Numerade

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6. (a) State two reasons why PLC is preferred to hardware control in factory automation. (2 marks)

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Consider the analysis of tariffs. It reveals that from tariffs: Group of answer choices revenue benefits outweigh the loss to domestic consumers. they benefit domestic consumers at the cost of domestic producers. they increase domestic production of the good for which imports face tariffs. although the benefits are unequally shared, everyone is better off. All the other answers are incorrect

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Question 2 Consider the following cascade of heat exchangers, 100°F T? T? 500°F Hex 1 Hex 2 Hex 3 300°F 400°F 600°F T? T? T? Find the minimum total surface area of the three heat exchangers. Data: $mc_p$ = 1000 (Btu h?¹ F?¹) (all streams) Exchanger U (Btu h?¹ ft?² F?¹) Area (ft²) Duty (Btu h?¹) 1 120 A? Q? 2 80 A? Q? 3 40 A? Q? Marking criteria - Formulate the optimisation problem (equations and words, justifying use of equations) - Show spreadsheet implementation - professionally constructed, logical input output structure, results clearly demonstrated. - Discussion and quantification of any uncertainty associated with the result.

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Prepare a plot of the thickness of the electrical diffuse layer versus the ionic strength. Describe the effect of ionic strength on electrical double layer thickness. (At least one example for the calculation of the thickness of the electrical diffuse layer with steps should be present.)

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Choose the false statement about the morphological data in the chart shown below. The "1" in the box means the trait is present and the "0" indicates that the trait is absent. (Check all correct answers) Group of answer choices The shark is not the outgroup since it has one of the derived characteristics (jaws) The lamprey is the only outgroup since it has none of the derived characteristics All organisms in this chart share all of the derived characteristics. Only the gorilla and humans share all of the derived characteristics

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Is the logical expression (p ∨ q) ∨ (q -> p) a tautology, contradiction, conversion or neither?

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a. Compare and contrast the nutritional needs of the individual at each developmental stage. What is similar? What is the difference? (Hint: use resource myplate.gov)

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Given the vector equation r(t) = (-1 + 4t)i + (3 - 2t)j + (-t)k, rewrite this in terms of the parametric equations for the line. x(t) = y(t) = z(t) =

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HELP ON THIS PLEASE!! Think about a eukaryotic gene and its final mRNA product. Which of the following is true? a. Sometimes there are more bases present in the coding strand of DNA than in the final mRNA product, and sometimes there are fewer. b. There are fewer bases present in the coding strand of DNA than in the final mRNA product. c. There are more bases present in the coding strand of DNA than in the final mRNA product. d. There are the same number of bases present in the coding strand of DNA and in the final mRNA product.

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Text: Prove that every bounded and closed set is always a compact set. With ... Text: Prove that every bounded and closed set is always a compact set. With ...

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jon m.