Quiz on Advanced and New-Age Materials

What is the primary composition of Silicon-chromium Steel?

• 70-80% Silicon and 10-20% Chromium

• 60-70% Silicon and 20-30% Chromium

• 50-60% Silicon and 30-40% Chromium

• 90-95% Silicon and 5-10% Chromium

What is a key benefit of adding Silicon-chromium Steel to stainless steel production?

• Enhances corrosion and heat resistance

• Improves electrical conductivity

• Increases the cost of production

• Reduces weight of the steel

What process is used to produce Silicon-chromium Steel?

• Cold rolling of steel sheets

• Casting in a mold

• Carbothermic reduction in an electric arc furnace

• Electrolysis of water

What is the typical nitriding temperature range for nitriding steel?

• 600-700 ℃

• 800-900 ℃

• 480-570 ℃

• 200-300 ℃

Which element is commonly added to nitriding steels to enhance their properties?

• Zinc

• Lead

• Copper

• Aluminum

What is the main advantage of Austenitic Manganese Steel?

• High thermal conductivity

• Low cost of production

• Increased ductility and toughness

• High electrical conductivity

Who discovered Austenitic Manganese Steel?

• Henry Bessemer

• R. A. Hadfield

• Thomas Edison

• Albert Einstein

What is the typical carbon content range in Hadfield's austenitic manganese steel?

• 2.0 to 2.5%

• 0.5 to 1.0%

• 1.5 to 2.0%

• 1.0 to 1.4%

What is a common application for nitriding steels?

• Building construction materials

• Electrical wiring

• Automotive components like camshafts

• Household appliances

What is the effect of high nitriding temperatures on steel hardness?

• No effect on hardness

• Decreases hardness

• Makes steel brittle

• Increases hardness