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A certain material 2.5 cm thick, with a cross-sectional area of 0.1 m2, has one side maintained at 35oC and the other at 95oC. The temperature at the center plane of the material is 62oC, and the heat flow through the material is 1 kW. Obtain an expression for the thermal conductivity of the material as a function of temperature.
A refrigerating plant operating between temprature limit of 253k and 307k provides 4.5kJ/s of refrigerating effect. If the refrigerating efficiency of the plant is 0.76. calculate the power required to drive the plant.
This problem came from the "kinematics of particles" part holding the "Determination of the motion of a particle" section, so use the formula relating to this section of this part.
Assume they test null hypothesis H0: versus H1: Will the engineers decide to use the steel if H0 is rejected? Will the engineers decide to use the steel if H0 is not rejected?
For a normal distribution, find the z score values that separate
Determine the position of the neutral axis relative to the bottom face - dimensions of a 6 m long asymmetric I-beam are shown. Determine the position of the neutral axis relative to the bottom face
give a proposed design and analysisnbspprincipal features and working principle of any mechanisms using diagrams to
Calculate the deflection from torsional moment Mt and bending moment Mb and, then discuss the deflection from the torsional moment Mt compared to the result of 2-1)
a shaft is made of a steel alloy having an allowable shear stress of 12 ksi. If the diameter of the shaft is 1.5 in., determine the maximum torque T that can be transmitted. What would be the maximum torque T' if a 1 in. diameter hole is bored thr..
405-N rightward force is use to drag a large box across the floor with a constant velocity of 0.678 ms-1. The coefficient of friction between the box and the floor is 0.795. Determine the mass of the box.
what happens if a positive edge dislocation meets a negative edge dislocation on the same slip plane with a parallel
One side of a right triangle is known to be 45 cm long and the opposite angle is measured as 30?, with a possible error of 1?.
In the paragraphs that follow, answers are provided to a number of key questions about desogestrel-only pills. What is the desogestrel-only pill?
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