8. a wood chip fueled rankine cycle 54-mw electric power generation plant uses chipped pine bark beatle deadfall as fuel. the overall efficiency of the power plant is 27% and the capacity factor of 80%. the as-received wood fuel is 45% carbon, has a higher heating value of 16.0 mj/kg, and the wood is not harvested sustainably. carbon emissions are taxed at the rate of $25/mgco2e. the life of the system is 25 years and the interest rate is 5.5%. assume an operations and maintenance cost of $0.025/kwh. the initial cost of the system is $4000/kw. the cost of wood chips is $6 per mbtu. a. what is the heat rate of the power plant (btu/kwh)? b. what is the cost of fuel per kwh of electricity generated ($/kwh)? c. how much electrical energy is generated annually by the power plant (mwh/y)?
C. Burning coal tends to harm the environment more than using solar panels.
Explanation:
When coal is burned, it reacts with the oxygen in the air. This reaction converts the stored potential energy, which turns into thermal energy, which is released as heat. But it also produces methane and carbon dioxide which is released into the air.
The answer is nuclear fission, like the other person said
Explanation:
The process of generation of electrical energy from running water can be summarized as follows:
A dam is used to store running water. The dam acts as a reservoir for running water. Then the water is rushed over a turbine. The turbine converts the kinetic energy with which the water is moving into mechanical energy. When the turbine turns, then the generator attached to it also spins which convert the mechanical energy into electrical energy.
(D)
A generator converts kinetic energy to electrical energy, and a motor converts electrical energy to kinetic energy.
Explanation:
Just remember a generator makes electricity, and motors move things therefore creates kinetic energy.
Correct
Correct The radioactive isotopes used as fuel provide the heat energy to create steam from water through a nuclear fission chain reaction. The control rods are used to regulate the rate of this fission reaction. The generator converts mechanical energy from a steam-powered turbine into electricity.
Explanation: VERIFIED
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Explanation:
Option (A)
Explanation:
In the process of producing electric energy, always a turbine rotates.
The rotation of turbine is due to the falling water in case of hydroelectric power station, due to the heat energy in thermal power station.
As the turbine rotates, the energy of one form is converted into mechanical energy of turbine. Now the generator converts the mechanical energy into electrical energy. It is done by the electromagnetic induction.
When a magnetic flux linked with a coil changes, the induced emf is developed in the coil, this phenomenon is called electromagnetic induction.
A. A nucleus splitting to form two or more smaller nuclei
Explanation:
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A generator converts mechanical energy into electrical energy and a motor converts electrical energy into mechanical energy.
Explanation:
The principle behind the working of generator is that when a conducting coil is rotated between magnetic field, an emf is induced in the coil and electricity is generated. Thus, mechanical energy is converted to electrical energy and Fleming's right hand rule is followed.
The principle behind working of motor is that when a current carrying coil is placed between the two magnets, the magnetic force rotates the coil. Here, the electrical energy is converted to mechanical energy. Fleming's left hand rule is followed.
The main difference between the two is that the Motor is an electric device which converts electrical energy into mechanical energy. The generator is vice versa of that motor. It converts mechanical energy into electrical energy.
So it is A.
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