The dark meat of a 20-pound turkey requires an internal temperature of 180°F to be fully cooked. What minimum temperature reading should be displayed on a food thermometer that only measures in degrees Celsius?
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The dark meat of a 20-pound turkey requires an internal temperature of 180°F to be fully cooked. What minimum temperature reading should be displayed on a food thermometer that only measures in degrees Celsius?
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- Two concrete spans that form a bridge of length L are placed end to end so that no room is allowed for expansion (Fig. P16.63a). If a temperature increase of T occurs, what is the height y to which the spans rise when they buckle (Fig. P16.63b)?A thermometer has a mercury-filled glass bulb with a volume of 2 x 10-7 m3 attached to a thin glass capillary tube with an inner radius of 5 x 10-5 m. If the temperature increases by 100°C, how far will the mercury rise in the tube? (volume thermal expansion coefficient of mercury= 1.82 x 10-4 K-1).The average thermal conductivity of the walls (including windows) and roof of a house in the figure shown below is 4.8 x 104 kW/m · °C, and their average thickness is 21.4 cm. The house is heated with natural gas, with a heat of combustion (energy given off per cubic meter of gas burned) of 9,300 kcal/m3. How many cubic meters of gas must be burned each day to maintain an inside temperature of 23.5°C if the outside temperature is 0.0°C? Disregard surface air layers, radiation, and energy loss by heat through the ground. 37.00 5.00 m 8,00 m 10.0 m
- The average thermal conductivity of the walls (including windows) and roof of a house in the figure shown below is 4.8 x 104 kW/m - °C, and their average thickness is 21.4 cm. The house is heated with natural gas, with a heat of combustion (energy given off per cubic meter of gas burned) of 9,300 kcal/m3. How many cubic meters of gas must be burned each day to maintain an inside temperature of 24.0°C if the outside temperature is 0.0°C? Disregard surface air layers, radiation, and energy loss by heat through the ground. 34.68 Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m3 137.00 5.00 m 00 8.00 m 10.0 mThe average thermal conductivity of the walls (including windows) and roof of a house in the figure shown below is 4.8 x 104 kW/m - °C, and their average thickness is 20.8 cm. The house is heated with natural gas, with a heat of combustion (energy given off per cubic meter of gas burned) of 9,300 kcal/m3. How many cubic meters of gas must be burned each day to maintain an inside temperature of 27.3°C if the outside temperature is 0.0°C? Disregard surface air layers, radiation, and energy loss by heat through the ground. m3 37.0 5.00 m 8.00 m 10.0 mA Styrofoam box has a surface area of 0.81 m² and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, and the outside temperature is 26°C. If it takes 8.5 h for 5.0 kg of ice to melt in the container, determine the thermal conductivity of the Styrofoam. (Assume the ice is at a temperature of 0°C.) W/m · °C
- A steel pipe with an inner diameter of 5 cm and a wall thickness of 3.2 mm passes through a large chamber which is maintained at 30°C and atmospheric pressure. 0.6 kg/s of hot water enters one end of the pipe at 82°C. If the length of the pipe is 15m, calculate the temperature of the outlet water, taking into account free convection and radiant heat loss from outside the pipe.The average thermal conductivity of the walls (including windows) and roof of a house in the figure shown below is 4.8 10-4 kW/m · °C, and their average thickness is 20.8 cm. The house is heated with natural gas, with a heat of combustion (energy given off per cubic meter of gas burned) of 9,300 kcal/m3. How many cubic meters of gas must be burned each day to maintain an inside temperature of 25.9°C if the outside temperature is 0.0°C? Disregard surface air layers, radiation, and energy loss by heat through the ground. m3 A house has a rectangular base and a roof that peaks along a line above the center of the house and parallel to the length of the house. This roof slopes downward from the peak to each edge at an angle of 37.0° with the horizontal. The length of the front of the house is 10.0 meters. The width of the house is 8.00 meters. The height from the front of the house up to the edge of the roof is 5.00 meters.A long steel I-beam used in bridge construction has a length of 17.0 m. The beam may be exposed to temperatures as low as −23°C in the winter and as high as 40°C in the summer. What is the difference in length of the beam between these two temperature extremes? (Give the absolute value of the difference. Enter your answer in mm.) ?mm
- Suppose you place 0.245 kg of 20.5°C water in a 0.45 kg aluminum pan with a temperature of 143°C, and 0.0085 kg of the water evaporates immediately, leaving the remainder to come to a common temperature with the pan. What would be the final temperature, in degrees Celsius, of the pan and water? The heat of vaporization of water is Lv = 2256 kJ/kg. You may neglect the effects of the surroundings and the heat required to raise the temperature of the vaporized water. Te =A suspension bridge cable is exposed to the elements. For this particular bridge, temperatures vary from 6°C up to 36°C. The cable is made of a steel with a coeficient of thermal expansion of 12x10-6 1/°C. The cable is 3.1 km long. How much longer will the cable be (at hottest temp vs. coldest temp.)? (units in m)A mason jar made of glass has an outer diameter of 60 inches and its lid made of titanium alloy has an inner diameter of 60 inches as well. The jar and its lid are located on a balcony with a temperature of 46°F. If a titanium alloy has α = 4.50-6 °F-1, determine the size of the difference in these diameters if the lid is briefly held under hot water until its temperature rises to 167°F, without changing the temperature of the glass. Show the list of given and Complete solution.