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Engineering - February 2007

[Selected]: All categories Science & Mathematics Engineering

eg take lines (x-1)/2=(y-3)/4=z/-1
& (x-4)/3=(y-1)/-2=z have 2 b prooved coplaner.

2007-02-19 04:32:13 · 2 answers · asked by SANA 1

The thunder clouds have enormous charge, is there any way we can charge huge batteries to provide us controlled electricity or backup power support. Is it possible to do it by desigining appropriate circuit?

2007-02-19 03:26:28 · 6 answers · asked by mandira_nk 4

anybody could give me some answers...
what is the difference between ac brushless generator and non-brushless generator?? how about PMG generator??
how to improve torque in dc motor??
please anybody..??

2007-02-19 03:17:46 · 5 answers · asked by uzaiymd 1

2007-02-19 03:17:39 · 3 answers · asked by subha k 1

2007-02-19 02:54:37 · 5 answers · asked by Raja P 1

2007-02-19 02:41:26 · 8 answers · asked by rayes 1

I am build a trebuchet according to the rules for the Storm the Castle Science Olympiad event. The rules are it can only be 65cm high, 75cm long, and 75cm wide. Only the counterweight they give us can contribute to the launch. Basically w/out the counterweight on the arm it has to sit dead still. How can I maximise the treb's efficiency? Also where should I place the axsis on the arm (1:3,1:4)?

2007-02-19 02:37:23 · 1 answers · asked by Tim 4

2007-02-19 02:17:45 · 2 answers · asked by Sharon B 2

plzzz help regarding the "Theory Of Plates And Shells"!!!!!

CAn any1 tell me that where acan i find the E-links on theory of plates and shells??

Dont give wikipedia!!! I know about it!!!
Give a link in such a way that, the link contains all types of problems regarding the plates and shells.

plzz its very urgent.
I hope u will help me. And i never forget them who helped me!!
Thanks in Advance

2007-02-19 01:37:26 · 2 answers · asked by Anonymous

What do the abreviations stand for, and what is the difference?

2007-02-19 00:42:06 · 2 answers · asked by pewf2003 1

1.0 Plz tell us heat content in thermic fluid as comapred with steam & also recommoned velocity.
2.0 We want to heat the water upto 90deg C is thermic fluid heater is good OR steam is good.?
3.0 What is a econmics of thermic fluid heater Vs steam on kcal heat energy produced?

2007-02-18 23:52:24 · 6 answers · asked by Anonymous

Fast clutch (balloon type) is fastened to D/Ws drum shaft falnged hub by means of 16 large size bolts and locked with locking wire. In one of our D/Ws 8 nos of these bolts sheared resulting in prolonged down time and hence this question

2007-02-18 22:34:23 · 4 answers · asked by sarma k 1

2007-02-18 22:16:02 · 1 answers · asked by Javad Z 1

2007-02-18 22:15:11 · 3 answers · asked by Anonymous

If it is simple, what simple machine is it? If it is complex, what simple machines can be found there?

2007-02-18 22:07:32 · 5 answers · asked by bobster_bobskin 2

in our project we have to paste a net(metal) with stepper motor gear(plastic). so that the bold rotate with stepper motor. we tried fevi quick but while running it peal off. area to be paste is approximately a 5 mm dia circle. please provide a paste (cheap) available in tamil nadu ,chennai.

2007-02-18 21:45:29 · 5 answers · asked by barath 1

In Software Industry.

2007-02-18 21:06:46 · 1 answers · asked by Mani 1

a)A capacitor offers infinite resistance to AC and Inductor to DC

b)A capacitor offers infinite resistance to DC and Inductor to AC

c)A capacitor offers no resistance to DC and Inductor to DC

d) A capacitor offers infinite resistance to DC and Inductor offers no resistance to AC


pls send me the correct answer and the reason for the answer ?

2007-02-18 20:41:09 · 4 answers · asked by mura 1

2007-02-18 19:18:14 · 2 answers · asked by morning breath 3

Hello, how in Excel can I calculate the regression coefficients and the overall correlation for 1 time series against 2 independent time series? I am not looking for a ready add-in, but for the formulae so that I can code it up myself. Many thanks.

2007-02-18 19:06:08 · 2 answers · asked by Anonymous

2007-02-18 18:22:43 · 1 answers · asked by anjum 1

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