1. Which of the following is the slip system for the simple cubic crystal struct
ID: 1713644 • Letter: 1
Question
1. Which of the following is the slip system for the simple cubic crystal structure? (a) (100)c110 (b) (1103110> (c) (100, 010> 2. Atoms of which ofthe following elements will diffuse most rapidly in Fe(r=0.124 nm)? (a) Mo ( 0.136 nm) (b) W (r = 0.137 nm) (C) Cr (r = 0.125 nm) (D) C (r = 0.071 nm) 3. Which if the following statements are true about the Eutectic point on a two component (compounds A and B) phase diagram? (a) Both compounds are solid (b) The melting point of the mixture is lower than the melting points of either of the individual compound. (c) One compound is in the liquid phase whilst the other is in the solid phase (d) It always occurs when the ratio of compound A to compound B is 50:50 Figure I shows the tensile stress-strain curve for an alloy steel. What is this alloy's yield strength? 4. (a) 1400 MPa (b) 1600 MPa (c) 1950 MPa (d) 50,000 MPa 300 2000 103 psi 300MPa 2000 200 5. Figure I shows the tensile stress 200 strain curve for an alloy steel. What is this alloy's modulus of elasticity? 1000 1000 100 100 (a) 50 GPa (b) 22.5 GPa (c) 1,000 GPa (d) 200 GPa 0.000 0.005 0.010 0.015 0.000 0.020 0.060 0.080 0.040 Strain Figure 1: Questions 4-5.Explanation / Answer
1. C = {100}<010>
2. D = Carbon
3. Option B . Melting point of mixture is lower than melting points of individual compound
4. A = 1400 Mpa
5. D = 200 GPa
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.