t3f02 - Home Introduction Policies Resources Requirements...

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Unformatted text preview: Home Introduction Policies Resources Requirements & Grading Syllabus Assignments Handouts Discussion Web Links Distance Learners Contact MSE 200 Test 3 Answer all the questions. All percentages in phase diagrams and iron-carbon diagram are we Q1. 1. Label the above phase diagram and determine the correct labeling of the diagram (b ) 2. The above phase diagram represents at higher temperature an a. isomorphous system b. limited solubility c. no solubility.................. (a ) 3. The above phase diagram represents at room temperature a. isomorphous system b. limited solubility c. no solubility................... (b ) 4. The invariant point in the phase diagram is a. eutectic point b. eutectoid point c. none ..........................................(b ) 5. The phases that will be present at room temperature in a 50%B alloy are a. L+S+ .....b. S+ + .........c. and ...............................................( c) Q2. In the phase diagram given below with correct labeling, determine the following and ans 1. The number of components is a. 1 b. 2 c.3 (b ) 2. The number of regions with degrees of freedom equal to 2 in the diagram are a. 2 b.3 c. 4 (b ) 3. The solubility of B in A at room temperature is a. zero b. below 10% c. above 10% (b ) 4. The solubility of A in B is a. 50% b. zero c. 100% (b ) 5. The number of regions with only one degree of freedom are a. 3 b. 2 c. 5 (c) 6. The number of invariant points with a reaction at one composition and one temperature ar a. 2 b. 1 c. 0 ( a) Q3. Answer the following questions in the phase diagram given below....
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This note was uploaded on 10/11/2009 for the course MSE 200 taught by Professor Wholedepartment during the Spring '08 term at N.C. State.

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t3f02 - Home Introduction Policies Resources Requirements...

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