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A rigid 1.2m^3 tank contains water at pressure of 198.5, with 10 percent liquid and 90 percent vapor, by volume. Determine the heat transfer to the tank and initial exit temperature.
The stone is released from rest. As it falls down, the wire unwinds without stretching or slipping, causing the pulley to rotate. How far must the stone fall so that the pulley has 7.90J of kinetic
Its surface temperature is 230 0C and the ambient air temperature is 24 0C. Determine the convective rate of heat transfer from the fireplace to the room.
An exit air bulk average temperature, T b,o = 127 0C, is required. Determine the exit h, the uniform heat flux and the exit tube surface temperature.
What is the ratio DA/DB of the values for the planet's diameter that each spaceship measures in a direction that is parallel to its motion?
A particle known as a pion lives for a short time before breaking apart into other particles. What is the lifetime according to a hypothetical person who is riding along with the pion?
Upon return, the people on earth will have aged exactly one hundred twenty-five years. According to special relativity, how fast must you travel?
If the coefficient of restitution between each car is.85, determine the final velocity of each car, after ll impacts, assuming cars A and C hit car B at the same time.
The heat rejection is an isothermal process at 37 C. What is the minimum temperature of the cold reservoir, where the heat addition to the system occurs?
The piston is now moved by decreasing the weights on the piston until the volume is 2.75 times its original size. During this process, the argon's temperature is maintained constant. Determine the f
The axis of rotation is through the center of the round plates. The density of material is 1000 Kg/m3. Find the angular acceleration of the plate. All three plates have equal thickness.
What should be the rate of electrical heating (in Watts) that should be applied to the wire so that its temperature can be maintained?
Calculate the overall (UA) per unit length of the heat exchanger for heat transfer between oil and water. Calculate the length of the heat exchanger.
Determine the flow rate of the fan that needs to be installed and the diameter of the casing of the fan. Assume that there is an increase in internal energy of 10,779 kj/kg.
Steam enters a well-insulated turbine at 10bar, 300oC and 50m/s, and exits at 1bar and 100m/s. Calculate the steady-state net work output in kJ/kg produced by the turbine if it operates at 80% effi
Its surface temperature is 230 0C and the ambient air temperature is 240C. Determine the convective rate of heat transfer from the fireplace to the room.
Compare the heat transfer coefficient form water to air using just Reynolds number to determine hc and then with Nusselt number to determine hc. Nu for water drops is Nu= 2 + 0.6Re1/2Pr1/3.
A Rankine heat engine with a net power output of 85000 hp has a thermal efficiency of 35%. Determine the rate of heat added to the engine.solve this problem by CyclePad.
Compute the mass rate of cold water required, in kg/min, if the water undergoes a temperature change in the evaporator of 4 K and the heat pump has a capacity unit of 1200 kJ/min.
Assuming the turbine to be isentropic and the compressor to have an isentropic efficiency of 80 percent, determine the power output of the plant. Do not assume constant specific heats.
A particular road vehicle weighs 4000 lb. Using the quarter-car model, determine a suitable value for the suspension stiffness, assuming that the tire stiffness is 1300 lb/in.
A uniform cylinder with mass m = 13kg and radius r is pulled from rest along level ground by a constant force F that acts on its center at an angle (theta) = 42 degrees with respect to the horizonta
As a particle moves from the origin to (12i + 6j) m, it is acted upon by a force given by (4i + 8j) N. Calculate the work done by this force on the particle as it moves through the given displaceme
Why is this problem simpler than for the turbulent boundary layer at moderate and high Prandtle numbers? what closed=form solution already in hand should be a good approximation? Why?