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- 1. Multiple Choice
Select the disadvantage of synthetic fibers .
Durable
non - biodegradable
Good elasticity
light weight
none of these
- 2. Multiple Choice
Monomer of Rayon and Nylon respectively.
Rayon - Amide , Nylon - cellulose
Rayon - strongest , Nylon - Acrylonitrile
Rayon- cellulose , Nylon- Amide
none of the above
- 3. Multiple Choice
Which item is easy to mould ?
Cotton
jute
Acrylic
Plastic
- 4. Multiple Choice
another name of thermosetting plastic is :
PET
Both A and c
Thermoset
Thermo plastic
- 5. Multiple Choice
All synthetic fibers are made up of chemicals called :
petrolchemicals
petrochemicals
Both A and b
none of the above
- 6. Multiple Choice
Which cloth is not preferred to wear in kitchen.
Rayon
Nylon
Polyester
acrylic
- 7. Multiple Choice
synthetic fibers are ................ than natural fibers.
Costly
cheaper
unconfortable
thicker
- 8. Multiple Choice
the word polyethene can be separated as follows :
poly+thene
poly+ethene
polye+thene
all of the above
- 9. Multiple Choice
! example of rayon
cotton
jute
A is the answer but not B
both A and B are correct
- 10. Multiple Choice
plates ( eating one ) are made up of thermoplastic ?
true
False
- 11. Multiple Choice
identify the type of cloth
Rayon
acrylic
nylon
jute
- 12. Multiple Choice
Identify the type of cloth
wool
acrylic
polyester
nylon
- 13. Fill in the Blank
which cloth give us the exact heat of woolen cloth.
( other than wool )
- 14. Multiple Choice
identify the diagram ( respectively )
a) linear b) cross linked
a) cross linked b) linear
both A and B are correct
none of the above
- 15. Multiple Choice
select all the disadvantages of synthetic fibers .
durable
uncomfortable during summer
less weight
melts and burns easily
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