Student Ans:
Cells
Ivory
Cellophane
Cellulose
None of the above
Inst. Exp: Chapter 10
1944908766 MultipleChoice 3 False
0 1944908766 MultipleChoice 3
2. Question No. : (TCO 12) High-density polyethylene is composed of
Student Ans:
primarily linear, unbranched chains of polyethylene in a close
packing arrangement.
primarily highly branched, nonlinear chains of polyethylene in a
diffuse packing arrangement.
a mixture of polyethylene & polystyrene.
a mixture of polyethylene & polyester.
polyethylene with high density plasticizers added to increase
density.
Inst. Exp: Chapter 10
1944908767 MultipleChoice 4 True
0 1944908767 MultipleChoice 4
3. Question No. : (TCO 12) Natural rubber can be made from the monomer
Student Ans:
ethylene.
propylene.
butadiene.
isoprene.
methylene.
, Inst. Exp: Chapter 10
1944908768 MultipleChoice 7 True
0 1944908768 MultipleChoice 7
4. Question No. : (TCO 12) Which of the following is NOT true of composite materials?
Student Ans:
They contain high-strength fibers, often made of glass, graphite, or
ceramics.
The fibers provide support to the composite material.
The fibers are usually held together by a thermosetting
condensation polymer.
A & B are true.
All of the above are true.
Inst. Exp: Chapter 10
1944908769 MultipleChoice 11 False
0 1944908769 MultipleChoice 11
5. Question No. : (TCO 12) The monomer of polypropylene is
Student Ans:
CH2=CH2.
CH2=CH-CH3.
CH3CH3.
CH3CH2CH3.
CH2=CH-CH=CH2.
Inst. Exp: Chapter 10
1944908770 MultipleChoice 13 True
0 1944908770 MultipleChoice 13
6. Question No. : (TCO 11) The process of positron emission can be considered as the
Student Ans:
conversion of a neutron to a proton & a positron. The positron is
emitted.
conversion of a neutron to a proton & an electron. The electron is
emitted.