Category: Materials and Construction

A. Tin base alloy
B. White metal
C. Lead base alloy
D. Pure metal

A. Surface coating
B. Heat treatment of high speed steel
C. Cold working on metals
D. None of these

A. Precipitation
B. Fusion
C. Sintering
D. Agglomeration

A. Wrought iron
B. High speed steel
C. Cast iron
D. Pig iron

A. Copper
B. Magnesium
C. Both A. & B.
D. Neither A. nor B.

A. Malleable
B. Whitish in color
C. Brittle
D. Strong and hard

A. Sorbite
B. Troostite
C. Martensite
D. None of these

A. Ferromagnetic
B. Diamagnetic
C. Paramagnetic
D. None of these

A. Are prone to temper brittleness
B. Are used for automobile parts like gears, axle, shaft, bearings etc.
C. Have very poor fatigue resistance
D. Do not contain nickel or chromium or both

A. Aqua regia
B. Chloroform
C. Sulphuric acid (95%)
D. All A., B. and C.