Prob. 3: A steady push on the piston in Fig. causes a flow rate Q = 0.15 cm/s through the needle. The fluid has p = 900 kg/m' and u = 0.002 kg/(m-s). What force F is required to maintain the flow? D2 = 1 cm D, = 0.25 mm F 1.5 cm 3 cm

Prob. 3: A steady push on the piston in Fig. causes a flow rate Q = 0.15 cm/s through the needle. The fluid has p = 900 kg/m' and u = 0.002 kg/(m-s). What force F is required to maintain the flow? D2 = 1 cm D, = 0.25 mm F 1.5 cm 3 cm

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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Concept explainers

Metrology of surface finish

In general terms, the application of scientific principles in the study of measurements is known as metrology. When speaking about measurement, it could be of time, length, microstructures, grain structures, internal crystal discontinuities, surface roughness, measurements of angles, height, width, and so on. While coming to the domain of mechanical engineering, metrology is considered the science of measurements of surface finish, length, surface texture, and angles.

Question

Prob. 3: A steady push on the piston in Fig. causes a flow rate Q = 0.15
cm/s through the needle. The fluid has p = 900 kg/m and u = 0.002
kg/(m-s). What force F is required to maintain the flow?
D2 =1 cm
D, = 0.25 mm
1.5 cm
3 cm

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