Answered: Air 25 kPa Blade Water 3m 659 Jet W

Engineering

Mechanical Engineering

Air 25 kPa Blade Water 3m 659 Jet W

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter39: Residential Energy Auditing

Section: Chapter Questions

Problem 3RQ: Name four nationally recognized energy certificationsfor home auditors and contractors.

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Concept explainers

Free undamped vibrations

Whenever an object/system displaces in either side of its equilibrium position with the help of an external/internal means, then the object/system moves regularly or randomly on both sides of its equilibrium position. This motion is called vibration. Generally, there are three types of vibration: longitudinal vibration, transverse vibration, and torsional vibration.

Question

Find the force required to hold the blade in position, if the jet weight (100kg) and discharge (400l/sec).

Air 25 kPa
Blade
Water
3m
65%
Jet
W
Fig.5

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