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Engineering - November 2006

[Selected]: All categories Science & Mathematics Engineering

It is what the main character, Bart, used blow himself up with at the end of Stephen King's novel "Roadwork." It is said, in the novel, to have sixty times the explosive force of dynamite and it can only be set off with a strong electrical charge. I can’t find any thing about it, so it must be just made up, right? If you could confirm or contradict this assumption it would be greatly appreciated.

2006-11-08 01:02:55 · 2 answers · asked by Anonymous

Justify your choice. (You can choose more than one if you're having a tough time deciding)

2006-11-07 23:41:17 · 15 answers · asked by button 1

2006-11-07 23:20:57 · 2 answers · asked by itzdeep 1

2006-11-07 22:23:57 · 13 answers · asked by Anonymous

What would be a cheap solution for measuring turning with response time in ms (is a potentiometer fast enough)? What about a variable capacitor, can anyone point me to a site with schematics?

Thanks

2006-11-07 19:39:48 · 4 answers · asked by ahab_orr 2

Suppose that we have a simple rc circuit , a dc source (V), a switch, a bobin (L) and a resistance (R) connected serial respectively, in steady state, current is V/R. When we open the switch at t=0, current and voltages will change according to the following equations,

Current =V/R . exp(-t.R/L) and voltage drop across the bobin= - V. Exp(-t.R/L).

As seen very clearly, voltage drop across the bobin can not be higher than source voltage V, but we know very well that the instant we open the switch there are huge voltage spikes (10-20 times as high as the source voltage) across the bobin, so what is the problem with these equations that the spikes are not seen in these equations ?

2006-11-07 19:03:59 · 1 answers · asked by akg_dnn 2

please suggest a thoughtful and impressive T-shirt quotation for an computer networks engineering post graduate student in india. thanks a lot in advance

2006-11-07 18:22:29 · 8 answers · asked by pksrinivasan 1

2006-11-07 17:56:55 · 2 answers · asked by rabdulahed 1

I want to know if there is a formula for how much force it takes to seperate a magnet. I am mostly interested in sliding 2 rare earth metal magnets apart instead of pulling them. I assume it is a function of the area and strength. Any help is appreciated!

2006-11-07 17:48:04 · 2 answers · asked by Local Hero 1

I am asking this question from the safety aspect.

It is known that spontaneous shattering occurs in tempered glass. Whether there is a standard/code on glazing material in Australia to address this issue?

2006-11-07 17:46:58 · 1 answers · asked by orhhai 2

and the angle that it makes with the larges force. Solve analitically using the parallelogram of forces. f1 = 90 N, f2 = 100 N

2006-11-07 14:55:48 · 3 answers · asked by Anonymous

2006-11-07 14:55:06 · 3 answers · asked by Bow Chika Bow Wow 2

2006-11-07 13:33:15 · 1 answers · asked by ismit ulam raja 1

Its architecture, it has to be easy and simple. It can be inly 2D.

2006-11-07 12:50:37 · 2 answers · asked by vgvp67 2

I would like to know what materials are acceptable for support of PVC and DWV. This would be in the walls and attic. If anyone knows a book or web site please let me know as I need some reference material. Thanks!

2006-11-07 12:29:36 · 1 answers · asked by Anonymous

2006-11-07 11:46:58 · 11 answers · asked by you kno who! 1

Like history, or what they to today and some other additional facts

2006-11-07 11:12:58 · 3 answers · asked by Anonymous

2006-11-07 11:02:04 · 13 answers · asked by meg *__* 5

first steps,developement,the history of air conditioning system,the importance

2006-11-07 08:35:41 · 3 answers · asked by Anonymous

I am interested in learning the basics of how the foundations for highway lightpoles and large, heavy street signs are designed. (IE: concrete, reinforcement, anchor bolts, etc...)

2006-11-07 08:25:23 · 2 answers · asked by Anonymous

The model should be able to explain charge and discharge characteristics. Also please give me the numerical values of all model parameters. I found a paper which gives a accurate model, but does not tell anything about numarical values. Please halp me . . . .

P.S. It's better, if you could just give me the schematic of the model with the values of all device parameters.

2006-11-07 06:00:49 · 1 answers · asked by The Potter Boy 3

The effect of the profile is to change slightly the effective radius of the wheel so that the cast iron wheel pair can negotiate curves.

2006-11-07 05:56:56 · 2 answers · asked by David 1

Understanding that different manufactures make different modles, who makes high voltage transformer windings with the thickest relative insulation?

2006-11-07 05:23:54 · 1 answers · asked by Brad C 2

I am building guitars, but I'd like to know how to go about buiding an electric cello; info on either that or the construction of the classic cello (as in Cremona, etc.) would be very good as well given that tructurally I can easily figure out the electric cello -after all, it IS based on the electric guitar and bass-, but the actual details concerning scales, etc., nut size, bridge, tailpiece, etc. are something I simply cannot afford to waste time figuring out on. These details would be explicite on plans for any type of cello.

2006-11-07 05:15:24 · 1 answers · asked by Anonymous

2006-11-07 05:01:12 · 3 answers · asked by Caroline B 1

2006-11-07 04:43:49 · 5 answers · asked by Anand K 1

2006-11-07 04:41:19 · 4 answers · asked by Anonymous

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