A steel rod of length L and diameter D, fixed at both ends, is uniformly heated to a temperature rise of AT. The Young's modulus is E and the coefficient of linear expansion is a. The thermal stress in the rod is
Q: A composite wall of room is composed of three layers 1,2 and 3 such that the conductivity of the…
A: Given data: Conductivity of the layers: K1=1 W/m.K K2=2K1=21 W/m.K =2 W/m.K K3=2K2=22 W/m.K =4…
Q: A copper bar of thermal conductivity 401 W/(m·K) has one end at 114°C and the other end at 24.0°C.…
A:
Q: The band in the figure below is stainless steel (coefficient of linear expansion 17.3 x 10-6c-1,…
A:
Q: A uniform cylindrical copper rod and a uniform aluminum rod of different diameters DCu and DAI,…
A: Thermal conductivity of Copper kCu=397 W m-1oC-1 Thermal conductivity of Aluminum kAl=238 W m-1oC-1…
Q: The thermal conductivities of human tissues vary greatly. Fat and skin have conductivities of about…
A:
Q: You have a double-pane window that is 120.0 cm wide by 80.0 cm tall; the gap between the window…
A: Step 1: Data provided in the problem Area of the window pan A=120 cm×80 cm=1.20 m×0.80 m=0.96…
Q: A copper rod and an aluminum rod of equal diameter are joined end to end in good thermal contact.…
A: In conduction mode of heat transfer, heat is transferred from a hot temperature region to a cold…
Q: coefficient of thermal expansion for aluminum is 2.34*10-5. For copper, it is 1.76*10-5. At 30…
A:
Q: A metal rod, 12 cm long and 2.0 cm in diameter, is lagged so that no heat escapes from its sides. A…
A: length, L = 12 cm diameter, d = 2 cm radius, r = 1 cm rate of heat flow, H = 36.9 J/s…
Q: Two metal bars are made of invar and a third bar is made of aluminum. At 0°C, each of the three bars…
A:
Q: An electrically insulated circular wire is horizontal and submerged in still water at 280K. Internal…
A:
Q: A space probe is far away from the Sun, or any other sources of energy. It is kept warm (so the…
A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…
Q: e rate of heat flow
A:
Q: In the lab, you have nails with mass Mn and temperature Tn. You submerge those nails in the water…
A: Given data The Specific heat capacities of nails is,Cn=0.12 cal/gC The Specific heat capacities of…
Q: One end of a uniform rod is maitained at 150C and the other end is in contact with an ice water at…
A:
Q: Two solid spheres A and B have same emissivity. The radiue of A is four times the radius of B and…
A:
Q: Consider a 2.75-cm-long column of mercury. The volume thermal coefficient of linear expansion of…
A: The objective of this question is to calculate the change in length of a column of mercury due to a…
Q: A heat-conducting rod, 1.60 m long and wrapped in insulation, is made of an aluminum section that is…
A: Given data: The length of aluminum rod is LA=0.90 m The length of the copper rod is LC=0.70 m The…
Q: The walls of a house consists of L=0.02 m thick plywood backed by insulation with the same…
A: Given : Length L = 0.02 m Temperature : Tinsulation=25°C Tplywood=-15°C Thermal conductivity :…
Q: The outside surface temperature of the door to a large industrial oven is measured to be 127.0°C.…
A: Step 1:Step 2:Step 3: Step 4:
Q: A steel rod is initially 1 meter long at a temperature of 20°C. Assuming that the expansion is…
A: Original length (L0) of the steel rod = 1 meter.Initial temperature (T0) of the steel rod = .Final…
Q: The coefficient of heat expansion for Aluminum is 2.4 ×10−5 °C−1. A 360 m bridge made of aluminum…
A: Given heat expansion for Aluminum = 2.4 ×10−5 °C−1 initial length of bridge = 360 m Change in…
Q: A walrus transfers energy by conduction through its blubber at the rate of 150 W when immersed in…
A: The rate of heat conduction is given by P=Qt=kA∆Td Rearranging the equation gives d=kA∆TP
Q: brass rod has a diameter of 6.090cm. Keeping the brass rod at 19.0°C,to wha
A:
Q: A brass ring of diameter 10.00 cm at 22.3°C is heated and slipped over an aluminum rod of diameter…
A: Given Data: The diameter of brass ring is, db = 10 cm. The diameter of aluminium rod is, da = 10.01…
