Oil Definition and 552 Threads

Homework Statement a 5 microfarad capactior and a 10 microfarad capacitor are connected in parallel across a 50 volt battery as shown. the battery is disconnected and the two capacitors are separated from one another without altering the charge on either one. oil with a dielectric constant of...

I caught this on C-Span last night. It is very interesting, also very long. Some big time players testify here. There is a lot of talk about the "Enron Loophole" If nothing else watch Dr. Mark Cooper at about the 50 trough 60 minute segment. Yea I know he is involved in consumer affairs, but...

What do you think? Why haven't we heard of this on the news? http://discovermagazine.com/2006/apr/anything-oil"

Today’s world would seem to dictate that a changeover is needed from DC powered operations to AC for drilling rigs. Is this actually true? Is AC a better deal or a sleeping dog best left alone? DC rig operations have been in existence for many years and have proven reliable so, why the interest...

Milikan's oild drop experiment is a famous experiment to dertermine the charge on an electron. In order to perform the calculations it is necessary to solve the equatuion that describes the speed of small drops of oil falling under gravity. This equation is: dv/dt = 9.8 - Cv/D^2 Where C=...

Hullo, I'm new here, so I'm not really sure where to post, but i supposed my question would come under physical chemistry. I am writing an essay on separation techniques in the oil industry, and I came across this machine...

1. Oil is being pumped continuously from a certain oil well at a rate proportional to the amount of oil left in the well; that is, dy/dt=ky, where y is the amount left in the well at any time t. Initially, there were 1,000,000 gallons of oil in the well, and 6 years later there were 500,000...

I've been trying to determine the concentration of a vegie oil (0.9 g/mL) in dilute(~2,4 w%) oil-water emulsions that are badly aerated and with gas bubbles. I tried the density method, weighing the samples and then vacuum suck them to rid the bubbles - in order to get an accurate volume...

[SOLVED] block in oil Homework Statement A cubical block of wood 10.0cm on a side floats at the interface between oil and water with it's lower surface 3.00cm below the interface. The density of the oil is 0.790kg/m^3. a) what is the gauge pressure at the upper face of the block? b) what...

Why does water put fire (not oil fire) out? I understand that the bound Oxygen atoms in the H2O molecules can't be used by the fire but doesn't water contain free oxygen impurities; If not, how do fish breathe? Is it just because the amount of oxygen contained in the impurities is insignificant...

So, you have steak which you toss on a hot pan. The heat eventually break apart the molecules, making oxygen and hydrogen evaporate and you are left with just carbon, a burnt crust on your steak. My question is, why does this change when you use oil or fat? I have two possible solutions...

http://littleshop.physics.colostate.edu/onlineexperiments/Pyrex%20and%20Oil.html I want to show the math of what happens when the pyrex glass rod is immersed into wesson oil making the bend in light identical, but I don't know where to start? Suggestions? Or equations you believe I should...

Im toying with the idea of trying to get a summer job in the tarsands and I was wondering if anyone could give me the names of some companies I could enquire to. I'm in the third year of a Masters in Mechanical Engineering in Scotland, if that helps at all. Thanks!

light travels more slowly in vegetable oil than in water. Will an object appear larger or smaller if the beaker is filled with oil rather than water?...help me thanks

[SOLVED] Calaculate Mass of Cube submerged in oil and water Homework Statement A cube is submerged in water and oil the oil is on top, and forms a layer 10cm thick. the water is underneath and forms another layer 10cm thick. the cube has sides of 10.2cm, and has 2.3cm below the oil water...

I was wondering if anybody could help me. I need to calculate the impact force exerted on an rov if it collides with a oil well tree. The information I have are the mass of the rov = 500 kg, initial velocity othe rov is 1.5 m/s and the oil well tree is a fixed body. I am unsure how to calculate...

