6. A hydraulic lift (see below) of the type commonly used for greasing automobil 280.00 mm diameter ram which slides in a 280.18 mm-diameter cylinder, the annular spaces being filled with oil film of thickness t = 0.09 mm, having a viscosity 0.3612 kg/(m.s). rate of travel of the ram is v = 0.22 m/s, find the frictional resistance when 2 m of the ram engaged in the cylinder. Take the weight of ram as 500 N. = F. -Ram -Oil film

6. A hydraulic lift (see below) of the type commonly used for greasing automobil 280.00 mm diameter ram which slides in a 280.18 mm-diameter cylinder, the annular spaces being filled with oil film of thickness t = 0.09 mm, having a viscosity 0.3612 kg/(m.s). rate of travel of the ram is v = 0.22 m/s, find the frictional resistance when 2 m of the ram engaged in the cylinder. Take the weight of ram as 500 N. = F. -Ram -Oil film

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

6. A hydraulic lift (see below) of the type commonly used for greasing automobiles consists of a
280.00 mm diameter ram which slides in a 280.18 mm-diameter cylinder, the annular space
being filled with oil film of thickness t = 0.09 mm, having a viscosity 0.3612 kg/(m s). If the
rate of travel of the ram is v= 0.22 m/s, find the frictional resistance when 2 m of the ram is
engaged in the cylinder. Take the weight of ram as 500 N.
Ram
Oil film
-Fixed cylinder

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