Engineering, 21.01.2021 20:30, mollybeale

What does the gas need in order to create a plasma arc?

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Engineering, 04.07.2019 18:10, samanthabutryn

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Engineering, 04.07.2019 18:10, tobyhollingsworth178

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Engineering, 04.07.2019 18:20, krojas015

Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?