In the unsteady state heat transfer experiment, why is the heated water temperature limited to 85-90 Celsius degrees in the unsteady state heat transfer experiment? Select one: O a. Type K thermocouples attached to the apparatus will not give accurate readings for temperatures higher than 90 Celsius degrees. O b. Water below 80 Celsius degrees will not heat the specimens. Oc. Water above this temperature tends to boil, inducing cavitation in the pump. Od. Water above this temperature will cause severe burns if touched.

You are designing a heat recovery system for a new autonomous Mars rover. The system currently uses freon as the heat transfer fluid. The system must maintain an instrumentation temperature of at least−67◦Fin an environment of 189K. If the system needs to move47.4BT U, what volume of working fluid is needed in units ofL? Note that freon has a specific gravity of 1.49, a molecular mass of 120g/mol, and a specific heat of 74J/(molK)

Pls. Answer thank you! An auditorium seating 1600 people is to be maintained at 80°F dry bulb and 65°F wet bulb temperature when outdoor air is at 91oF dry bulb and 75oF wet bulb. Solar heat load is 120,000 Btu/hr and supply air is at 60°F, determine the amount of supply air. (Use sensible heat load of 225 Btu/hr per person)

a) the local film condensation heat-transfer coefficient at the bottom of the tube b) the average condensation heat-transfer coefficient over the entire length of the tube c) the total condensation rate at the tube surface.

I need to solve question 2.

8.8. A solar collector and storage tank, shown in Fig. 8-15a, is to be optimized to achieve minimum first cost. During the da Hide image transcript 8.8. A solar collector and storage tank, shown in Fig. 8-15a, is to be optimized to achieve minimum first cost. During the day the temperature of water in the storage vessel is elevated from 25°C (the minimum useful temperature) to tmax, as shown in Fig. 8-15b. The collector receives 260 W/m² of solar ener- gy, but there is heat loss from the collector to ambient air by convection. The convection coefficient is 2 W/(m² · K), and the average temperature differ- ence during the 10-hour day is (25 + tmax)/2 minus the ambient temperature of 10°C. The energy above the minimum useful temperature of 25°C that is to be stored in the vessel during the day is 200,000 kJ. The density of water is 1000 kg/m³, and its specific heat is 4.19 kJ/(kg · K). The cost of the solar collector in dollars is 20A, where A is the area in square meters, and the cost…

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I have step by step but I don’t know how to read table and values ! Help with final calculations

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Q1. Well water contained in an AISI 304 SS pipe network for chemical treatment and posterior distribution by aerial water pipes to different locations in a food manufacturing facility was analysed. The AISI 304 SS pipe network had an approximate 300 m length, 154 mm diameter and 2.0 mm wall thickness. The AISI 304 SS pipes were welded using a Tungsten Inert Gas (TIG) welding procedure. In-situ weld quality assurance was tested by pressurized WW, and no pinhole leakage was detected. After the pipe network remained out of service for 6 months at room temperature containing stagnant, pressurized well water, pitting corrosion was observed on the weld joints and the base material by the presence of multiple pinhole leaks.(a) Discuss, with chemical equations if relevant, TWO corrosion events that may have caused the pitting corrosion.(b) What practical steps could have been taken to mitigate for this potential outcome?(c) Identify corrosion inhibition methods to mitigate for the corrosion…