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A 2-in.-diameter straight round shaft is subjected to a bending of 2000 ft lb.
(a) What is the nominal bending stress at the surface?
(b) If a hollow shaft of inside diameter 0.5 times outside diameter is used, what outside diameter would be required to give the same outer surface stress?
an individual presently owns an oil lease. the payments from this lease beginning at the end of this year are 10000
In a cryogenic application, carbon monoxide (CO) gas undergoes a constant-pressure process at 1000 lbf/in^2. In a piston-cylinder assembly from T1=-100F to T2=-30F Determine the work for the process, in Btu per lb of carbon monoxide present.
50 degree c water is flowing in a 10mm diameter smooth tube. the mass flow rate of the water is 0.08 kgs. the water
The extrusion ratio, die geometry, extrusion speed, and billet temperature all affect the extrusion pressure. Explain why.
the truck at b is used to hoist the cabinet up to the fourth floor of a building using the rope and pulley arrangement.
the density of air is to be determined by measuring its pressure and temperature for insertion in the ideal gas
It is desired to put in a damping system so that the scale comes to rest in minimum time without overshoot. This means that the scale must be critically damped (see Note 11.2). Find the necessary damping constant and the equation for the motion of..
Steel balls at 150°C with a specific heat of 0.50 kJ/kg.°C are quenched in an oil bath to an average temperature of 70°C at a rate of 15 balls per minute. If the average mass of steel balls is 1.2 kg, what is the rate of heat transfer from the balls ..
at the beginning of the compression process in an ideal otto cycle air is at 95 kpa 27 degree c and the temperature at
Three lb of water is contained in a piston–cylinder assembly, initially occupying a volume V1 5 30 ft3 at T1 5 300°F. The water undergoes two processes in series: Constant-temperature compression to V2 5 11.19 ft3, during which there is an energy tra..
how many people in the u.s. might be expected to die each year as a result of cancer caused by natural background
For these conditions determine the mass flow rate per unit frontal area. Assume isentropic flow and calculate the exit Mach number and the static pressure ration across the cascade.
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