Rate must heat be supplied to power plant by burning coal

Assignment Help Physics
Reference no: EM13543964

At a coal-burning power plant a steam turbine is operated with a power output of 465 MW. The thermal efficiency of the power plant is 31.6%. (a) At what rate is heat discarded to the environment by this power plant? (b) At what rate must heat be supplied to the power plant by burning coal?

Reference no: EM13543964

Questions Cloud

Moles of a monatomic ideal gas along processes : Consider the expansion of 60.0 moles of a monatomic ideal gas along processes 1 and 2 in the figure below. In process 1 the gas is heated at constant volume from an initial pressure of Pi = 95 kPa to a final pressure of Pf = 190 kPa. In process 2 ..
Significant differences between the groups : Were there significant differences between the groups. Give the relevant stastical data to support your answer and what is the confidence interval associated with your answer to item # 1?
The density of a gas t the temperature and p its pressure : If M is the molar mass, R the gas constant, T the temperature, and P its pressure, which of the following expressions represents the density of a gas
Determine what force is applied to the lid : An 18.7 cm screwdriver is used to pry open a can of paint. If the axis of rotation is 3.07 cm from the end of the screwdriver blade, what force is applied to the lid
Rate must heat be supplied to power plant by burning coal : At a coal-burning power plant a steam turbine is operated with a power output of 465 MW. The thermal efficiency of the power plant is 31.6%. (a) At what rate is heat discarded to the environment by this power plant? (b) At what rate must heat be supp..
The genomes of multiple homo neanderthalensis : After the genomes of multiple Homo neanderthalensis individuals were sequenced,
Find the force on each side of the loop : A single-turn square loop of wire, 2.00 cm on each edge, carries a clockwise current of 0.170 A. Find the force on each side of the loop
Disregard the friction between the skates and the ice : A 67.0-kg person throws a 0.0500-kg snowball forward with a ground speed of 25.0 m/s. A second person, with a mass of 59.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.10 m/s, and..
Find current is required in the windings for that to occur : A long solenoid that has 940 turns uniformly distributed over a length of 0.390 m produces a magnetic field of magnitude 1.00 10-4 T at its center. What current is required in the windings for that to occur

Reviews

Write a Review

Physics Questions & Answers

  Obtain the specific heat of the unknown

In order to determine a newly developed material's specific heat conduct, material scientists conduct an experiment. what is the specific heat of the unknown

  Determine the bullets time of flight

A rifle is aimed horizontally at a target 1,699.92 m away. The bullet hits the target 2.18 inch below the aim point. determine the bullets time of flight

  Distant planet-golf is just as popular as it is on earth

On a distant planet, golf is just as popular as it is on earth. A golfer tees off and drives the ball 2.60 times as far as he would have on earth, given the same initial velocities on both planets. The ball is launched at a speed of 43.0 m/s at an an..

  What should be the radius of curvature of the other surface

A prescription for a corrective lens calls for +1.50D. The lensmaker grinds the lens from a "blank" with n = 1.56, What should be the radius of curvature of the other surface

  Question1a hotel elevator ascends 160 with a utmost speed

question1a hotel elevator ascends 160 with a utmost speed of 4.9. its acceleration and deceleration both have a

  Find the final temperature of the mixture

A 66-g ice cube at 0°C is placed in 865 g of water at 26°C. What is the final temperature of the mixture

  Find the tension in the string required to start to tip

A string provides a horizontal force which acts on a 500 N rectangular block at top right-hand corner, find the tension in the string required to start to tip the block over

  How far does the truck skid before coming to a stop

A truck is traveling at 11.4 m/s down a hill when the brakes on all four wheels lock. How far does the truck skid before coming to a stop

  What is its change in momentum while it is in the air

An object of mass 3.3 kg is projected into the air at a 55° angle. It hits the ground 3.4 s later. What is its change in momentum while it is in the air

  How long does it take for the particles to hit the plate

Suppose that protons are fired towards the large flat side of a charged conducting plate. How long does it take for the particles to hit the plate

  Find out the angle of its projection

A metal bar, pivoted at one end, oscillates freely in the absence of a magnetic field. But, when it oscillates between the poles of a magnet, its oscillations are quickly damped. Why? (Such magnetic damping is used in a number of practical devices..

  Find the velocity of the ball when it left the bat

A pitched ball is hit by a batter at a 45°angle and just clears the outfield fence, 98 m away. find the velocity of the ball when it left the bat

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd