A. Ductile & resistant to corrosion/rusting
B. Weldable easily
C. Having uniform strength in all directions
D. Having maximum tensile strength along the lines of slag distribution
Related Mcqs:
- Wrought iron is never shaped by__________________?
A. Casting
B. Cold working
C. Forging
D. Welding - Wrought iron does not have__________________?
A. Uniform strength in all directions
B. Ability to hold protective coating
C. High ductility & corrosion resistance
D. Easily weldable characteristics - Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of_________________?
A. Lumps
B. Pellets
C. Briquettes
D. Sinter - _____________________ of grey cast iron produces white cast iron?
A. Tempering
B. Rapid heating
C. Rapid cooling
D. Slow cooling - Annealing of white cast iron produces _____________________ iron?
A. Grey
B. Nodular
C. Malleable
D. Spheroidal - ______________________ iron is produced by the annealing of white cast iron?
A. Malleable
B. Nodular
C. Ductile
D. Grey - Iron content in Indian iron ore is about _________________ percent?
A. 80-85
B. 60-65
C. 40-45
D. 20-25 - Cast iron contains ____________________ percent carbon?
A. 2.5
B. 3.75
C. 4.75
D. 5.25 - Steel & cast iron pipes are produced by ______________ casting ?
A. Slush
B. Die
C. Investment
D. True centrifugal - Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its________________?
A. Lower cost
B. Abundant availability
C. Resistance to vegetable acids as the tin plate are commercially used in ‘canning’ industry
D. None of these
