A. Bakelite
B. Neoprene
C. Teflon
D. Nylon-66
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Remove double bonds
B. Raise its melting point
C. Improve its resistance to oxidation
D. None of these
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Waterproof
B. Slag
C. White
D. Pozzolan
A. Poorer tensile strength
B. Poorer resistance to oxidation
C. Greater amount of heat build-up under heavy loading
D. All A , B. and C.
A. Nickel
B. Vanadium
C. Silica gel
D. Alumina