1. Find the wrong statement: Specific heat
of a material ______________.
(a) Constant for a material
(b) Heat
capacity per unit mass
(c) Extrinsic property
(d) Has units as
J/kg-K.
2. Heat capacity has units as
(a) J/kg.K
(b) J/mol.K
(c) J.ohm/sec.K²
(d)
W/m.K
3. Units for thermal conductivity
(a) J/kg.K
(b) J/mol.K
(c) J.ohm/sec.K²
(d)
W/m.K
4. Lorentz constant has units as
(a) J/kg.K
(b) J/mol.K
(c) J.ohm/sec.K²
(d)
W/m.K
5. Thermal expansion of a material has
units as
(a) J/kg-K
(b) J/mol-K
(c) J.ohm/sec.K2
(d)
1/°C
6. Polymers have thermal conductivities in
the range of
(a) < 1
(b) 1-10
(c) 10-100
(d) >100
7. Polymers have thermal expansion
coefficients in the range of _____x10-6.
(a) 0.5-15
(b) 5-25
(c) 25-50
(d) 50-400
8. Coefficient of thermal expansion for
ceramics is the range of _______x10-6.
(a) 0.5-15
(b) 5-25
(c) 25-50
(d) 50-400
9. Metals have thermal conductivities in
the range of
(a) < 1
(b) 1-5
(c) 5-25
(d) 20-400
10. Heat capacity of most materials is approximately
equal to ________.
(a) R
(b) 2R
(c) 3R
(d) R/2
Answers
1. c 2. b 3. d 4. c 5. d
6. a 7. d 8. a 9. d 10. c
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