Homework Statement A 12,000 N car is raised using a hydraulic lift, which consist of a U - tube with arm of unequal areas, filled with oil with a density of 800 kg/m^3 and capped at both ends with tight-fitting pistons. The wider arm of the U tube had a radius of 18. cm and the narrower arm...

Hey All, I am an offshore oil worker and have a lot of time to devote to my studies of Physics. I am interested in the pursuit of a general understanding of Relativity, Quantum, and Thoeretical Physics. Although I have a basic understanding of the concepts, I would like to ask the...

Well it finally happened. I'm still going to be driving my car around though, as there's no adequate and timely public transport to get me to and from where I need to go. Still you would think somethings got to give.

Tined new potatoes do not attempt to fry them, they explode, i have just finished cleaning all the cooking oil of the walls ceiling etc, all i did was pour the potatoes into hot fat and within minutes they started exploding, i saw one jump 6 inches into the air, i could not get near the pan...

Molecules of conventional oil are of varying size and those of synthetics are of uniform size, so it seems illogical that synthetic oil would be superior to conventional for cold starting only, as the smaller molecules of conventional oil should be able to remain in tighter spaces that larger...

Hi guys, i am about to graduate from my mechanical engineering degree, i am thinking of going into the mining industries, becoming an on-site engineer. People have been telling me that it's a job that pays VERY WELL, but the downfall is that you will have to be on the site for 6 months every...

An underground oil storage tank ABCDEFGH is part of an inverted square pyarmid, as shown in the diagram. the complete pyramid has asquare base of side 12 m and height 18 m.the depth of the tank is 12 m. http://haniny.com/haniny/Square_pyramid.gif when the depth of oil in the tank is h...

Im doing millikan's oil drop experiment as my A level physics coursework to eventually calculate the electronic charge. I am fine with all the theory but what I am really struggling with is the actual practical experiment. I have seen the oil drops a lot and have managed to manipulate them...

How are they estimated? What methodologies experts use for that? Some say they will last for up to 50 years,some say for only 15 years. The opinions differ.

Homework Statement Hi everyone, I am working on Millikan's oil drop experiment. The first 2 columns were given to us, while we figured out the rest (chart/formulas below). I now have to complete another column beside "Mass" with the caption: "Excess Electrons" My teacher said that he...

Hi I need to build a 12V alternator inside a pressure casing that will be driven by a propellor. This will be mounted on the rear on an oceanographic sensor platform that will be towed behind a ship on a long cable with the ship's forward motion providing the spinning of the prop, for the...

Homework Statement Consider an object that floats in water but sinks in oil. When the object floats in a glass of water, half of the object is submerged. We now slowly pour oil into glass so it completely covers the object.. Compared to water level, does the object move up, move down, or stay...

Homework Statement In a Millikan experiment the distance of rise or fall of a droplet is .60 cm and the average time of fall (ie field off) is 21.0 s. With the field turned on, the observed successive rise times are 46.0, 15.5, 28.1, 12.9, 45.3 and 20.0 s a) Prove that charge is quantized...

i need to calculate the surface area of a furnace for a firetube boiler. do anyone know what is the temperature of the gas inside the furnace when Heavy fuel oil is burnt?and also what is the temperature of the furnace wall. thank you in advance

what is the stiochiometric air-to-fuel ratio for heavy fuel oil? i need it to calculate the enthalpy of gas fromheavy fuel oil firing .

I am doing a science project to determine what material is best at cleaning up an oil spill in the ocean. I plan to simulate the ocean and use motor oil. I am trying to do something similar to Exxon Valdes

:-p http://www.cbc.ca/consumer/story/2007/09/26/helium-shortage.html

Hi guys, For a prac we did, we are given the properties of a particular oil. Density (kg/m^3) = 876 Viscosity (Ns/m^2) = 20.0x10^(-3) I believe it is the dynamic viscosity. Now is this viscosity correct? Or should it be 2.0x10^(-3)

About 200 days ago i made a thread on this forum about peak oil the thread was called hubbert peak. in that post i asked if you realized that peak oil was coming and got by and large a negative response. things like "no peak oil is myth" and "we will find other energy sources" i...