Q: Metal rod A is 30.0 cm long and expands by 0.0650 cm when its temperature is raised from 0.00°C…
A:
Q: An electric stove burner has surface area 325 cm² and emissivity e = 1. The burner consumes 1500 W…
A: We are aware that an electric stove burner has a surface area of 325 cm2, an emissivity of 1,…
Step by step
Solved in 2 steps
- Consider a wire with a cross-section A and a length L. The Young's modulus is given by: Y = LOF A ƏL T Where F = F(T, L) is the tension in the wire. The linear expansion coefficient is given by: απ 1/ǝL LOT F Give in expression for the change in tension in the wire with temperature in terms of the Young's modulus and the linear expansion coefficient if the wire is kept at a fixed length.Ice of mass 10.0 kg at 0.00° C is placed in an ice chest. The ice chest has 2.00 cm thick walls of thermal coductivity 1.00 x 10^-5 kcal/s-m-C° and a surface area of 1.30m^2. (a) How much heat must be absorbed by the ice before it melts? (b) If the outer surface of the ice chest is at 30.0° C, how long will it take for the ice to melt?A copper rod and an aluminum rod of equal diameter are joined end to end in good thermal contact. The temperature of the free end of the copper rod is held constant at 100°C, and that of the far end of the aluminum rod is held at 0°C. If the copper rod is 0.50 m long, what must be the length of the aluminum rod so that the temperature at the junction is 50°C?
- A 5.0 L steel gas can is filled to the brim with gasoline at 10°C. Taking into account the expansion of the gas can, how much gasoline spills out when the gas and the gas can both reach 25°C when left out in the sunshine on a summer day. Given that the gas can is an isotropic solid, and that the coefficient of linear thermal expansion for steel is: 11 × 10-6 K-¹ and that the coefficient of volume thermal expansion for gasoline is 0.90 × 10-³ K-¹.A copper rod and an aluminum rod of equal diameter are joined end to end in good thermal contact. The temperature of the free end of the copper rod is held constant at 100°C, and that of the far end of the aluminum rod is held at 0°C. If the copper rod is 0.42 m long, what must be the length of the aluminum rod so that the temperature at the junction is 50°C?In this problem you will estimate the heat lost by a typical house, assuming that the temperature inside is Tin = 20°C and the temperature outside is Tout = 0°C. The walls and uppermost ceiling of a typical house are supported by 2 x 6-inch wooden beams (kwood = 0.12 W/(mK)) with fiberglass insulation (kins = 0.04 W/(mK)) in between. The true depth of the beams is actually 5.625 %3D %3D %3D inches, but we will take the thickness of the walls and ceiling to be Lwall = 18 cm to allow for the interior and exterior covering. Assume that the house is a cube of length L = 9.0 m on a side. Assume that the roof has very high conductivity, so that the air in the attic is at the same temperature as the outside air. Ignore heat loss through the ground. The effective thermal conductivity of the wall (or ceiling) keff , is the area-weighted average of the thermal conductivities of the wooden beams and the fiberglass insulation that make up each of them. Allowing for the fact that the 2 x 6 beams…
- Older railroad tracks in the U.S. are made of Part A 12-m-long pieces of steel. When the tracks are laid, gaps are left between the sections to prevent buckling when the steel thermally expands. If a track is laid at 16° C, how large should the gaps be if the track is not to buckle when the temperature is as high as 50° C? The coefficient of linear expansion of soft steel is 1.1 × 10-5 °C-1. Express your answer with the appropriate units. HẢ .... Value %3D Submit Previous Answers Request AnswerA gold wire 2.4 m long has its temperature lowered by 42oC. Assuming the linear coefficient of expansion has a constant value of 13 x 10-6 K-1 over that temperature range, calculate the change in length of the wire. Express your answer in mm.