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- A canister with thin metal walls is immersed in water with temperature T. (See figure.) Initially the canister holds air at atmospheric pressure. Then, using the piston that forms the lid of the canister, you compress the air until it occupies half of its original volume. a) Assuming that the water maintains the air at temperature T throughout the process, what will be the final air pressure in the canister? air b) Sketch this process on a p-V diagram. Label the axes as completely as possible according to the given information.1. Research and differentiate in tabular form the gasoline and diesel engine2. What is the maximum efficiency of a heat engine whose operating temperatures are 560°C and 345°C?3. A heat engine exhausts its heat at 340°C and has a Carnot efficiency of 36%. What exhaust temperature would enable it to achieve a Carnot efficiency of 42%?4. The low temperature of a freezer cooling coil is and the discharge temperature is 33°C. What is the maximum theoretical coefficient of performance?5. What volume of water at 0°C can a freezer make into ice cubes in 1.0 h, if the coefficient of performance of the cooling unit is 6.0 and the power input is 1.2 kilowatt6. What is the change in entropy of 320 g of steam at 100°C when it is condensed to water at 100°C?7. An aluminum rod conducts from a heat source maintained at 225°C to a large body of water at 22°C. Calculate the rate at which entropy increases in this process.8. 1.0 kg of water at 35°C is mixed with 1.0 kg of water at 45°C in a…Need a,b,c
- When you ride a bicycle at constant speed, nearly all the energy you expend goes into the work do against the drag force of the air. Model a cyclist nou as having cross-section area 0.45 m² and, because the human body is not aerodynamically shaped, a drag coefficient of 0.90. Assume that the density of air is 1.2 kg/m 2. 3The gas cylinder in (Figure 1) is well insulated except for the bottom surface, which is in contact with a block of ice. The piston can slide without friction. The initial gas temperature is >0°C. Figure 1 of 1 Part Gas During Explair Ice Match iDon't use chat gpt chatgpt means downvote
- ! Required information The PV diagram shown is for a heat engine that uses 1.370 mol of a diatomic ideal gas as its working substance. In the constant-temperature processes A and C, the gas is in contact with reservoirs at temperatures 373 K and 273 K, respectively. In constant-volume process B, the gas temperature decreases as heat flows into the cold reservoir. In constant-volume process D, the gas temperature increases as heat flows from the hot reservoir. 160 150 140 D 373 K 130 120 B 110 100 273 K 90 80 0.019 0.02 0.021 0.022 0.023 0.024 0.025 0.026 Volume (m) What is the work done by the engine during process A in the cycle? Pressure (kPa)Derive the Entropy expression for a. isothermal process, b. Isometric process and c isobaric processProblem 10 Water is heated on a stove. Which of the following temperature changes results in the greatest change in entropy? a. From 10°C to 20°C b. From 45°C to 55°C c. From 80°C to 90°C d. All have the same entropy change
- This mechanical engineering question requires a handwritten solution. Don't use Artificial intelligence tools10. The figure uses a series of pictures to illustrate a thermodynamic cycle. Stage 3 Stage 1 Stage 2 Pin Gas The gas is compressed rapidly from V, to V,. The gas cools until the initial pressure p, is restored. The flame is turned off and The gas is heated at constant temperature until the volume returns to V, the piston is locked in place. a. Show the cycle as a pV diagram. Label the three stages. b. What is the energy transformation during each stage of the process? (For example, a stage in which work energy is transformed into heat energy could be represented as W→ Q.) p Stage 1: Stage 2: Stage 3: PThis is not a exam problem I need help on this homework question. I woul like help on a step by step solution so I can see and understand the problem. Can you please show all of work. Problem 2 A house is to be heated by a heat pump. The house loses 500 KW of heat while 200 KW of heat is generated by people and appliances inside the home. The house needs to be maintained at 22°C and the outdoor temperature is 12°C. 270 kW of heat is extracted from the outdoors. (a) what is the power required to drive the heat pump (b) Determine the entropy change of the two reservoirs and state if the heat pump satisfies the increase of entropy principle