A. Rubber
B. Acrylics
C. Lead
D. Plastics
Materials and Construction
Materials and Construction
A. Manganese
B. Carbon
C. Phosphorous
D. Silicon
A. Mainly tin (85%) and lead
B. Saw dust and iron dust mixture
C. Zinc and aluminium
D. Copper and aluminium
A. Has very low strength
B. Cannot be heated
C. Is broken by small temperature changes
D. All A., B. and C.
A. Aluminium
B. High silicon (14%) iron
C. Duralumin
D. Phosphor bronze
A. Wrought iron
B. High speed steel
C. Cast iron
D. Pig iron
A. Organic in nature
B. Stronger in compression than in tension
C. Always amorphous in nature
D. Always bad heat conductors
A. Used in very high temperature applications
B. Non-biodegradable
C. Not suitable for drainage pipe manufacture
D. All A., B. & C.
A. Cast iron packed tower
B. Stainless steel plate tower
C. Packed steel tower lined with acid proof bricks
D. None of these
A. 510
B. 1720
C. 2210
D. 910