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61
The units of the rate constant for a second order reaction are
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Answer: Option C
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62
The single most imortant requirement for a turbine blade material is
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Answer: Option C
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63
Moist climate is the most favourable factor in the site selection far a
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Answer: Option B
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64
__________ wire is never used for making the heating element.
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Answer: Option C
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65
Basic open hearth furnace (BOF) is not used for producing __________ steel.
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Answer: Option C
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66
Water flow in the river during flood can be categorised as the __________ flow.
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Answer: Option B
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67
__________ is a non volatile film forming constituent of a paint.
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Answer: Option C
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68
The forms in which various metals and non metals occur in nature are called minerals. Which of the following is not a metallic ferrous mineral?
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Answer: Option D
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69
Which of the following alloying elements when added in steel does not improve its lachinability?
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Answer: Option C
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70
Sudden immersion/dipping of red hot steel bar in water makes it
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Answer: Option C
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