WorksheetsQuiz on Advanced and New-Age Materials
Total questions: 10
Worksheet time: 5mins
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
