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.Management Sciences
A. Hardness increases
B. Ductility reduces
C. Tensile strength increases
D. All A., B. and C.
Related Mcqs:
- Containers made of high silicon cast iron (14% Si) are not suitable for the storage of ____________________?
- A. Acetic acid B. Benzoic & boric acids C. Phosphoric acid (95%) & sulphuric acid (95%) D. Hydrochloric acid (concentrated)...
- In SO3 absorber (Contact Process), packing material used is of________________?
- A. Cast iron B. Chemical stoneware C. Karbate D. Mild steel...
- A hardness depth of about 3 mm can be achieved by induction hardness in ______________ seconds?
- A. 5 B. 100 C. 250 D. 500...
- Silicon percentage in iron castings to have maximum hardness should be about__________________?
- A. 0.3 B. 0.5 C. 0.8 D. 2.5...
- Tin coating on metals is not done by_____________________?
- A. Spraying B. Powder metallurgy C. Hot dipping D. Electro-deposition...
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