Which gas cannot be used to test reactive sample in TGA?
A. N2
B. O2
C. He
D. Ar
Answer: Option B
A. N2
B. O2
C. He
D. Ar
Answer: Option B
Which of the following are not commercially manufactured by powder metallurgy
A. Aircraft brake pads
B. Self-lubricating bearings
C. Tungsten carbide based cutting tools
D. Turbine blades
A. 10 degrees
B. 21 degrees
C. 30 degrees
D. 50 degrees
Which crystal system does not have all axial angles at 90 degrees?
A. Tetragonal
B. rhombohedral
C. orthorhombic
D. cubic
Join The Discussion