Engineering - April 2007

How to take into calculation the weight of the stick in the mobile?

2007-04-16 23:33:27 · 1 answers · asked by Anonymous

If :
R=IP/1-(1+I)^-N

How do I make N the subject when it is a power and it is also a minus power?

2007-04-16 23:09:19 · 1 answers · asked by Anonymous

they make your hair stand up on end when you touch them but cant think of their proper name to search for them on the internet

2007-04-16 23:03:26 · 13 answers · asked by hales 2

2007-04-16 18:51:53 · 2 answers · asked by morajaa 1

We always see all these ornate and very old fountains around France and Italy. I want to know how they made them work without electricity. Where did all that water pressure come from?

2007-04-16 17:02:22 · 5 answers · asked by shawnybaby82 2

2007-04-16 16:39:40 · 2 answers · asked by vicki_banh2001 1

2007-04-16 16:04:32 · 12 answers · asked by point2west 1

Could anyone show me or guide me for basic engineering mathematics? Is there any online material for engineering mathematics? I do not graduate from engineering background bu t i have to deal with engineering calculations at work. Please help me out. Thanks

2007-04-16 15:56:01 · 7 answers · asked by Phone P 1

It has a patent.

2007-04-16 15:36:30 · 3 answers · asked by Gayle W 1

2007-04-16 15:30:06 · 4 answers · asked by Anonymous

I need to install a 1/4 inch solenoid valve in a hydraulic system. It will be on the non-pressure side and only need to hold about 700 pounds of weight when the ram is pushed out.

2007-04-16 15:25:42 · 2 answers · asked by steady 1

If you are going down the road, and get a flat tire on your canoe, how many peanut butter, and jelly sandwiches can you make, before your dog house falls down.

2007-04-16 15:05:06 · 9 answers · asked by Robert S 5

just wondering

2007-04-16 14:39:02 · 3 answers · asked by macgyver 1

Need to make an invention for a class project, and I don't know what to make out of a paperclip

2007-04-16 14:09:17 · 7 answers · asked by Anonymous

I have found where there is some natural gas coming out of the ground. Is there anything I can do in order to get it and use it?

2007-04-16 13:49:44 · 5 answers · asked by Anonymous

e.g. two 50 KVA supplying a institution. please show wiring diagram if possible.

2007-04-16 13:07:11 · 1 answers · asked by Anonymous

Hey guys, i have a homework assignment and I was stuck on one problem, now im in middle school, so its nothing too complicated, i need the IMA of a block and tackle pulley, now I know there are many different kinds, but can someone tell me what the most common it? In the same problem, it asks for the IMA of a Single fixed pulley and a single movable pulley, for the movable the awnser is 2 and for the fixed its 1, so im gussing for the block and tackle it's 3, am i correct?

thanks

2007-04-16 12:40:56 · 1 answers · asked by darkorzbc 2

it is necessary to make a copper cylinder 160cm long and 112cm in diameter. the cylinder is to be cosed at both ends.

find the cost of the material required to make the cylinder if the copper costs $15.50 per square meter

2007-04-16 12:33:44 · 3 answers · asked by Anonymous

2007-04-16 12:12:55 · 18 answers · asked by jimmy d 1

Also, could you explain the process of drilling for oil? What kind of equipment is used, what does it cost, and so on....

2007-04-16 11:29:01 · 3 answers · asked by aslate 3

2007-04-16 10:16:49 · 3 answers · asked by ramadan b 1

2007-04-16 08:55:36 · 1 answers · asked by jkgregory10@sbcglobal.net 1

2007-04-16 08:44:14 · 1 answers · asked by t h 1

since the sides are tapered a regular carpenters level wont work without some other block or something behind it on the topside of the level. are there any easier and more accurate methods of accomplishing this task???

2007-04-16 08:24:32 · 5 answers · asked by thephoneguy1234 4

2007-04-16 07:52:47 · 4 answers · asked by fiss fr 1

please do not respond with political statements, im looking for mechanical and scientific explenations. ie is there some reasons why we are not using these fuels?

2007-04-16 07:36:17 · 14 answers · asked by qp 1

i've measured the diameters of the ducts and noted the reductions in size, as well as the lengths. the unit has a btu rating. there just isn't enough air getting to the furthest room. we tried closing the registers on all the other rooms, but still no air gets to the far room.

2007-04-16 07:35:26 · 7 answers · asked by ma s 1

I see them on older brick buildings usually bolted on but dont know what they signify. not a biggy, just curious

2007-04-16 07:17:50 · 4 answers · asked by Jerry R 2

2007-04-16 07:00:30 · 5 answers · asked by Anonymous

Hi,
I'm building an electrolysis settup to clean some ancient coins and i heard that i don't want to use more then 18V and 500-700 MA is reccomended but a full amp will kill me. I have an old cell charger that i was going to use as a transformer and it is .4 A how many Milliamps is that?

Thanks.

2007-04-16 04:49:22 · 10 answers · asked by Anonymous