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71
In a double effect evaporator operating with a thermo-compressor, the fraction of total water evaporated in the first and second effects respectively are
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Answer: Option C
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72
What is the bottom width of a most efficient hydraulic section of a rectangular channel?
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Answer: Option D
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73
Which impeller has a shroud or wall on one side only?
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Answer: Option B
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74
The temperature (in °C) within the cylinder of an internal combustion engine of a tractor ranges between
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Answer: Option B
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75
Farm yard manure contains about . . . . . . . . percentage of nitrogen.
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Answer: Option A
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76
Accurate and inclined placement of seeds to provide rows in two perpendicular airection is known as
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Answer: Option D
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77
The R pocket type disc separator is used for
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Answer: Option B
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78
Bernoulli's principle is based on the law of conservation of
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Answer: Option C
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79
What is the concentration of CO2 in the atmosphere?
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Answer: Option B
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80
Which of the following is not a measure of dispersion?
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Answer: Option A
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