If a 6 in. dia. grinding wheel is turning at 3500 RPM, what is its cutting speed in SFPM?
A) 1750
B) 2333
C) 5250 or 5497 (depends on the value of pi in the calculation)
D) 21,000
C
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Write the general equation for a mass balance.
A soft drink bottling plant discharges a wastewater with a dissolved solids concentration of 10,000 mg/l NaCl, at a rate of 100 gal/min to a stream. The stream above the discharge has a volumetric flowrate of 1.0 MGD and a dissolved solids concentration of 25 mg/l. Below the discharge point is a prime fishing spot, and the fish are intolerant of salt concentrations above 200 ppm. What will be an ideal response?
The finish made from flaxseed is ____________________
Fill in the blank(s) with the appropriate word(s).
The total current-limiting effect of the inductor is referred to as ____.
A. resistance B. capacitance C. impedance D. voltage
This controls the direction and amount of oil flow in a hydrostatic system:
a. the main directional control valve b. the speed of the engine c. the motor swash plate d. the pump swash plate