Materials and Construction

A. Copper
B. Cast iron
C. Aluminium
D. High carbon steel

A. Brass for low
B. Nickel alloys for high
C. Both A. & B.
D. Aluminium for all

A. 6-8
B. 18-20
C. 30-35
D. 50-55

A. Lead lined steel
B. Rubber lined steel
C. Stainless steel
D. Cast iron

A. Glass
B. Glass lined steel
C. Teflon
D. Bakelite

A. Nichrome
B. Manganin
C. Perminvar
D. Monel metal

A. Cast iron
B. Chemical stoneware
C. Karbate
D. Mild steel

A. Corrosion resistance
B. Tensile strength
C. Machinability
D. Compressive strength

A. White metal
B. Phosphorous bronze
C. Monel
D. Silicon bronze

A. Hardness increases
B. Ductility reduces
C. Tensile strength increases
D. All A., B. and C.