Ask questions and get helpful responses.
Ask a New Question
  1. Questions

Science

Which of the following is not part of the process of producing electricity from coal?

1. Coal is lifted onto a platform to give it potential energy before burning.

2. Coal must be burned to release heat.

3. Heating water produces steam.

4. Steam runs a turbine that generates electricity.

i think is 2 or 3

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
Alex

  1. Both 2 and 3 are necessary to produce electricity from coal. If you're guessing, and I assume you are, you have a 50% chance now of getting it right.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    DrBob222

  2. not true, it is the first one
    but sorry

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    brianaly

Respond to this Question

First Name

Your Response

Similar Questions

  1. Social studies

    Drag each fossil fuel to indicate which human activity it directly impacts. Answers may be used more than once.(12 points) Effectively storing foods through the use of plastics: Efficiently transporting goods: Supplying energy for

  2. science

    1) A null Hypothesis assumes that a process is producing no more than a maximum allowable rate of defective items. The Type II error is to conclude that the process? 2) If 95% confidence limits for the mean Mu turn out to be

  3. physics

    An open barge has the dimensions l=22 m, w=40 m, and h=12m. If the barge is made out of 4.0 cm thick steel plate on each of its four sides and its bottom, what mass of coal can the barge carry in fresh water without sinking? Is

  4. Science

    1. An electric space heater draws 15.0 A from a 120 V source. It is operated, on average, for 5.0h (hours) each day. a) How much power does the heater use and b) At $.10 per kWh, what does it cost to operate the heater for 30

  1. physics

    A mine car, mass= 440 kg rolls at a speed of 0.50 m/s on a horizontal track. A 150-kg chunk of coal has a speed of 0.80 m/s when it leaves the chute. The chunk of coal falls into the car at a 25 degree angle. Determine the

  2. math

    Apharmacist incorporates 6g of coal tar into 120g of a5% coal tar ointment calculate the percetage (w/w) of coal tar in finshed product

  3. Statistics

    1) A null Hypothesis assumes that a process is producing no more than a maximum allowable rate of defective items. The Type II error is to conclude that the process? 2) If 95% confidence limits for the mean Mu turn out to be

  4. physics

    A mine car, whose mass is 590 kg, rolls at a speed of 0.5 m/s on a horizontal track, as the drawing shows. A 150 kg chunk of coal has a speed of 0.95 m/s when it leaves the chute. Determine the velocity of the car/coal system

  1. Physics

    A mine car (mass 380 kg) rolls at a speed of 0.5 m/s on a horizontal track, as the drawing shows. A 150 kg chunk of coal has a speed of 0.80 m/s when it leaves the chute. Determine the velocity of the car/coal system after the

  2. state

    Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 55 tons of coal into each car. The actual weights of coal loaded into each car

  3. Science

    Which of the following describes the use of a renewable energy source? A. using natural gas to heat a house B. using a windmill to grind grain C. using petroleum to run a car D. using coal to generate electricity I think the

  4. Science

    Explain why coal is a finite resource. (1 point) A. Coal is a finite resource because it will never replenish. Therefore, there is a limited supply on Earth. B. Coal is a finite resource because it will slowly replenish and can be

Still need help? You can ask a new question.