For those of you who know about my efforts to join the biofuels industry, we did in fact have algae oil by Labor Day, which was the goal this summer. One of my short cuts failed so for now we only got a few grams extracted, with the rest still in the algae, but a number of tests seem to confirm...

Does anyone know of any chemicals that will vulcanize soybean oil? I only know of two chemicals at the moment- Magnesium oxide, and sulfur. I have tried these chemicals and they do work. The one made with magesium oxide is very shapeable and deforms into a blob if left alone.

My chemistry professor was discussing Milikan's oil drop experiment today, and she said that he determined the mass of the oil drop by measuring its speed as it fell. (I found this further description online) If that's the case, why doesn't air resistence appear in the equation Eq=mg from which...

I found that the leaves of the elderberry tree (Sambucus nigra) can be used to add a green coloring to oils and fats, among other things, is this claim true? http://www.pfaf.org/database/plants.php?Sambucus+nigra" Also what compound in the edible berries makes it a good pH indicator (red=acid...

In 1956, Hubbert proposed that fossil fuel production in a given region over time would follow a bell-shaped curve without giving a precise formula; he later used the Hubbert curve, the derivative of the logistic curve, for estimating future production. Hubbert assumed that after fossil fuel...

In an early set of experiments, Milikan observed that the following measure charges, among others, appeared at different times on a single oil drop. What value of elementary charge can be deduced from these data? 1) 6.563 x 10^-19 C 2) 8.204 x 10^-19 C 3) 11.50 x 10^-19 C 4) 13.13 x 10^-19...

Hi I've got a scenario and would like a confirmation or rejection on it's correctness. If i lower a steel riser (for simplicity it is 3000 m and vertical, open ended, cylindrical steel pipe, completely flush) into drilling mud (assume water) the surface weight would be the steel weight in...

I am having a huge problem with understanding the derivation of velocity profiles for these type of problems. The one i am having the most difficulty is the flow of oil going down vertically along the surface of a glass rod. Where p=900 kg/m^3 and u=120 mPa's. How do I start this problem?

Hi i was going through some of my physics past papers to prepare for exams, when i came across this question A film of oil of refractive index 1.45 rests on a flat piece of glass of refractive index 1.6. When illuminated by white light at normal incidence, light of wavelengths 690 nm and 460...

http://www.pbs.org/now/shows/319/index.html A case of big oil and a corrupt government being held accountable? I hope this guy blows the lid off of this business.

A positively charged oil drop is injected into a region of uniform electric field between two oppositely charged, horizontally oriented plates. If the electric force on the drop is found to be 8.60 × 10−16 N and the electric field magnitude is 153 V/m, what is the magnitude of the charge on the...

I have 2 liquids, Oil and water together in the beaker. Assuming both liquids are non mixable I push a block into the water and it floats at halfway between the Oil and the water See the attachment and please help me I'm stuck and passing the class depend on this particular problem ...

A disabled tanker leaks kerosene (n=1.2) into the Persian Gulf, creating a large slick on the top of water (n=1.3). If you are scuba diving directly under the region of the slick, whose thickness is 460nm, while the Sun is overhead, for which wavelength(s) of visible light is the transmitted...

A positively charged oil drop of mass 1.00 × 10−15 kg is placed in the region of a uniform electric field between two oppositely charged, horizontal plates. The drop is found to remain stationary under the influence of the Earth's gravitational field and the uniform electric field of 0.680 × 104...

Hi Friends! Can anybody tell me the download link for "Sperry Vickers Hydraulic Manual" dealing (oil) Hydraulic valves, actuators, pumps etc? Or any equivalent manual from Rexroth or any. Please! Thanks & Regards. P.Ramesh