Ntc Study guides, Class notes & Summaries

ENTC 207 Exam 1Ferromagnetism - correct answer ability of a material to be attracted to a magnet ASTM - correct answer American Society for Testing and Materials ISO - correct answer International Standards Organization Composition - correct answer elemental makeup of a material Microstructure - correct answer the internal and surface features of a material that can be seen under optical or other magnification Metallography - correct answer the art and science of preparing metal s...

ABT NTC PP-L3

Types of cast irons: - correct answer -Gray Iron Malleable Iron White Iron Ductile Iron Alloy Irons Malleable iron is ____ - correct answer -heat treated for ductility White iron is ____ - correct answer -hard and wear resistant Ductile iron has ____ - correct answer -some ductility as cast Cast irons are located where on the iron-iron carbide diagram? - correct answer -Above 2% C Casting methods: - correct answer -sand casting permanent mold die casting investment casting ...

NTC Exam

ENTC 207 Exam 3Types of cast irons: - correct answer Gray Iron Malleable Iron White Iron Ductile Iron Alloy Irons Malleable iron is ____ - correct answer heat treated for ductility White iron is ____ - correct answer hard and wear resistant Ductile iron has ____ - correct answer some ductility as cast Cast irons are located where on the iron-iron carbide diagram? - correct answer Above 2% C Casting methods: - correct answer sand casting permanent mold die casting investment...

ABT-NTC PP-L3

Entc 206- Test 2Polymer - correct answer is a substance composed of molecules with large molecular mass made up of repeating structural units, or monomers, connected by covalent chemical bonds. Synthetic - correct answer describing a substance that has been made artificially thru chemical synthesis; one that does not come from a natural source. Synthetic Polymers - correct answer Fiber, Plastics, Elastomers (or Rubber), protective Coating, Adhesives. What raw material are polymers ma...

Exam 2 ENTC 207Tool Steels - correct answer - Steels that do work to other steels (Working tools) - High alloy and carbon content - Expensive - Made in smaller lots with more controls - Cleanliness extremely critical - Not many made by many companies (limited accessibility Tool Steel Categories - correct answer - Letter and Number - Cold working - Shock Resisting - Hot working - High speed - Mold - Special Purpose Cold Working - correct answer - hardening methods - Prefi...

ENTC 402 Magnetic Question and answers rated A+ 2023/2024Magnetic particle is a nondestructive testing method used for - correct answer locating surface and near surface discontinuities in steel Ferromagnetic material is - correct answer strongly attracted by a magnet The permeability of a material describes: - correct answer the ease with which it can be magnetized The retentivity of a material describes - correct answer the ability to retain the magnetic field

Orthographic Projection - correct answer -2D coordinate system, that draws convection (lines and circles). Orthographic lines are __ D lines - correct answer -2 Main lines are_____ to the x and y axis in orthographic projections - correct answer -parallel Third-Angle Projections - correct answer -are multiple views allow better visualization and clarification of an object Third-Angle Projections - correct answer -has a top, bottom, left, right and front view Technical drawing - co...