A. 770°C
B. 910°C
C. 1440°C
D. 1539°C
E. none of the above
A. improves wear resistance, cutting ability and toughness
B. refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
C. improves cutting ability and reduces hardenability
D. gives ductility, toughness, tensile strength and anticorrosion properties
E. raises its melting point
A. silver metal
B. duralumin
C. Hastelloy
D. monel metal
E. invar
[B].
[C].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.