Answer:
Given that;
Jello there, see explanstion for step by step solving.
A horizontal channel of height H has two fluids of different viscosities and densities flowing because of a pressure gradient dp/dx1. Find the velocity profiles of two fluids if the height of the flat interface is ha.
Explanation:
A horizontal channel of height H has two fluids of different viscosities and densities flowing because of a pressure gradient dp/dx1. Find the velocity profiles of two fluids if the height of the flat interface is ha.
See attachment for more clearity
Answer:
C. Homeowners
Explanation:
I just took my automotive pollution prevention certification and passed by answering homeowners for this question.
Answer:
False
Explanation:
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Wing D (high camber and surface area, least weight) generated the most lift force and Wing C (most streamlined) generated the least drag force. It is concluded that the shape of a wing does affect the lift and drag of an airplane.
Answer:
The answer is 27.69 [psi]
Explanation:
(Barinly´s editor seem to not be working properly so please see attachment)
We know that:
Where:
- σ => Stress in the material
- Pin => Internal Pressure
- Din => Internal diameter
- t => Thickness
Since we know that thre Stress is directly proportional to Pin and Din but inversely proportional to thickness, we need to add a proportionality constant "k" to our equation to make it complete:
We also know that the Stress is 100 [psi] when Pin is 25 [psi], Din is 5 [in] and thickness is .75 [in], using this values we can solve for k:
thus k = .6
Now all we need to know is use the same equation but using the new parameters: Pin = 15 [psi], Din = 2 [in] and t= .65 [in]
The stress is 27.69 [psi]
