A. Nichrome
B. Tungsten
C. Constantan
D. German silver
A. Cobalt
B. Zinc
C. Nickel
D. None of these
A. Nuts
B. Bolts
C. Chisels
D. Studs
A. Is the hardest metal in common use
B. Is the lightest metal in common use
C. Cannot be scratched by finger nails
D. Cannot be work hardened
A. High co-efficient of friction between journal and bearing
B. Ability to retain lubricant on its surface
C. Low co-efficient of friction between journal and bearing
D. Both B. & C.
A. Copper
B. Aluminium
C. High carbon steel
D. Nickel
A. Compression
B. Extrusion
C. Injection
D. None of these