MSE 250 TEST QUESTIONS AND CORRECT ANSWERS

MSE 250 TEST QUESTIONS AND CORRECT ANSWERS


The central tenet of Materials Science and Engineering is to determine the
inter-relationships between:

(a) Beauty-Synthesis-Microstructure

(b) Composition-Synthesis-Performance

(c) Structure-Processing-Properties

(d) Composition-(Performance-to-cost ratio)-Microstructure - ANSWER (c)
Structure-Processing-Properties



The four important classes of materials relevant to this class include:

(a) Metallic, Organic, Insulator and Inorganic

(b) Ceramic, Organic, Conductor, Insulator

(c) Semiconductor, Conductor, Insulator and Polymer

(d) Metallic, Ceramic, Polymer and Composites - ANSWER (d) Metallic, Ceramic,
Polymer and Composites



Which class of material is generally associated with the highest density values at room
temperature?

(a) Composites

(b) Ceramics

(c) Metals

(d) Polymers - ANSWER (c) Metals



Which of the following is the best example of material processing?

(a) Crystalline

(b) Amorphous

, (c) Extrusion

(d) Elastic modulus - ANSWER (c) Extrusion



Cladding is an example of ______ type of processing:

(a) Phase change

(b) Mass change

(c) Deformation

(d) Structural change - ANSWER (b) Mass change



Which of the following is the best example of material property?

(a) Annealing

(b) Single-crystal

(c) Elastic modulus

(d) Forging - ANSWER (c) Elastic modulus



By how many orders of magnitude (powers of ten) does density vary for metals? (choose
the closest value/ approximate value)



Note: Density of metals ranges from 1 g/cm3to about 30 g/cm3



(a) 0.13

(b) 1.3

(c) 13

(d) 130 - ANSWER (b) 1.3



Which of the following is not an example of quantitative property?

(a) Conductivity