Matse 201 - Study guides, Class notes & Summaries

MATSE 201 Exam 1 Theoretical Questions With 100% Correct Answers What is true regarding the crystal systems? there are 7 shapes that can completely fill 3D space through translational symmetry Which of the following is not one of the crystal systems? Face centered cubic examples of crystal systems: tetragonal, rhombohedral, trigonal Elemental metals do not commonly crystallize in which of the following lattices Simple cubic Which direction has the highest linear density in ...

Matse 201 Exam 2 Questions With Verified Answers phase a chemically and structurally homogenous state of matter α single alpha phase; where solid solution between 2 components exist L+ α 2 phase region, mix of liquid phase and alpha phase containing both components ; Degrees of freedom refers to number of externally controlled variables( temp, pressure, system composition) which must be specified to define the state of the system F=C-P+2 where .. F= deg. of freedom C= ...

Matse 201 Exam 3 Questions With Verified Answers 3R above the debye temp, the heat capacity levels off to this value higher the debye temp is higher/lower for ceramics than for metals phonon quantized mode of vibration in a crystal alpha coefficient of thermal expansion is denoted by decreases alpha increases/decreases with increasing bond strength stronger, closer stronger/weaker bonds and farther/closer atomic spacing facilitates heat transfer decrease def...

Metalsmetallic bonding where electrons are delocalized - dense, stiff, strong, ductile - high thermal & electrical conductivity - opaque, reflective Polymers/plasticscovalent bonding where electrons are shared - soft, ductile, low strength, low density - thermal & electrical insulatiors - optically translucent or transparent

MATSE 201 MIDTERM EXAM {30 Questions and Answers} Newest Update Which is true regarding the crystal systems?

MATSE 201 Final Exam Questions With Answers When a material acquires heat, it will gain kinetic energy in the form of quantized vibrations called _____________. A) thermal shock B) thermal conductivity C) phonons D) photons C) phonons The relationship between heat transferred to and absorbed by a substance is given by, Q=m•c•∆T. Which of the following is a major assumption for that relationship? A) No change in dimension over temperature range of ∆T B) No phase change ov...

Matse 201 Exam 1 With Complete Solutions ...

MATSE 201 Exam 1 Questions With Answers Graded A+ In order to define a crystal structure, one must know the Bravias lattice and basis Which of the following is NOT one of the 7 crystal systems? Face centered cubic Elemental metals do not commonly crystallize in which of the following lattices Simple Cubic Which direction has the highest linear density in a crystal of Cu that crystallizes in the fcc? [110] Which direction has the highest linear density in a crystal of Na ...

response of materials to heat increase heat capacity; changes in phase lead to absorption of heat, thermal conductivity; failure - thermal shock phonon a quantum of energy resulting from vibrational waves in a solid heat capacity represents the energy required per unit mass to change the temperature of a substance by 1 degree C thermal expansion an increase in temp leads to a greater amplitude of atomic vibrations within a solid; coefficient of thermal expansion alpha thermal condu...

wavelengthseach type of electromagnetic radiation is characterized by a given range of reflected, transmitted, absorbedintensity of incident beam of light is a sum of the light that is ________, _________, and __________ absorption,decrease in velocity of radiationtwo results of electronic polarization are thinonly very thin/thick metal films are transparent to visible light truetrue/false metals are transparent to light of high frequencies .9 and .95reflectivity is when Ir/I0 is between ...