c. Rods of copper, brass, and steel are welded together to form a Y-shaped figure. The cross-sectional area of each rod is 2 cm². The free end of copper rod is maintained at 212°F, and the free ends of the brass and steel rods at 32°F. Assume that there is no heat loss from the surfaces of the rods. The lengths of the rods are: copper, 460 mm; brass, 130 mm; steel, 120 mm. What is the temperature of the junction point? What is the heat current in each of the three rods?

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A: It is given that air cools the top and bottom of the electronic chip. The chip is subjected to…

Q: Heat energy can be measured in. Select one: O a. Newton O b. Pascal O c. Joule O d. Watt

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A: U represent in heat transfer function is overall heat transfer coefficient which is time dependent…

Q: Nitrogen gas has a heat capacity of 20.8 and 29.1 J/mol-C at constant volume and constant pressure…

A: Given Data: Specific heat capacity of N2 at constant Volume;Cv=20.8 J/mol °CSpecific heat capacity…

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A: Given, Diameter of pipe, D = 15 cm×1 m100 cm    = 0.15 m temperature on outside surface of pipe, T0…

Q: rates of radiation heat transfer

A: In thermal radiation heat transfers from higher temperature  to lower temperature  without the…

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Q: Calculate the heat

A:

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Q: heat conduction

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Q: If you are in an open place where the wind is blowing at 38 km/h and 12 °C, considering that at the…

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A:

Q: An opaque horizontal plate is well insulated on the edges and the lower surface. The irradiation on…

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Q: 8. For polytropic process the heat and work can not cross the boundary of the system * False True

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Q: Air at 20°C blows over a 50 x 75 cm hot plate made of carbon steel (AISI 1010) with 2 cm thickness.…

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Q: Temperature difference is not the driving force for heat transfer. O yes O No

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Q: Problem 5: The energy lost from a 10 cm thick slab of steel is 50 W. Assuming the temperature…

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Q: Sketch the (220) plane for CaF2

A: x y z INDICES 2 2 0 RECIPROCAL  1/2 1/2 1/0 INTERCEPT 1/2 1/2 ∞

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Q: Heat is negative when when transferred from the system to the surroundings True False

A: Heat: It is a form of energy which transfers from hotter body to colder body by thermal radiation.…

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A:

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Q: Define the temperature of liquid nitrogen exposed to the atmosphere remains constant.

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Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.