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A lightly loaded 360° journal bearing 4 in. in diameter and 6 in. long operates with a radial clearance of 0.002 in. and a speed of 900 rpm. SAE 10 oil is used at 150°F. Determine the power loss and friction torque. (See Figure P13.19.)
In an air-water vapor mixture at 30°C, the partial pressure of the water vapor is 1.5kPa, and the partial pressure of the dry air is 100.5kPa. What is the relative humidity of the air-water vapor mixture?
determine the combined convection and radiation heat transfer coefficient at the outer surface of the pipe.
A fuel gas containing methane and ethane is burned with air in furnace, producing a stack gas at 300C and 105kPa (absolute). The stack gas contains C02 at a partial pressure of 80 mm Hg and no CO,O2, methane or ethane. Calculate the mole fraction of ..
Find the force in each member of the steel truss when the 3000-lb vertical load is applied to joint A. The area of each member is shown in the figure. Use E = 29 × 106 psi for steel.
a very long cylinder diameter 1mm is placed perpendicular to a steady airstream whose velocity is 10 msec. the cylinder
What happens to the cutting and thrust force as tool rake angle and cutting speed are increased and what is the relation between the cutting and thrust forces to the depth of cut?
a refrigerant 134a at 140 kpa and -10 degree celcius is compressed by an adiabatic 16kw compressor to an exit state of
What percentage of speed reduction is required if the airplane must fly at the same Mach number as calculated for sea level (in the previous problem)?
Determine the equivalent stiffness and damping constant of the foundation
Make a bond graph that would allow you to predict the crank torque τ for low speeds of rotation, ω. (Note that you do not have enough information to evaluate all the system parameters.)
we want to achieve a concentration of 0.5wt of carbon at a depth of 0.2 mm below the surface of the slab of a metal.
describe possible methods that can be used to separate materials such as polymers, aluminium alloys and steels from one another.
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