
We always have threads on various pieces of the puzzle, but what I want here is for people to post a coherent plan of...

Aug1314 11:01 PM
jim hardy

1,039 
237,017 
You're just one click away from posting your homework help request!
Click here to post.

May1714 06:51 PM
Redbelly98

0 
2,666 
A number of questions, particularly involving homework, often involve some basic engineering.
In the US, the...

Nov2213 02:02 PM
rneale

38 
61,798 
Hi all,
I am trying to upgrade my car's audio system. There are kinds of free air loud speakers. I am not what...

Sep710 01:47 PM
dr dodge

3 
4,391 
I'm reading a book on step motor.
There is an equation:
F=\phi2\frac{dR}{dx}/2
F is mmf
\phi is flux
I don't...

Sep710 09:38 AM
law&theorem

0 
1,352 
Ive got a beam that I cant seem to calculate the loading of. Lets say beam ABC supports are at A & B, BC is a...

Sep710 03:45 AM
Wetmelon

3 
4,545 
If I have a beam tilted at an angle with a weight hagning off of one end and it is fixed on the other (see...

Sep610 06:23 PM
john.phillip

3 
1,703 
Hi,
I am trying to design a small machine that lowers a raised weight slowly. For example if i raise the weight by...

Sep610 01:30 AM
Danger

2 
2,172 
I was wondering how long would it take to charge a capacitor at 5volts if there are 4 parallel. This is the details on...

Sep510 10:00 PM
pixel01

4 
2,124 
As a fun project, I'm trying to design a mechanical machine as simple and elegant as possible to "crease up" a round...

Sep410 11:48 PM
Danger

20 
3,127 
Looking at the steam tables I see that the entrolpy of steam at a constant temperature increases with a decrease in...

Sep410 05:46 PM
Feliks

27 
16,936 
Hi I am new to refregration field please help me to calculate / design for the condenser coil
evaporator coils based...

Sep410 02:10 AM
Balan Suresh

0 
1,364 
how fault recovery is done in Milcan? if there are two Milcan buses and if one of them fails how the other will take...

Sep410 01:52 AM
kirthi

0 
1,145 
Hi,
I am a small doubt...its so said that for an axissymmetrical loading, the shear stresses in \theta direction...

Sep310 03:24 PM
jmkcourse

0 
3,966 
It's been a while since I've had to do these calculations..
I'm looking for the flow rate at the wall of a 3.175 mm...

Sep310 10:12 AM
minger

1 
8,219 
I'm looking to calculate the horizontal force produced on a plate covering a pit from a fork lift truck coming to a...

Sep210 05:19 PM
sophiecentaur

10 
3,189 
Hello,
I have students that are doing a project where they need to interview an engineer in their chosen/assigned...

Sep210 05:10 PM
berkeman

3 
3,495 
I am trying to design and build a small scale desktop water tunnel so I can observe the fluid dynamics of airplane...

Sep110 11:19 AM
RonL

13 
8,227 
Basically I am researching on compaciton (employing vibration) of a layer of soil (sand, with no cohesion) deposited...

Sep110 01:28 AM
roozbeh2010

0 
1,885 
Hi everyone,
I'm working on COMSOL's acdc module and I'm trying to find the magnetic field which is created by an...

Aug3110 02:29 AM
peagasus

1 
3,402 
Dear colleagues
I`m working on liquefaction resistance of sand utilizing shaking table tests.
i want to draw shear...

Aug3010 07:45 AM
hooman_m

2 
5,072 
hi,
i am trying to calculate angles and velocity.
i believe i have to use PID (never done before)
angles
i have a...

Aug2910 04:44 PM
bradleyk

2 
3,530 
So I posted this in the Electrical Engineering forum, and with 41 views and no replies, it appears I put it in the...

Aug2810 09:41 PM
petitericeball

0 
930 
please can someone help me with the equations to use for Cp and h(convection coefficient) because i am doing a finite...

Aug2710 06:55 AM
abc007

5 
3,495 
This is not homework, but a problem from work.
If 4 tanks with fixed 90m^3 volume contained Nitrogen gas at 701.3...

Aug2610 08:47 AM
bluesman4509

3 
4,629 
Hi all,
I bought a small gearhead motor for a uni project, however the shaft is a strange shape. Round for the most...

Aug2510 12:52 PM
sophiecentaur

8 
3,403 
how do you read of these tables to get them filled. Can you please show me how to do them not do them for me only...

Aug2510 09:00 AM
Mech_Engineer

1 
3,049 
Eager young mind at work
im trying to come up with a concept of a suit that you ware at work, the main purpose is...

Aug2510 07:50 AM
Detlen1

3 
2,367 
Hi.
I was trying to calculate a situation where you have a piece of cable that is attached to a horizontal bar and...

Aug2410 11:30 PM
Thorvald

7 
1,990 
Hello, everyone,
I have a question on how to calculate the heat transfer and change in temperature for a project I...

Aug2410 08:05 PM
john.phillip

1 
4,397 
Hey would really appreciate help with this question, thx :)
A lorry, of mass 12500kg, starts from rest up a hill....

Aug2410 07:46 PM
Mech_Engineer

2 
1,607 
Are there any applications of optical devices in environmental science? What technologies, companies and research...

Aug2410 06:08 AM
MATLABdude

3 
2,457 
I am looking for some textbook recommendations in Systems Engineering: decision support, modeling, mathematical riqor....

Aug2310 03:03 PM
mheslep

3 
4,991 
Hi All,
my first post on this fantastic forum.
I am attaching a timber ledger to a concrete pool with 10mm...

Aug2110 06:50 PM
jack in oz

2 
3,029 
I'm currently a masters student in nuclear engineering, as part of my thesis, I have been trying to develop a...

Aug2010 03:30 PM
Hologram0110

0 
4,347 
I need help answering this question.
So theres a slab beam and column layout of a reinforced concrete structure....

Aug1910 09:17 PM
sardonicus

1 
12,460 
Hello everyone.
I have been trying to determine the tensile force needed to rip a threaded tube out of its female...

Aug1910 09:05 PM
sardonicus

2 
1,925 
Hello all,
This is my first post on this forum, I am trying to find out about Fluid Surface Interaction (FSI), but...

Aug1910 07:20 AM
MechEng2010

0 
1,780 
I would like to build a dehumidifier. I don't even know where to start. I read that refridgerative coils are use in...

Aug1810 08:12 PM
russ_watters

6 
24,566 
I need to hook up an instrument that requires a source of compressed air at 47psi and 4cfm. I have a pressure gauge...

Aug1810 06:37 AM
Q_Goest

1 
1,850 
Hi, taking a chance here... i recently played a game. This game involved you starting out with a marble in 3d space,...

Aug1710 03:39 PM
Sadpanda

3 
1,204 
Hi,
Anybody can help to give me information about an electromagnet of size less than 6mm?
Shams

Aug1710 03:05 AM
sa007bd

0 
1,315 
Newbie here;I have a project where I need to know the formula to find the speed of a known quantity of air in cubic...

Aug1410 04:20 PM
russ_watters

6 
1,803 