Category: Materials and Construction

A. Tin
B. Lead
C. Aluminium
D. Copper

A. Nickel
B. Cobalt
C. Tungsten
D. Chromium

A. Acrylic sheet
B. An elastomer
C. An alloy of lead and tin
D. Aluminium foil clad with Bakelite

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

A. Nodular cast iron
B. Pig iron
C. White cast iron
D. Grey cast iron

A. Constantan
B. Kanthal
C. Chromel
D. German silver

A. Having notches in the specimen
B. Rise in temperature
C. Under stressing the specimen
D. Having scratches on the surface

A. Nickel or glass lined steel
B. Aluminium
C. Tantalum
D. Lead

A. Chromium
B. Nickel
C. Tungsten
D. Cobalt

A. Decreases its tensile strength
B. Decreases its ductility
C. Increases its ductility
D. Does not affect its ductility