Steel made from phosphatic iron is_________________?
Steel made from phosphatic iron is_________________?
A. brittle
B. hard
C. ductile
D. tough
E. malleable
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Which is false statement about annealing. Annealing is done to________________?
Which is false statement about annealing. Annealing is done to________________?A. relieve stresses
B. harden steel slightly
C. improve machining characteristic
D. soften material
E. permit further cold workingWhich is false statement about normalizing. Normalizing is done to _________________?
Which is false statement about normalizing. Normalizing is done to _________________?A. refine grain structure
B. reduce segregation in casting
C. improve mechanical properties
D. induce stresses-
E. relieve internal stressesWhich of the following process of steel making is in operation at Tata Iron and Steel Works, Jamshedpur?
Question: Which of the following process of steel making is in operation at Tata Iron and Steel Works, Jamshedpur?
[A].Bessemer process [B].
Open hearth process [C].
Duplex process [D].
Electric process Answer: Option C
Explanation:
No answer description available for this question.
Y-alloy contains
Question: Y-alloy contains
[A].3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium [B].
3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium [C].
4 to 4.5% magnesium, 3 to 4% copper and rest aluminium [D].
5 to 6% tin, 2 to 3% copper and rest aluminium Answer: Option B
Explanation:
No answer description available for this question.
Which is the false statement about wrought iron. It has________________?
Which is the false statement about wrought iron. It has________________?A. high resistance to rusting and corrosion
B. high ductility
C. ability of hold protective coating
D. easily weldable characteristics
E. uniform strength in all directionsWhich one of the following metals would work-harden more quickly than the others__________________?
Which one of the following metals would work-harden more quickly than the others__________________?A. copper
B. brass
C. lead
D. silver
E. aluminium