Q:I know I take for granted that I have indoor plumbing but where does the water pressure that causes water to flow come from when I turn on my sink? Is it a pump. Where does the energy come from?

In most cases for a city, the pressure comes from gravity. A water tank is filled by an electric pump and gravity carries the water to your home. The water is not usually pumped directly unless you have your own well.

Q:Any places that can supply CHEAP diesel generators.i don't care about the voltage output.Price range about ?100 - ?300.

Hi, okorder

Q:I was talking with a friends and I know gas in a car or lawnmower etc will go bad after a certain amount of time. Then we got thinking about the massive amounts of diesel fuel in storage at hospitals etc, is there a storage life for it? and is it turned over all the time?

Let me explain something to you: Hybrid is a drive configuration. Diesel is an energy source. You see how they're two completely different things? You can have a diesel hybrid, what do you think freight trains are? Diesel fuel has it's up sides, and a diesel electric hybrid would be even better. Why do you have such a personal dislike of hybrids? What exactly do you have against a more efficient, longer lasting drive configuration? Oh, and you talk about low end torque? Electric drive produces max torque at stall. You'll never win a torque battle with an electric, they've got it all over ICEs in that department.

Q:What are the faults of diesel generator

Click the excitation button with the excitation button

Q:Elec. bill is too high, so I wanna run 2HP swimming pool pump via generator. It's 240V. How big a generator do I need? Is diesel less to purchase than gas? Is diesel cheaper to run? Can I run the pool say 6 hrs a day on generator designed for emergency back-up?

If you take into consideration the initial cost of a generator and the fuel to feed it, electricity is still the better deal.

Q:Couldn't one say with certainty they are changing the environment in ignorance?

Sure. They're trying to warm the earth because it's really %@!ing cold down there.

Q:Are they cranked by a self starter? Is there such an immensely powerful self starter that runs off batteries and can start such a big engine?Or are they started by some gasoline powered motor?

A diesel engine is started (like an automobile) by turning over the crankshaft until the cylinders fire or begin combustion. The starting can be done electrically or pneumatically. Pneumatic starting was used for some engines. Compressed air was pumped into the cylinders of the engine until it gained sufficient speed to allow ignition, then fuel was applied to fire the engine. The compressed air was supplied by a smallauxiliary engine or by high pressure air cylinders carried by the locomotive. Electric starting is now standard. It works the same way as for an automobile, with batteries providing the power to turn a starter motor which turns over the main engine. In older locomotives fitted with DC generators instead of AC alternators, the generator was used as a starter motor by applying battery power to it.

Q:i am going to buy a second hand generator which is 108kva diesel enginehow can i test it so i know it starts but also is capable of running around 80-100kvai want to make sure it is strong and still working and not that it just startsplease help thankssam

start it up and plug it up to something, and let it run, the seller should have something to plug it in and show you it does work good.

Q:i need to do a project and i need a website that has info on why solar panels are more enviromentally friendly can you please give me some websites?

Lowers our needs for using fossil fuels

Q:Diesel trains use electric motors because the low-end torque is much greater than a mechanical drive drive train, I was wondering, since low-end torque is essential to starting with heavy dead weight, why more trucks and SUVs don't have electric motors on the wheels?

For most part, it has to do with reliability. A train runs on a set track, so no ups and downs and bumps and whatnot. Nothing under the tracks that'll come up and snag the bottom, that sort of thing. A truck on the other hand, do drive over things, and the wheels go up and down bazillion times, and all that. A truck's wheel hubs are designed to be as simple and robust as possible for maximum reliability. Adding a motor to the hub would decrease its ground clearance, decrease reliability, and if one of the motors fail the vehicle can't really run on the rest (assuming all wheels are powered) as it produces asymmetrical thrust. So you have to disconnect the matching one on the other side. The designers basically judged that currently, the technology cannot compensate enough for the advantages to outweigh the disadvantages. A while back, Ford was considering a system called gas-operated launch assist. Basically, it operates similar to the way a hybrid stores electricity generated from braking, and releases it back for acceleration. However, instead of doing battery/motor/generator, it uses a compressible gas as the energy storage medium. While driving and braking, gas is compressed into the the cylinder. When the start starts moving again, the gas is allowed to expand, adding a bit of oomph to the launch. Apparently, that idea didn't go anywhere, but it was interesting. And Dodge actually built a special hybrid Durango that only had the gas engine drive one set of wheels, and electricity drive the other set of wheels. It is much easier and cheaper to make than a regular hybrid, but apparently the traction control is giving them problems to coordinate between the two drivetrain systems. --- Kasey C, PC guru since Apple II days Borg Burgers: Have it our way. Yours is irrelevant.