Graphite is being used for rocket nozzles, and wing leading edges and nose cones of reentry vessels because of its:
A. Light weight and good mechanical strength at extremely high temperature
B. Use with practically all mineral acids, salts solutions, alkalies and organic compounds
C. Easy machining qualities, together with its availability in many size and shapes
D. High thermal conductivity
Answer:A
Graphite is being used for rocket nozzles, and wing leading edges and nose cones of reentry vessels because of its:
A. Light weight and good mechanical strength at extremely high temperature B. Use with practically all mineral acids, salts solutions, alkalies and organic compounds C. Easy machining qualities, together with its availability in many size and shapes D. High thermal conductivity