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Q2. LO1 (2 marks) -Based on our class discussion, which of the following are true for...
Question 2 [Total Marks 25 High Temperature Solar Thermal Systems a) Describe the principle of operation of a central r...
Question 2 [Total Marks 25 High Temperature Solar Thermal Systems a) Describe the principle of operation of a central receiver concentrating solar thermal system Include a discussion of the method of collecting sunlight, working fluid, generating electricity and storage. Include appropriate diagram(s) in your description 10 Marks Describe the key differences between solar trough and parabolic dish solar thermal b) collectors. Why is the receiver for a parabolic dish located a long way above the rim of the collector, while...
Based on our discussion in class, use indifference curves and budget constraint to illustrate how your...
Based on our discussion in class, use indifference curves and budget constraint to illustrate how your consumption of health care is determined (in relation to all other consumptions). In this case, assume you don’t have health insurance and will face the full price. Now, assume your income has doubled, but everything else remains unchanged, and you still don’t have health insurance. Use indifference curves and budget constraint to illustrate how your consumption of health care will change. Now, you are...
26. Based on our discussion in class, high levels of NADH would likely A. cause pellagra...
26. Based on our discussion in class, high levels of NADH would likely A. cause pellagra B. stimulate glycolysis C. slow down the movement of molecules through the citric acid cycle D. slow down oxidative phosphorylation E. break down carbohydrates 27. What purpose does fermentation serve? A. It regenerates NAD* from NADH to keep glycolysis going in the absence of oxygen. B. It allows for the production of NADH, which keeps the electron transport chain going. C. It produces an...
1) Use the Energy-Interaction Model to explain whether the following statement is true or false
1) Use the Energy-Interaction Model to explain whether the following statement is true or false: "A quantity of ice at 0℃ must contain less total energy than the same quantity of water at 0℃.2) According to the definition of heat in the online reading, can an energy system contain a certain amount of heat? Explain.3) Imagine that you place a piece of copper with an initial temperature of 20℃ in contact with some liquid water with an initial temperature of...
1. Ferrous metals include which of the following A Aluminum B. Copper C Gold D. Steel...
1. Ferrous metals include which of the following A Aluminum B. Copper C Gold D. Steel 2. The two categories of metals that are based onion (Fe) are A Aluminum Alloy & Castle B. Chromium & Nickel C. Manganese & Vanadium D. Cast Iron & Steel 3. Aluminum Alloy, Nickel Alloy, Zinc Alloy, and Titanium Alloy are cumples of A Nonferrous Metals B.Ceramics C Superllos D. Carmets 4. In the heating of most metal alloys melting begins at a certain...
2. [2 marks] [2 marks] (a) Is the following statement true or false? Justify your answer....
2. [2 marks] [2 marks] (a) Is the following statement true or false? Justify your answer. "A use case diagram describes a sequence of use cases representing the behaviour of the system when interacting with its environment (i.e., the actors)." (b) Is the following statement true or false? Justify your answer. "Structural models display the organisation of a system in terms of what the system does." (c) Is the following statement true or false? Justify your answer. "A good design...
Which one of the following statements is true? O H is the value of a measured...
Which one of the following statements is true? O H is the value of a measured under conditions of constant volume. The enthalpy change for a reaction is independent of the state of the reactants and products. Enthalpy is a state function. O Enthalpy is an intensive property. The enthalpy change of a reaction is the reciprocal of the AH of the reverse reaction. QUESTION 2 0.5 points Save Answer Given the following reactions N2 (g) + 2O2 (g) +...
2. A container of ideal gas has a movable frictionless piston. This container is placed in a very large water bath and slowly compressed so that the temperature of the gas remains constant and equal to the temperature of the water. Which of the following
2. A container of ideal gas has a movable frictionless piston. This container is placed in a very large water bath and slowly compressed so that the temperature of the gas remains constant and equal to the temperature of the water. Which of the following statements about this gas are true for this process? (There may be more than one correct choice.) A) Heat leaves the gas during the compression. B) Since the gas and water are at the same...
Which of the following is NOT true? Select one: a. The f-chart design method is a...
Which of the following is NOT true? Select one: a. The f-chart design method is a correlation of the results of many hundreds of thermal performance simulations of solar heating systems performed with TRNSYS. b. The f-chart design method can quickly estimate the long-term performance of solar energy systems of standard configurations c. The f-chart design method can be used for a standard air based solar heating system d. The f-chart design method is used to design commercial-type large scale...
2. In the first week of class, we encountered the following formula: where c is the...
2. In the first week of class, we encountered the following formula: where c is the specific heat of the substance. Now that we know a little more, we may see that the formula is ambiguous, since no particular process by which the temperature increases is specified. Let us explore this point a bit more carefully. a) Assum curves ("isotherms"). After determining which isotherm represents the lower temperature, label the colder isotherm temperature Ti and the warmer one T2. Thus,...
Question 2 [Total Marks 25 High Temperature Solar Thermal Systems a) Describe the principle of operation of a central receiver concentrating solar thermal system Include a discussion of the method of collecting sunlight, working fluid, generating electricity and storage. Include appropriate diagram(s) in your description 10 Marks Describe the key differences between solar trough and parabolic dish solar thermal b) collectors. Why is the receiver for a parabolic dish located a long way above the rim of the collector, while...
26. Based on our discussion in class, high levels of NADH would likely A. cause pellagra B. stimulate glycolysis C. slow down the movement of molecules through the citric acid cycle D. slow down oxidative phosphorylation E. break down carbohydrates 27. What purpose does fermentation serve? A. It regenerates NAD* from NADH to keep glycolysis going in the absence of oxygen. B. It allows for the production of NADH, which keeps the electron transport chain going. C. It produces an...
1. Ferrous metals include which of the following A Aluminum B. Copper C Gold D. Steel 2. The two categories of metals that are based onion (Fe) are A Aluminum Alloy & Castle B. Chromium & Nickel C. Manganese & Vanadium D. Cast Iron & Steel 3. Aluminum Alloy, Nickel Alloy, Zinc Alloy, and Titanium Alloy are cumples of A Nonferrous Metals B.Ceramics C Superllos D. Carmets 4. In the heating of most metal alloys melting begins at a certain...
2. [2 marks] [2 marks] (a) Is the following statement true or false? Justify your answer. "A use case diagram describes a sequence of use cases representing the behaviour of the system when interacting with its environment (i.e., the actors)." (b) Is the following statement true or false? Justify your answer. "Structural models display the organisation of a system in terms of what the system does." (c) Is the following statement true or false? Justify your answer. "A good design...
Which one of the following statements is true? O H is the value of a measured under conditions of constant volume. The enthalpy change for a reaction is independent of the state of the reactants and products. Enthalpy is a state function. O Enthalpy is an intensive property. The enthalpy change of a reaction is the reciprocal of the AH of the reverse reaction. QUESTION 2 0.5 points Save Answer Given the following reactions N2 (g) + 2O2 (g) +...
2. In the first week of class, we encountered the following formula: where c is the specific heat of the substance. Now that we know a little more, we may see that the formula is ambiguous, since no particular process by which the temperature increases is specified. Let us explore this point a bit more carefully. a) Assum curves ("isotherms"). After determining which isotherm represents the lower temperature, label the colder isotherm temperature Ti and the warmer one T2. Thus,...
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