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51
Brass container is suitable for storing
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Answer: Option B
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52
Hardening of steel is not possible unless it is heated __________ critical point.
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Answer: Option B
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53
Mild steel is a/an __________ steel.
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Answer: Option A
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54
__________ is added in low carbon steel to raise its yield point.
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Answer: Option D
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55
Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets.
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Answer: Option D
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56
Telfon (PTFE) is corroded by
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Answer: Option D
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57
Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a
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Answer: Option B
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58
Electronic structure of a material is generally studied by
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Answer: Option C
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59
__________ alloys have the highest specific strength of all the structural materials out of the following.
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Answer: Option B
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60
Slow plastic deformation of metals under a constant stress is termed as __________ failure.
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Answer: Option C
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