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Material Science Quiz 10

1. The temperature required for full annealing in hyper-eutectoid steel is
2. Which of the following metal shrinks most from molten state to solid state?
3. A steel containing ferrite and pearlite is
4. The defect which takes place due to imperfect packing of atoms during crystallisation is known as
5. A coarse grained steel
6. Duralumin contains
7. Age hardening is related to
8. The addition of which of the following improves machining of copper?
9. _____________is added in low carbon steels to raise its yield point.
10. In process annealing, the hypo-eutectoid steel is
11. Delta-iron occurs between the temperature range of
12. White cast iron has
13. The stiffness is the ability of a material to resist deformation under stress.
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14. In low carbon steels, presence of small quantities of sulphur improves
15. The aluminium alloy made by melting aluminium with 2 to 10% magnesium and 1.75% copper is called
16. Y-alloy contains
17. The main alloying elements high speed steel in order of increasing proportion are
18. Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?
19. Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities?
20. Cartidge brass can be
Material Science Quiz 10
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