At 18.75 °C a brass sleeve has an inside diameter of 2.21988 cm and a steel shaft has a diameter of 2.22258 cm. It is desired to shrink-fit the sleeve over the steel shaft. To what temperature must the sleeve be heated in order for it to slip over the shaft?
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- An aluminum cylinder 10 cm long , with a cross-sectional area of 20 cm² , is to be used as a spacer between two steel walls . At 25 °C it just slips in between the walls. Then it warms to 77 °C. Calculate the total force (in kN) it exerts on each wall, assuming that the walls are perfectly rigid and a constant distance apart. (Y = 0.70 x 1011 Pa and aAl = 2.4 x 10-5 K¯') (Answer in 1 decimal places) A loThe frames for a pair of eyeglasses have a radius of 2.14 cm at 20.0°C. Lenses with radius of 2.15 cm have to be inserted into these frames. To what temperature must the technician heat the frames to accommodate the lenses? The frames are made of a material whose thermal expansion coefficient is 1.30 10-4/°C.A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 x 10-4°C-1). At room temperature (20.0°C), the frames have circular lens holes 2.19 cm in radius. To what temperature must the frames be heated if lenses 2.2 cm in radius are to be inserted into them? °C Need Help? Read It
- Suppose you have a ring of a metal with a1 = 2 x 10° (C0)-1. You wish to put it around a pipe made of metal with az = 3 x 10-6 (C)1. If at 25 Co the inner radius of the ring is 10.0 cm and the outer radius of the pipe is 10.001 cm, what is the temperature that will allow you to slip the ring around the pipe?The inner and outer surfaces of a 0.41-cm-thick 2.27-m x 2.81-m window glass in winter are 10.9°C and 3.75°C, respectively. If the thermal conductivity of the glass is 0.75 W/m · °C, determine the amount of heat loss, in kJ, through the glass over a period of 4.73 hours.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 Answer
- A spherical brass shell has an interior volume of 1.55 x10-3 m3. Within this interior volume is a solid steel ball thathas a volume of 5.00 x 10-4 m3. The space between the steel ball and the inner surface of the brass shell is filledcompletely with mercury. A small hole is drilled through the brass, and the temperature of the arrangement is increasedby 10 °C. What is the volume of the mercury that spills out of the hole?A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C-1). At room temperature (20.0°C), the frames have circular lens holes 2.40 cm in radius. To what temperature must the frames be heated if lenses 2.41 cm in radius are to be inserted into them?A cylinder of diameter 1.0 cm at 30 °C is to be slid nto a hole on a steel plate. The hole has a diameter of 0.99970 cm at 30 °C. To what temperature the plate must be heated? Coefficient of linear expansion for steel is 1.2 x 10-5 / °C
- A Styrofoam box has a surface of 0.78 m² and a wall thickness of 22.5 cm. The temper- ature of the inner surface is 1.8°C, and of the outside 12°C. If it takes 17.3 hours for 86 kg of ice to melt in the container, find the thermal conductivity of the Styrofoam. The latent heat of fusion of water is 3.34 x 105 J/kg. Answer in units of W/m/°C. Your response... i PALETTESteel wire of length 'L' at 40°C is suspended from the ceiling and then a mass 'm' is hung from its free end. The wire is cooled down from 40°C to 30° C to regain its original length 'L'. The coefficient of linear thermal expansion of the steel is 10rC, Young's modulus of steel is 10' N/ 'm and radius of the wire is 1 mm. Assume that L >> diameter of the wire. Then the value uf 'm' in kg is nearly.How much heat is conducted in one hour through an iron plate 2.0 cm thick and 100 cm2 in area, the temperature of the two sides being kept at 0 and 20°C? COMPLETE FBD SOLUTION AND REQUIREMENTS PS. THIS IS A HEAT TRANSFER PROBLEM