Search the forum,

energy

In physics, energy is the quantitative property that must be transferred to a body or physical system to perform work on the body, or to heat it. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed. The unit of measurement in the International System of Units (SI) of energy is the joule, which is the energy transferred to an object by the work of moving it a distance of one metre against a force of one newton.
Common forms of energy include the kinetic energy of a moving object, the potential energy stored by an object's position in a force field (gravitational, electric or magnetic), the elastic energy stored by stretching solid objects, the chemical energy released when a fuel burns, the radiant energy carried by light, and the thermal energy due to an object's temperature.
Mass and energy are closely related. Due to mass–energy equivalence, any object that has mass when stationary (called rest mass) also has an equivalent amount of energy whose form is called rest energy, and any additional energy (of any form) acquired by the object above that rest energy will increase the object's total mass just as it increases its total energy. For example, after heating an object, its increase in energy could in principle be measured as a small increase in mass, with a sensitive enough scale.
Living organisms require energy to stay alive, such as the energy humans get from food and oxygen. Human civilization requires energy to function, which it gets from energy resources such as fossil fuels, nuclear fuel, or renewable energy. The processes of Earth's climate and ecosystem are driven by the radiant energy Earth receives from the Sun and the geothermal energy contained within the earth.

View More On Wikipedia.org
Recent contents Top users
  1. justlead1

    Renewable, your thoughts

    Hi. Chatting with various trades installing renewables, has suggested individuals are loosing work on both domestic and commercial properties. As skills and knowledge are limited to their specific trade. Clients want to sign one contract to cover all the proposed renewables. If this is the...
    • justlead1
    • Thread
    • air eco energy gas gas safe membership nvq plumbers plumbing qualification renewable renewable energy safe skills software thoughts work
    • Replies: 9
    • Forum: Plumbing Jobs | The Job-board
  2. U

    Worcester Bosch in Oxford

    For anyone interested in Worcester Bosch products or renewables, Worcester Bosch are holding an energy event at the Kassam football stadium on the 12th of May 7pm till 10pm. all you have to do is register on 01905 753104, also by calling this number they may well be able to tell you if there...
  3. O

    Oftec?

    Hi Folks Do any of you experienced plumbers believe there is any room/any business for someone who is not a plumber but completes OFTEC training to run a business servicing, repairing and commissioning oil fired boilers and not doing anything else apart from the oill/boilers? Any helpfull...
    • OFTEC
    • Thread
    • boiler boilers cleaning control costs courses energy gas instalation law liability merchant merchants oftec oil paperwork plumbers plumbing pricing qualification redundant tank trade training work
    • Replies: 16
    • Forum: Plumbing Jobs | The Job-board
  4. R

    Interview help!!!!!!!!!!!!!!!!!!!!!!!

    :mad:Hello formers, INTERVIEW HELP!! Help!! I have an interview and assessment booked with BG. as a service and repair contractor although my experience is patchy. Can anyone tell me what the assessment and interview is like? I have already booked some lessons in using multimeters and some...
  5. P

    Work for British Gas offer

    Had a call from British Gas offering me a days work Their blokes are going on strike for the day next month apparently and are looking for cover Offered to pay £250 to do induction course and £250 for the day Obviously do not know what I think of British gas Maybe you could get extra bonus's...
    • Puddle
    • Thread
    • boiler boilers british british gas convert energy flush flushing gas gas safe google hose install jobs merchants offer power problem safe van washer water work
    • Replies: 30
    • Forum: Plumbing Jobs | The Job-board
  6. R

    Rainwater Harvesting

    Hi all I would like to see a section dedicated to rainwater harvesting. Apart from the fact that I'm thinking about setting up some sort of system in my house and would like to hear peoples tips/advice/experiences,I think its getting more relevant for plumbers now Cheers rocky:)
    • rocky
    • Thread
    • air bar cistern energy fitting free high noise pipe plumbers pressure public pump rainwater remove renewable renewable energy safe secondary system tank tips valve water water meter work
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  7. S

    boiler scrappage scheme

    Hi I understand how scrappage scheme works, but is there any kind of quick way the installer can claim the money, as i have quite a few customers who have asked me if i could do all the paperwork and send off for the voucher, but i emailed the energy dept and still no answer.:confused:
  8. N

    when is gas going to run out?

    was having a chat other day , when is gas going to run out? i was told about 15-20 years gas is left but is it true ?
    • NO1PLUMBER
    • Thread
    • cheap energy gas going green head oil plumber pressurised tax water
    • Replies: 10
    • Forum: Plumbing Jobs | The Job-board
  9. K

