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Saturated liquid leaves the condenser at 30 °C. The mass flow rate of refrigerant is 0.08 kg/s. Determine the rate of heat rejection from the condenser, in kW.
Knowing that at the instant shown the rod has an angular velocity of 3 rad/s counterclockwise and theta= 30 degrees, determine reactions at point A and point B.
Determine the reduction in the exit temperature of the compressed air and the compressor power saved. Assume water vaporizes completely before leaving the compressor.
The refrigerant leaves the condenser at 0.7 MPa, 26 °C. Determine the rate at which heat energy is removed from the refrigerated space, in kW,
Consider an ideal vapor-compression refrigeration cycle. The refrigerator employs Refrigerant 134a as the working fluid and operates at steady state. Determine compressor power, in kW.
The fuel mass flow rate is 60 kg/min. Assume that the plant operates adiabatically. Calculate the power generated by the plant at steady state in MW.
Compute the value of the corrosion potential. How long do you think corrosion would take to eat away a 0.1-mm thick surface layer of the lead sheet?
Determine the maximum theoretical power that could be developed by any one-inlet one-exit control volume at steady state, that would reduce the steam to the dead state at the exit.
What is the flow rate of water when the gauges show a pressure difference between the top section and the bottom one to be 31 kN/m2.
For this maximum flowrate, determine the values of static temperature, static pressure, stagnation temperature, stagnation pressure, and velocity at the inlet and the exit of the constant area duct.
Design 2-shell pass and 8-tube pass heat exchanger for heating ethyl alcohol from 25°C to 70°C at a rate of 2.9 kg/s. Water is available at 95°C can cool down to 45°C.
The gas undergoes complete combustion with 120% of the stoichimetrically required air. A) Write the balanced equation B) Calculate the fuel-air ratio on a molar and mass basis.
Find the equation for max stress and strain in the beam at the maximum deformation point in terms of applies load and measured displacement.
Determine the channel height that can be used to determine the wall shear stresses as high as 20 dyne/cm2 with flow rates less than 2 cm3/s.
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. How much farther would it travel on the moon then on earth?
What is the outlet pressure if the inlet pressure is 100 mm Hg and the velocity of blood is 20 cm/s. State all assumptions clearly?
A pipe flowing air at 1000 kPa, 300 K is connected to the tank and it is filled slowly to 1000 kPa. Find the heat transfer to reach a final temperature of 300 K.
In a Compton experiment an electron attains a kinetic energy of 0.1 MeV when a 0.5MeV X-ray strikes it. Determine the wavelength of the scattered photon if the electron is initially at rest.
Tarzan, King of the Jungle (mass = 66.2 kg), grabs a vine of length 14.6 m hanging from a tree branch. What angle relative to the vertical will the vine have when Tarzan and Jane reach the highest poi
When the mass is 0.35 m away from equilibrium, determine the mass's kinetic energy when it is at the equilibrium point.
The turntable of a record player rotates initially at the rate 33 rev/min and takes 14.07 s to come to rest. What is the angular acceleration of the turntable, assuming the acceleration is uniform?
A bug is on the rimof a disk of diameter 13 in that moves from rest to an angular speed of 70 rev/min in 5.2 s. What is the tangential acceleration?
What percentage of the electrons originally in the cube was removed? (b) By what percentage has the mass of the cube decreased because of this removal?
Estimate the temperature (in oC) to which the block must be heated, so that the hole and cylinder have the same diameter.
Fully draw shear force and bending moment diagrams, noting all important values. Develop equations for bending moment as a function of location in the beam (x = 0 at the left support)