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61
__________ does not contain copper as an alloying element,
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Answer: Option A
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62
Copper has very low
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Answer: Option C
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63
Bearings subjected to light load are made of
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Answer: Option B
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64
Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and
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Answer: Option B
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65
In the kraft (sulphate) process for the paper manufacture, the digestor is made of
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Answer: Option B
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66
Which of the following is produced by addition polymerisation?
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Answer: Option A
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67
Ammonium chloride solution is stored/ treated in __________ vessels/pipes.
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Answer: Option C
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68
Wood metal is not used for making
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Answer: Option C
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69
Evaporators used in caustic soda recovery and production plant are made of
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Answer: Option A
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70
Silicon percentage in acid resistant cast iron is about
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Answer: Option C
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