Pick out the wrong statement about powder metallurgy technique.
A. Powder metallurgy techniques are applied at room temperature
B. Final product in powder metallurgy is not necessarily metallic powder
C. The final product in powder metallurgy is made from metallic powder
D. Silver and nickel when melted together do not mix to form an alloy ; however alloy of these constituents can be made by powder metallurgy technique
Answer: Option A
This Question Belongs to Chemical Engineering >> Chemical Engineering Basics
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
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