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Blog Details for "Conference Room 4 (CR4)"
Conference Room 4 (CR4)Conference Room 4 (CR4)Conference Room 4 (CR4) is a forum for engineers, scientists and technical researchers to discuss engineering news, seek technical help and get answers to burning questions. Articles
General
2008-10-06 13:36:00 Every human has shadow as they emit the sunlight.where is the shadow for planets and moon as they also emit the sunlight?
Help required with Reynolds number calculation
2008-10-06 13:09:00 Would appreciate some help from the mathematicians among you, as I am unable to resolve what should be a fairly simple calculation. I need to find the Reynolds number to evaluate the flow condition of a subsea fluid we are using to flush some installed tubing. The parameters I have are as
Women in the news for October 6, 2008
2008-10-06 13:00:00 Professor wins global tech award: The Anita Borg Institute for Women and Technology (ABI), based in Palo Alto, California, announced this week that Reyyan Ayfer, chair of the computer technology and programming department at Bilkent University, was one of three recipients of the Anita Borg Change Ag
experimental results of single cylinder four stroke petrol'
2008-10-06 12:37:00 I am a M.Tech final year student of Government College of Engineering Amravati (Maharashtra).I have to submit/complete my project on this topic Please suggest me where to find computerised experimental results of single cylinder four stroke petrol engine. Thanks.
Magical results with magical numbers.
2008-10-06 11:21:00 Hello friends, Here are some magical calculations with magical numbers, don't know if it is just a coincidence or some logic behind, can any one suggest? 12345679 x 9 =111111111 (8 is unwanted for magical figure of 111111111) 98765432 x 9 =888888888 (1 is unwanted for magical figure o
canned pumps
2008-10-06 08:45:00 We want to take cooling water for our 120 MW hydro machines in an underground power station (high head) from the draft tubes. The approximate requirement of water shall be 250 litres per second and pressure at pump outlet shall be about 6 kg/sq. cm. Are canned pumps for this capacity available? We w
Computer engineering project
2008-10-06 08:44:00 what is the schematic diagr am having a components of 2 switches, 2 LED and 2 relay?
overcurrent relay grading
2008-10-06 08:26:00 When grading the overcurrent relay of an earthing transformer(zig zag) with other overcurrent relays downstream,what is the criterion to be followed?is it to be made more sensitive than others i.e it should truip before other overcurrent relays dowstream or it should be treated as ordinary overcurre
Piping Material
2008-10-06 07:53:00 How can one decide whether PWHT(Post Weld) is to be required or not.Pl. explain conditions used( Holding time,temp with thickness applied , MOC used ,etc.)
Yellowstone National Park - Hot and Steamy (Part 1)
2008-10-06 07:01:00 What's hot as lava, cold as snow, and larger than the state of Rhode Island? Yellowstone National Park! Spanning parts of Wyoming and Montana, Yellowstone contains more than half the world's geysers and thermal activity, a landscape that varies between high peaks and its own Grand Canyon, and w
american system voltages?
2008-10-06 06:58:00 WHY IN US 138KV,345KV ,13.8KV VOLTAGES ARE USED AS COMPARE TO INDIAN VOLTAGES LIKE 230KV,400KV,11KVETC???
Water jet deburring for gears
2008-10-06 06:07:00 I am currently working on a project of water jet deburring of gears. I have a few questions related to that 1. What should be the water pressure for it. 2. which are the pump suppliers in Europe who are really good in it.Price is of no issue 3. Are there any site related to water jet
Do moving clocks really 'tick slower'?
2008-10-06 06:00:00 We know the relativistic view: "moving clocks tick slower than stationary clocks". We also know that Einstein's Special Relativity (SR) demands: "there is no absolute movement, only relative movement". This tells us that when two clocks are moving relative to each other, we can view any one of
Trim Parts in a valve
2008-10-06 05:45:00 Hi all Some one told me that all those parts that have direct contact with fluid in a valve are called trim. Please validate.
Why epoxy did not stick to plastic housing?
