Category: Materials and Construction

A. Cast iron
B. Babbitt metal
C. Pig iron
D. Steel

A. Oxygen
B. Arsenic
C. Antimony
D. Bismuth

A. Nickel
B. Rubber
C. Aluminium
D. Glass

A. Used for making axle & shafts of aeroplanes, automobiles and locomotives
B. Having poor fatigue resistance
C. Having poor toughness
D. Not helpful in producing cleaner steel due to oxidising action of vanadium

A. Carbon
B. Volatile matter
C. Ash
D. Moisture

A. For producing zinc base die casting alloys
B. In its oxide form as pigments
C. As anode for corrosion prevention in boiler
D. As an alloying element in various bronzes

A. Caustic soda
B. Chlorinated brine
C. Hypochlorous acid
D. All A., B. and C.

A. Chromium
B. Vanadium
C. Cobalt
D. Molybdenum

A. 6
B. 5
C. 3
D. 2

A. Normalising
B. Tempering
C. Artificial ageing
D. Solution annealing