Engineering - September 2007

2007-09-04 04:22:46 · 1 answers · asked by Anonymous

As in, which is the simplest and easiest to get into, with the lowest marks. As i hear its comp engineering. But i dunno, the person who told me is a little odd

2007-09-04 02:51:55 · 13 answers · asked by KoolKid22 2

Explain the operation of an op amp as an inverting summer.

2007-09-04 02:37:19 · 1 answers · asked by Anonymous

2007-09-04 00:56:22 · 7 answers · asked by roberto a 2

how to avoid electricity overloading and causes

2007-09-04 00:31:35 · 2 answers · asked by ponso 1

How does an electric telegraph work? And what's the purpose of it?

2007-09-03 22:44:45 · 5 answers · asked by Anonymous

I have a few questions :
- what are the advantages and disadvantages if i take dual degree program (in collaboration with overseas university)in my university?
- what is biomedical engineering?what are the jobs opportunities available when i have graduated from the major?

2007-09-03 22:40:32 · 3 answers · asked by LateSummer 2

Question asked is for an aplication of a cookin PAN Fabricated out of 304 Stainless Steel sheet 2 to 3 mm thick sheet material. To improve Thermal conduction it is desired to weld the bottom of the cooking PAN with 10 to 12 mm thick Mild Steel plate material. Operating Temperature may be in the region of 700 to 800 Degree Centigrade as the bottom of PAN is directly heated with gas fired burners. Please give valuable input for this application. THANKS.

2007-09-03 20:01:44 · 3 answers · asked by Anonymous

They are according to ohms'law:
I have a kettle watt=2400w , resistance=25ohm:
I boiled it with voltage 240v ,I calculate from the 3 equations above & I get the current=10A.
If I boiled it with voltage =120v, accoding to P=VI ,Voltage is inversely propositional to current I=2400w/120v and I supposed to get 20A. But what I get by measuring the actual current is only about 4.8A.WHY???

2007-09-03 18:53:43 · 8 answers · asked by A learner 1

Problem: A sky diver jumps from a helicopter and is falling straight down at 30 m/s when her parachute opens. From then on, her downward accelereation is approximately a = g - cv2, where g = 9.81 m/s2 and c is a constant. After an initial transient period, she descends at a nearly constant velocity of 5 m/s.
a) What is the value of c, and what are its SI units?
b) What maximum deceleration is the sky diver subjected to?
c) What is her downward velocity when she has fallen 2m from the point at which her parachute opens?
OK, I worked through part a by using the chain rule to get a = (dv/ds)(ds/dt) = v(dv/ds) = g - cv2. Then I separated variables, etc, integrated both sides…And eventually ended up with: s = [-ln(9.81 - cv2)] / 2c + d, Where d was the constant of integration. I took it to be so, which I assumed to be 0 (since the initial height wasn't otherwise specified). The only thing is, that landed me with 0 = [-ln(9.81 - 900c)] / 2c

2007-09-03 18:18:24 · 2 answers · asked by Yuko 3

would 100k volts kill plants that are grounded if the electricity was applied to the top of the plant?

2007-09-03 17:43:32 · 4 answers · asked by Alex 3

By improving the power factor,can it really reduce the current flowing through the meter which decides our electrical bill, or doing the job of saving energy?

2007-09-03 17:06:01 · 5 answers · asked by A learner 1

In USA

2007-09-03 14:59:29 · 2 answers · asked by JcL 6

2007-09-03 14:54:13 · 4 answers · asked by Christian 1

2007-09-03 14:29:31 · 10 answers · asked by Anonymous

in mechanical engineering

2007-09-03 13:59:00 · 1 answers · asked by Mark 1

2007-09-03 13:18:44 · 2 answers · asked by The Voldemort 1

Hello, my electrical sockets are showing there is 40v on the earth's socket. what does this mean, is it dangerous??

this was discovered during a boiler repair and now we are told not to use the boiler because it is and the rest of the house is too.

any idea about repair costs or the solution??? many thanks

2007-09-03 11:26:52 · 6 answers · asked by S J 1

this might cost a bit but like the man said you get what you pay for,space panels should be a thing of the past ! one solid part ,or even the whole shuttel if not just the bottom of the craft.

2007-09-03 10:06:01 · 4 answers · asked by Anonymous

This battery... for the technical minded among you, it's an alkaline battery, 9 volt battery, it's the type with two connectors on top, a rectangular cuboid. Sorry I can't think of the term for this type of battery.

Anyway, I sustained a fall, and the battery was in my pocket, along with my mobile phone, on the side that hit the ground.

Pretty soon after, the battery became hotter and hotter until I had to take it out of my pocket. It was actually too hot to handle when I took it out. Out of the pocket, it is still hot, but not as hot as it was. Could anyone explain about the increased heat? was it the shock of the impact, OR the close contact with my mobile phone, battery type BL-5C?

Thanks.

2007-09-03 09:00:22 · 5 answers · asked by Balaboo 5

i need to find out specifications for the strength of spot welds when used for aircraft equipment. and any other similar information is extremely useful,
once again, i love you all

2007-09-03 07:21:08 · 2 answers · asked by mitchwalsheng 1

can i do diploma in mechanical engineering through correspondence in India

2007-09-03 06:50:55 · 3 answers · asked by m gautam 1

money matters a lot ok i see some mechanical engineers do software job.. why there is discrimination in pay b/w a mechanical firm and a software firm???

2007-09-03 06:44:13 · 6 answers · asked by rakesh s 1

I just need the definition of Silicon Signal diode and Silicon Power diode

2007-09-03 04:21:01 · 3 answers · asked by ninja_blackanew 1

Ok i need to write a paper on the engineer so a website witha bio or something would help and on the accomplishment it needs to be from a different engineer. All it has to be is something i "admire" so i dont care what it is just give me one so i can write!
Thanks

2007-09-03 03:48:32 · 4 answers · asked by Anonymous

if anyone hav an answer like "there are no disadvantages of metals"...then kindly dont even bother to answer because there is nothing in this world which does not have disadvantages...i want that person to answer who actually has some knowledge or is a good searcher

Thanks!

2007-09-03 03:19:26 · 6 answers · asked by SARA H 2

links to websites would be useful...

I also need to know about h-q characteristics of pumps-any web sites you know??

2007-09-03 03:17:03 · 7 answers · asked by I want to delete my answers account 3

using a conventional fire alarm why is t-tapping not permitted?
if i make t-tapping and put end on line resistor on each side would it be permitted?

2007-09-03 02:04:07 · 1 answers · asked by wyattlighter 1

flanges for piping -

2007-09-02 21:29:33 · 2 answers · asked by danapillai 1

What is an inverting summer circuit and how does it work?

2007-09-02 20:59:52 · 2 answers · asked by Anonymous