2008-10-06 05:41:00 Lord Epoxy EP-20 resin + Lord No. 66 Hardener (ratio is 1:1) this Epoxy did not sitck to plastic housing. the plastic housing material is PA6 - Nylon6, 33% Glass Filled (Heat Stabilized). Because MOLD RELEASE ???? Cause the cure process e.g. temperature or cure time??? tks in adv
solar hot air collector
2008-10-06 04:38:00 In building a solar hot air collector, would a thermopane glass on the front be better then a single peice of glass?With the collector plate behind the glass. Tks Johnny
How significant is Reverse Engineering in Car-Bumper (exterior) making proc
2008-10-06 04:05:00 Is Reverse Engineering play a big role in making a car bumper? How does a 3rd party manufacturer produce a car bumper? Are the CAD file easily achievable? Currently, i'm thinking of using Faro's 3D Laser scanner and maybe rapidform xor to get the bumper CAD file.. is that ok? i'
Quartz Infrared Heaters
2008-10-06 04:05:00 Are Quartz Infrared heaters worth buying to help reduce energy costs. Example: A 1000 square foot home using a 1000 or 1500 Watt heater costing $420.00. I have not been able to find any facts on these heaters.
Mold and Mildew
2008-10-06 03:57:00 Hi to all, I have a real dilemma ... We manufacture some products with wood (actually MDF and HDF) and textile components, and recently ONE of our clients has complained about mold and mildew appearing on products. The problem only appears on some finished good received, and we learne
HDPE Pipelines SDR5
2008-10-06 03:38:00 Is there someone who is using this pipe? I am interested in valves spec. NB
The Pickens Plan
2008-10-06 02:16:00 I wish to promote the www.PickensPlan.com We are about to enter the age of "plug-in" cars. We are about to end the 20MGD import oil glut. Pickens is talking about the "plug-in" methane system, and the Chevy Volt is another "plug-in car" (plug into any 1500 watt AC outlet). We need to
Dworshak Dam
2008-10-06 00:55:00 Okay I am 13 years and came across this why I was looking up stuff about our dam. I live with my mom and little brother in Orofino, Idaho. I live four miles upstream from this dam that was rated a 2 on being the safest. We have cracks and water going into our foundation. The Corps of Engineers told
Fall Foliage: Newsletter Challenge (10/07/08)
2008-10-06 00:01:00 Welcome to October edition of Monthly Challenge Question from Specs & Techs by GlobalSpec: You and your wife are out admiring the foliage in the late, cool days of fall in the Northeast U.S. Your wife says it feels cold; you tell her she must be getting sick because you are finding the temp
Comparison
2008-10-05 22:55:00 Hello every body. how r u? I'd like to ask you about techical comparison between (Stainless steel Z6 CN & Stainless steel Brushed SB). Can you help me? At least i'd like to know the mechanical properties for Stailess steel Z6 CN. Thanks very much for Care. Wait your
chevy cavalier (2000)
2008-10-05 22:21:00 when I try to start the car, it doesn't turn over, but you can hear the starter still going after the key is shut off. It is not that fan that is running. The starter is almost brand new, put in by a mechanic approx. 2 months ago. Any clues?
Stupid Vista
2008-10-05 22:16:00 I bought this laptop about 6 months ago and mostly I'm quite happy with it. The one thing which bugs me is that very often when I try to minimise a window it closes the window and other stupid things like that. It seems vista is putting the mouse cursor in a different place to where I see it o
Basic Wind Speed in Saudi Arabia
2008-10-05 17:44:00 Hi fellow Engineers, I am making a structural design calculations for a composite structure using reinforced concrete and steel shapes. I want to incorporate the wind factor on the design. Can you help me provide the applicable Basic Wind Speed for this location (Dammam, Saudi Arabia) and the a
Building a solar powered go-kart
2008-10-05 17:20:00 Hello, I want to build an electric/solar powered go-kart. It will be a heavy two seater . But is there any way I can build one like that to go 65 MPH? Im not gunna rely on just solar power but it will also run on charged batteries - many. I know this is almost not possiible but I think it is
I want to start learning C++
More articles from this author:2008-10-05 16:30:00 I want to start learning C++ ,i need advice about the best websites and books to start with . I will be thankful for any advicel. 1, 2, 3, 4, 5, 6, 7 |
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