Question:-
Match List-I with List-II and select the correct answer using the codes below the lists:
List-I
A. Neoprene
B. Bakelite
C. Foamed poly-urethane
D. Araldite
List-II
1. Electric switches
2. Adhesive
3. Thermal insulator
4. Oil seal
Option (A)
A B C D
4 1 2 3

Option (B)
A B C D
1 4 2 3

Option(C)
A B C D
4 1 3 2

Option(D)
A B C D
1 4 3 2

Correct Option:
(C)
Question Solution:
(i) Neoprene’s are used as wire and cable chemical tank linings, belts, hoses, seal and gaskets. It has excellent ozone, heat and weathering resistance and also good oil resistance
(ii) Bakelite has excellent thermal stability to over 150°C and may be compounded with a large number of resins, fillers. It is used in motor housing, telephones, auto distributor and electrical fixtures
(iii) Foamed polyurethane are commonly used as cushions in auto mobiles and furniture as well as in packing and thermal insulation
(iv) Araldite has excellent combination of mechanical properties and corrosion resistance, dimensionally stable, good adhesion relatively inexpensive and good electrical properties
question-answer-faq-3274