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A circular shaft of diameter D rotates at a speed N and is supported by a journey bearing with clearance C. the viscosity of the lubricant is m and the bearing pressure is P.
Find: The compressibility factor using a) the generalized compressibility chart and b) data from the steam tables. Comment on the difference.
The motion of the upper surface is suddenly stopped at time t=0. Obtain an expression for the subsequent velocity distribution between the two parallel surfaces.
The water in A is cooled to maintain its initial temperature. Find the change in temperature of the water in B and its final volume. please show all work.
Geothermal energy systems extract heat that is stored below the Earth's crust. For every 300 ft below ground, the temperature of the groundwater increases by about 5 ºF.
As the container expands, the pressure increases by a factor of 2.15. If the initial temperature is 392 Celcius what is the final temperature in Celcius?
Finally, the air is isochorically cooled, returning to its initia state. Find the net work produced by this cycle, assuming the air behaves as an ideal gas.
A university's campus has 20,000 computers with cathode-ray tube monitors that are powered-up even when the computer is not being used. This type of monitor is relatively inefficient, and it draws m
A given liquid has a temperature 178 Celcius at a pressure of 47 MPa. What is the approximate enthalpy of the liquid?
A printing pigment solution having a viscosity of 0.05 N s /m2 and the yield stress of 0.6 N/m2 flows in a three meter tube which has a diameter of 0.015 m.
A flame that produces 10kW of heat output is applied to one side of a 10cm by 10cm square of aluminum foil. The other side of the foil is subjected to boiling water at 100oC. If the foil is 0.5mm th
Given the temperature of a gas 313 in degrees Celcius. Determine the pressure (in MPa) if the gas the molar mass is 18 and has a specific volume of 0.87 cubic cm per gram?
Calculate the flowrate throught this pipeline and nozzle assuming no frictional energy losses (i.e. ideal). Calculate the pressures at points 1, 2, 3, and 4 in the pipe and the nozzle exit velocity
The 2-kg ball rests between the 45 degree grooves A and B of the 10 degree inlcine and against a vertical wall at C. if all three surfaces of contact are smooth, determine the reactions of the surf
Calculate the composition of both elements, in mass percent, if the alloy consists of 87 atom percent Ag and 13 atom percent Cu.
In a 150 MW steam turbine unit operating on an enhanced Rankine cycle, steam is delivered from the boiler to the high pressure turbine at 15 MPa and 500° C.
An air compressor takes in air at 100kPa, 17°C and delivers it at 1 MPa, 600K to a constant pressure cooler which it exits at 300K. Find the work performed and heat transfer, both (kJ/kg).
The critical stress (in MPa) required for crack propagation is 17.9MPa, calculate the specific surface energy of this brittle materials.
An electric heater in the tank transfers energy to the water at a constant rate of 60 W. Find the time, in hours, when the temperature reaches 200° C.
Determine (a) the value of d if when the speed of the automobile is 72 km/h, the normal component of the acceleration is 3.2 m/s2, (b) the speed of the automobile if d 5 180 m and the normal compone
Evaluate the Fourier coefficients a0, a1, a2, b1, and b2. Could you have deduced the values of a0, a1, and a2 without performing the integrations?
A certain factory manufactures tin cans.It receive an order for 10,000 cylindrical tin cans of height 5 inch and diameter 3 inch.How many square feet of tin did this order require 7 square inch are
Determine the maximum allowable tensile load before yielding will occur. while under load, what will be the total length of the deformed tubing?
The Coefficients of friction between two blocks A and C and the horizontal surfaces are Us=0.24 and Uk=0.20. Knowing that Ma=5kg, Mb=10kg and Mc=10kg, determine (a) the tension in the cord, (b) the