    Need help about becoming GasSafe

    Hi, im interested in becoming gassafe regisetered. i have contacted them several times trying to find out the best way of gaining the qualifications needed to sign up but they are not very helpful in that department. Is there anyone out there that can help me?! I am very eager to gain these...
  10. C

    t4t skills scenario 3

    Wondering if any one could help,as you proberbly well know the scenarios to say the least are driving me mental,can any one tell me is the sytem check both hot and cold and where do you start your soundness check.PLEASE HELP:confused:
    • cass
    • Thread
    • cold cold water energy heating hot loft pipe pressure remove renewable renewable energy scenario seal sink skills system tap valve vent water
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  11. M

    Smart metering opportunities

    With a government commitment to install smart gas and electrical meters into every British home before 2020 I believe there will be good work opportunities for Gas Safe registered installers. For someone with CCN1 and MET1 (or4) it is relatively easy to gain the necessary electrical...
    • midge
    • Thread
    • control costs difficult electric energy gas gas safe ideal install installers job news power problem purge qualification return safe service smart stack supply technology training work year
    • Replies: 12
    • Forum: Plumbing Jobs | The Job-board
  12. R

    Hope you dont mind renewables!

    Hi all, how did I not know that this forum existed? My fault. I've been into renewables for about 7 years now, so in this country thats quite a long time. Learned a lot from the germans tho. (dont mention the war) Air source heat pumps, and thermal stores are my idea of fun (lol)...
    • Renewable M
    • Thread
    • building energy fitting installers pumps renewables thermal work
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  13. F

    Renewable energy

    Does anyone know of any companies offering distance learning or part time (weekends pref) to gain the relevant qualification to qualify for the microgeneration certification in renewable energy. Looking for solar, rainwater harvesting, ground/air source, poss photovoltaic. Any help would be...
    • Flanners
    • Thread
    • air bpec career corgi courses energy installers job new career skills olci plumber plumbing plumbing courses qualification rainwater renewable renewable energy skills solar trade training wall water work
    • Replies: 8
    • Forum: Plumbing Jobs | The Job-board
  14. K

    Renewable Clean Energy

    The growing demand for more energy has forced the world to seek other sources of energy. Among the main contenders for this are the renewable sources of energy. The renewable energy sources are known for their environment friendly attributes that contradicts the harmful nature of gases emitted...
  15. P

    Solar energy

    This link although Australian, will if you put in the right post code /town location in the question bar, will give you the closest met station to the place you have put in, and will give you average monthly temperature over the year, wind speed, and solar irradiation I have just tested it...
  16. G

    The big question !!!

    ive just passed my gas service engineers course and got and energy certifacate aswell..im lookin at gettin a job after xmas..i earn 28k a year now ,can any one tell me if ill earn more when i get a new job in the trade? im lookin at workin for a company and servicing ,replaceing combis,and...
  17. G

    glow worm condensing boiler energy saver 40

    i have a condensing boiler, glow worm energy saver 40. The demand light will not come on unless i turn the water temp to 0. I bought a pcb today for 77 pounds, the one that contains the stat neon light etc. This made no difference. I have tried a replacement fuse on the pcb which also made no...
    • gaz2527
    • Thread
    • boiler condensing condensing boiler energy fix glow glow worm glow-worm oil problem replacement water worm
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  18. N

    Wanted-friendly gas engineer

    Hi guys am on my acs course hoping for min of ccn1/cen1/cpa1/ckr1 with defined scope part p and energy effeciency now i need help building a portfolio and will work like a dog for free during and after my course i am still employed so would be looking at working 2-3 days a week will do evenings...
  19. S

    cheapest energy provider?

    who do you think is the cheapest energy provider?
  20. S

    Gran 86 has to pay £142 month for energy... BOILER?

    I think my grans boiler may be faulty.... she and her 86 year old husband live in a very tiny 2 bed upper flat - during the summer her Npower dual-fuel bill for six months for GAS was £19 a month (elec was £22) GREAT - £243 for Apr-Oct.... ...now my gran&grandad are TIGHT and they would rather...
    • snadge
    • Thread
    • boiler central central heating system cheap combi corgi energy gas high hot hot water month oil power pressure problem radiator replacement switch tank water water pressure winter
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
Creating content since 2001. Untold Media.

Newest Plumbing Threads

UK Tiling News
Tiling Advice
Tile Blog
Tiling Advice
Tile Forum
Back
Top
AdBlock Detected

We get it, advertisements are annoying!

Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.

I've Disabled AdBlock