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If a pressure gradient can travel no faster than the speed of sound owing to so-called "choked flow", how can a supersonic jet engine work?

Awarded | Answered 56 days ago by explicit | Category: Engineering | 222 Views | Awarded to: Jayen

What is the Formula for the Percent of Open Area of a perforated panel? Of the holes are 3/8" Diameter, 1" apart and stagered at 60 degrees, the panel has a 13% open area. How is this calculated?

What would be the resonant frequency for a series RLC circuit with the following components: a 1 k??resistor, a 900 uH inductor, and a 0.014 uF capacitor?

I'm doing my final year EEE engineering I'm gathering information about wireless electricity where can i get information about it, Thanks in advance

We have all seen these. Quite often the clouds emerging from these towers are used, erroneously, to illustrate pollution from powers stations but in reality it is water vapour only being emitted. The shape of...

Does one half of a cup equal to the same as one half inch on a tape measure?i would say no but others argue with me and say yes.i think it is different because liquid and length is totally different.

To: Dr. Know, I've read some of your answers regarding electromagnets and your answers have been quite helpful in a project that I've been working on. My project uses two electromagnets, the cores are...

In our boat we are using imax search light.Now the problem is from the Bridge with joystick l can achive only PAN movement,for TILT also movement is PAN. I would like to know why it happens.There are two motors...

In our boat we are using generator giving 440v three phase.Present problem is in R and Y lam getting 440v,but R and B 240v,Y and B also 240v.What could be the reason. The AVR used is two phase sensing.(model...

Awarded | Answered 139 days ago by tekkan | Category: Engineering | 244 Views | Awarded to: explicit

Condition: two step pulleys, equal sizes, inverted to each other (smallest step on one pulley directly above largest step on the other pulley). One pulley is being diven by a motor shaft and the other is mounted...

I ask for model wikler for foundation on soil elastic it's simple model (resolution differentiel equation )

How much heat is generated when a 3 ft lenght of 14 gauge wire is hooked to a 3.7 volt lithium battery. I would like to know what formula to use

Awarded | Answered 165 days ago by Dr-Know | Category: Engineering | 134 Views | Awarded to: Dr-Know

Did the community have any warning that the disaster was going to occur?If so, how did they try to prepare fo it? How did their preparation help them?