mcq2-13

Which test is commonly used to identify ferrous metals and alloys based on the color, texture, and appearance of the material?

• Visual Test
• Weight Test
• Spark Test
• Sound Test

What is the color of copper, a common non-ferrous metal?

• Red
• Silver
• Grey
• Yellow

Which metal is typically identified by its distinctive red color?

• Lead
• Tin
• Aluminium
• Copper

What is the distinguishing color of brass, which is an alloy of copper and zinc?

• Red
• Silver
• Yellow
• Grey

How are steel bars often identified based on their composition and grade?

• Weight
• Spark test
• Color codes
• Sound test

Which metal tends to have a bluish-grey color and is commonly used for soldering?

• Copper
• Aluminium
• Lead
• Tin