cc mod4

Which of the following is NOT an alloy?

• Nickel

• Brass

• Steel

• Amalgam

Which of the following are defined as class of inorganic and nonmetallic solids that are subjected to high temperature in manufacture use?

• Plastic containers

• Ceramics

• Carbon filters

• Alloys

What is a nonmetal alloying element that is used as a deoxidizer in metals?

• Carbon

• Silicon

• Lead

• Copper

Which of the following alloys is the mixture of copper and zinc?

• Brass

• Steel

• Bronze

• Gold

What is known as activated charcoal?

• Carbon filter

• Carbon air filter

• Activated coal

• Activated carbon

Which one of the following processes shows a chemical reaction of organic compounds in the air or water with the activated carbon which causes the result to stick to the filter?

• Chemical Activation

• Adsorption

• Mixing

• Granulation

What is a metal used to make materials such as aluminum and precipitation-hardenable, which can increase corrosion-resistance in copper but can decrease the corrosion-resistance in aluminum?

• Copper

• Tungsten

• Chromium

• Lead

Which of the following is NOT a property of ceramics?

• Considerable durability

• Great hardness and strength

• High electrical and thermal conductivity

• High melting points

What is the combination of metal with at least one other metal or non-metal?

• Steel

• Micro alloys

• Ceramics

• Carbon filter

What is the combination of copper and tin?

• Silver

• Brass

• Bronze

• Platinum