in the automotive industry?

• Joining body panels

• Grinding wheels

• Welding large steel structures
  

• Cutting heavy metal plates
  

Mixing two or more metals or a metal and a non-metal to create a material with improved properties.

• welding

• alloying

• cutting

• drilling

Which type of laser is commonly used in industrial applications for cutting thick materials?

• Diode laser
• Nd:YAG laser
• CO2 laser
• Fiber laser

What is the main purpose of alloying?

• To reduce the cost of metals.
• To make metals more brittle.
• To increase the weight of metals.
• The main purpose of alloying is to enhance the properties of metals.

Which of the following is NOT a common alloy?

• Gold
• Aluminum
• Steel
• Bronze

What is typically used to prevent oxidation during Laser Welding?

• Shielding gas
• Carbon dioxide
• Water vapor
• Nitrogen gas

What is the primary function of a laser in medical applications?

• Measuring distances

• Heating fluids

• Cutting tissues

• Illuminating areas

Which property is typically enhanced by alloying metals?

• Thermal expansion

• Corrosion resistance

• Electrical conductivity

• Magnetic properties