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71
The temperature at which new grains are formed in the metal is called the __________ temperature.
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Answer: Option B
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72
A material capable of undergoing large permanent deformation, when subjected to compression is termed as
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Answer: Option A
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73
Plasticisers are added to polymers to improve their
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Answer: Option B
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74
DDT is shipped in
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Answer: Option D
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75
'Age hardening' of duralumin is due to
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Answer: Option C
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76
The ability of a material to offer resistance to scratching or indentation is a measure of its
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Answer: Option C
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77
Cast iron has
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Answer: Option D
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78
Hardest materials so far found is
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Answer: Option A
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79
Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of
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Answer: Option B
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80
Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of
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Answer: Option A
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