Podcast
Questions and Answers
Which element is the major strength agent in carbon steels?
Which element is the major strength agent in carbon steels?
- Iron
- Carbon (correct)
- Sulfur
- Phosphorus
What is the carbon content range for medium-carbon steel?
What is the carbon content range for medium-carbon steel?
- More than 1.40%
- Less than 0.30%
- 0.70 to 1.40%
- 0.30 to 0.70% (correct)
What defines tool steel according to U.S steel producers?
What defines tool steel according to U.S steel producers?
- Capability of being hardened and tempered (correct)
- Presence of alloying elements
- High carbon content
- Ability to resist corrosion
What does hot hardness refer to in tool steels?
What does hot hardness refer to in tool steels?
What differentiates stainless steel from other steels?
What differentiates stainless steel from other steels?
What defines low-alloy steels?
What defines low-alloy steels?
Which class of stainless steel has carbon content less than 0.2%?
Which class of stainless steel has carbon content less than 0.2%?
Which type of cast iron has a hard as-cast structure and is difficult to machine?
Which type of cast iron has a hard as-cast structure and is difficult to machine?
What mechanical testing technique is used to determine how strong a material is and how much it can be stretched before it breaks?
What mechanical testing technique is used to determine how strong a material is and how much it can be stretched before it breaks?
Which test measures a material's resistance to brittle fracture when a crack is present?
Which test measures a material's resistance to brittle fracture when a crack is present?
Which type of stainless steel has at least four major alloying elements, including chromium, carbon, and nickel?
Which type of stainless steel has at least four major alloying elements, including chromium, carbon, and nickel?
What type of cast iron contains nodular or spheroidal graphite?
What type of cast iron contains nodular or spheroidal graphite?
What is the measure of how much a material expands or contracts with a change in temperature?
What is the measure of how much a material expands or contracts with a change in temperature?
Which mechanical test is used to determine shear strength or resistance to torsional deformation?
Which mechanical test is used to determine shear strength or resistance to torsional deformation?
Which type of cast iron alloy is the most common?
Which type of cast iron alloy is the most common?
What is the name of the inventor of the impact test to measure energy absorbed by a standard notched specimen?
What is the name of the inventor of the impact test to measure energy absorbed by a standard notched specimen?