Goods Pingvin78

Task 20 A concrete dam has

 3
$0.51

Task 20a

$0.51

Task 21 On a pipeline of constant cross-section

 2
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Task 21a

$0.75

Task 22 Calculate the pressure loss

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Task 22v

$0.77

Task 23 Determine the flow rate when feeding

 1
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Task 23a

$0.77

Task 24 Determine the strength and position

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Task 24a

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Task 25 Pump with a supply of 7.2

 8
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Task 25a

$0.51

Task 26 Determine the loss of pressure

 1
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Task 26v

$0.77

Task 27 Determine the diameter d of the horizontal

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