1. Engineering
  2. Mechanical Engineering
  3. multiple choice quiz are correct to attain a perfect the...

Question: multiple choice quiz are correct to attain a perfect the...

Question details

MULTIPLE CHOICE QUIZ are correct). To attain a perfect the For each question, each omitted answer or wrong answer core on the quiz, all correct answers must be given, since each correct answer ls worth 1 point and each additional answer beyoed the Percentage score on the quiz is based on the total number of cor- .. Which of the following are the three basie types of static 37. Which one of the follewing typemetals at stresses to which a material can be subjected (three an- swers)? (a) compression, (b) hardness, (c) reduction in area, (d) shear, (e) tensile, () true stress, and (g) yield. tionship best describes the behavior of most metals at room temperature: (a) elastie and perfectly plastic, (b) elastic and strain hardening, or (c) perfectly elastic following types of stress-strain rela- tionship best describes ths behavior of metals at tem- peratures above their respctive recrystalization points: 3.2. Which one of the following is the correct definition of 38. Which one of the ultimate tensile strength, as derived from the results of a tensile test on a metal specimen? (a) the stress en- countered when the stress-strain curve transforma (a) elastic and perfectly plastic, (b) elastic and strain elastic to plastic behavior, (b) the maximum load di vided by the final area of the specimen, (c) the maxi- mum load divided by the original area of the specimen, or (d) the stress observed when the specimen finally modulus of elasticity? (a) aluminum, (b) diamond (e) steel, (d) titanium, or (e) tungsten. 3.10. The shear strength of a metal is usually (a) greater than 3.3. If stress values were measured during a tensile test or (b) less than its tensile strength. which of the following would have the higher value? 3.11. Most hardmess tests involve pressing a hard object into (a) engineering stress, or (b) true stress the surface of a test specimen and measuring the in- dentation (or its effect) that results: (a) true or (b) false. 4. if strain measurements were made during a tensile test, which of the following would have the higher value? 3.12 Which one of the following materials has the highest (a) engineering strain, or (b) true strain. 5. The plastic region of the stress-strain curve for a metal is characterized by a proportional relationship between hardness? (a) alumina ceramic, (b) gray cast iron, (c) hardened tool steel, (d) high carbon steel, or (e) polystyrene. stress and strain: (a) true or (b) false. i Which one of the following types of stress-strain rela- tionship best describes the behavior of brittle materials such as ceramics and thermosetting plastics: (a) elastic and perfectly plastic, (b) elastic and strain hardening, or c) perfectly elastic 3.13. Viscosity can be defined as the ease with which a fluid lows: (a) true or (b) false. 3.14. Viscoelasticity has features of which of the following more traditional material properties (more than one)? (a) elasticity, (b) plasticity, (c) viscosity
Solution by an expert tutor
Blurred Solution
This question has been solved
Subscribe to see this solution