IMSE 250 EXAM 1 COMPLETE QUESTIONS WITH 100% VERIFIED ANSWERS

IMSE 250 EXAM 1 COMPLETE QUESTIONS WITH 100% VERIFIED ANSWERS .Cr, W, and V are commonly used metal elements added to steels to product cutting tools. They all have __________ crystal structure. A.) body-centered cubic B.) face-centered cubic - ANSWERS-A .Please judge the following statement: units that we usually use to evaluate strain are mm and inch. A.) True. B.) False. - ANSWERS-B .What is the name of a copper zinc alloy? A.) Brass. B.) Bronze - ANSWERS-A .Which one of the following materials has the lowest carbon content? A.) Cold finish mild steel B.) White cast iron. C.) T10 tool steel. - ANSWERS-A .Please judge the following statement: units that we usually use to evaluate stress are MPa (mega pascal) and psi (pound per square inch) A.) True. B.) False. - ANSWERS-A .Stainless steel's resistance to corrosion and staining and low maintenance make it an ideal material for many applications. Besides carbon and iron, stainless steel must also have __________ (element). A.) tungsten B.) cobalt C.) titanium D.) chromium - ANSWERS-D .Which one of the following is NOT a safe practice in a machine shop? A.) Always stop the machine before cleaning it or taking measurements of the workpiece. B.) Always wear gloves when operating machinery. C.) Do not lubricate a machine while it is in motion. D.) Always secure the workpiece. Use clamps or a vise. - ANSWERS-B .The ductility of a steel test specimen can be found out by studying ___________. A.) the ability of the specimen to absorb mechanical shocks without fracturing B.) the ability of the specimen to stretch before it fractures C.) the maximum force the specimen can take before it fractures D.) the maximum force the specimen can take before it deforms permanently - ANSWERS-B .The tensile strength of the steel wire at the bent location will be __________. A.) increased B.) decreased C.) the same - ANSWERS-A .The Young's modulus of the steel wire at the bent location will be ___________. A.) increased B.) decreased C.) the same - ANSWERS-C .The yield strength of the steel wire at the bent location will be __________. A.) increased B.) decreased C.) the same - ANSWERS-A .Please identify what type(s) of deformation happened during this paper clip bending process. A.) Plastic deformation. B.) Elastic deformation.