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Design a solid steel shaft supported in bearings which carries the rotor of a turbine at the middle. The rotor weighs 500 lb and delivers a power of 200 hp at 3000 rpm. In order to keep the stress due to the unbalance in the rotor small, the critical speed of the shaft is to be made one-fifth of the operating speed of the rotor. The length of the shaft is to be made equal to at least 30 times its diameter.
A cylinder with a 0.3 m inner diameter and 0.4 m outer diameter is internally pressurized to 140 MPa. Determine the maximum shear stress at the outer surface of the cylinder.
You are asked to measure the viscosity of an emulsion, so you use a tube flow viscometer, with the container open to the atmosphere. The length of the tube is 10 cm, its diameter is 2mm, and the diameter of the container is 3 in.
A rigid tank contains 10 lbm of air at 30 psia and 65°F. The air is now heated until its pressure doubles. Determine (a) the volume of the tank and (b) the amount of heat transfer.
find speed of wind and tension in string?? (density=1. 25kg/mcube)
consider a cross flow of water saturated water that comes at 20c with a velocity of 5 ms on the surface of a
today you have a savings account of 15 620. based on an annual interest rate of 4.2 what equal amount can you withdraw
air expands from 100kpa 40 degrees c with volume .75 m3 to 15kpa in a polytropic process with polytropic exponent n.
Set your pages to one-inch margins. One-inch margins mean one (1") on all sides. The only text that ends up on the outside of the one-inch margin is the page number.
a steel wide flange beam w14 x 26 carries the load. compute the maximum deflection between the supports and at each
a rigid insulated vessel is divided into two compartments connected by a valve. initially one compartment occupying one
High school Yr 12 aeronautical Engineering Module - mechanics, PLease help- i seem to get the incorrect answer but didn't know where i have gone wrong?
a cylindrical graphite pure carbon rod of length 25 cm and initial diameter of 2 cm is inserted into a flowing air
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