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Using a carbide tool, the temperature in a cutting operation with a speed of 300 ft/min and a feed of 0.002 in. /rev is measured to be 1200 degrees Fahrenheit. What is the approximate temperature if the speed is doubled? What speed is required to lower the maximum cutting temperature to 900 degrees Fahrenheit?
If the filling is done rapidly, calculate the final temperature in the small cylinder, (a) assume that oxygen is an ideal gas with Cv= 5R/2 and (b) using accurate thermodynamic data for oxygen.
when a brass specimen initially .505 in in diameter is tested the maximum load of 12000lbs was recorded at an
Calculate the pipe diameter D in inches to 2 decimal places required to give the fluid velocity of 4 ft/sec in the following situation: The formula for the velocity is given by: velocity =Flow rate / Pipe Area And the flow rate = 21 gpm and the Pipe ..
Determine (a) the horizontal line along which the shearing stress is a maximum, (b) the constant k in the following expression for the maximum shearing stress.
consider the annulus formed between a rod of radius r0 and a tube of radius r1. find the velocity profile for couette
Air with a mass flow rate of 1.5 kg/sec and temperature of 400 K flows through a horizontal duct of an air heater. If 36 kJ/sec of heat is added to the flow, determine the air exit temperature. Assume ideal gas and neglect any change in pressure and ..
you are an engineer in an electric-generation station. you know that flames in the boiler reach a temp of 1200 k and
What is the inner tube surface temperature at the outlet, where fully developed conditions may be assumed?
you are designing an ex vivo artificial organ. the cells in the organ cannot tolerate shear stress in excess of 0.5 gcm
while trapped in a cylinder 2.27 kg of air is compressed isothermally with a water jacket being used around the
a 2.7 cm diameter rod consists of three cylindrical segments placed end to end in intimate contact aligned aong a
1- find the decay constant of cesium-137 half-life 30.2 y then calculate the activity in becquerels and curies for a
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