Question

Steam locomotives have an efficiency of 17.0% and operate with a hot steam temperature of 425o C .

(a) What would the cold reservoir temperature be if this were a Carnot engine?

(b) What would the maximum efficiency of this steam engine be if its cold reservoir temperature were 150o C ?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Related Physics Q&A

Find answers to questions asked by students like you.

Q: How do the charges on opposing plates of a capacitor compare?

A: The charges on each opposing plates of a capacitor are equal in magnitude.

Q: Why is the magnitude of the electric field zero midway between identical point charges?

A: It is because two equal and opposite electrical forces are acting towards each other. As both the po...

Q: Why do we say a substance in a liquid phase is more disordered than the same substance in the solid ...

A: The molecules of a solid body are less free to move around due to strong intermolecular force and al...

Q: Why are the magnetic fields of superconducting magnets often stronger than those of conventional mag...

A: In Superconductor, there is no electrical resistance to the flow of electrons. Therefore, there are ...

Q: I need help finding what the potential difference is from A to u. A is in the upper left Conner of t...

A: For finding the voltage between A and u, we will draw the circuit as shown below, The current flowi...

Q: Cor A 1.6 kg object moving at 1.5 m/s collides elastically with a stationary 1.6 kg object, similar ...

A: Click to see the answer

Q: The pulley system shown in the figure (Figure 1) is used to lift a 52-kg crate. Note that one chain ...

A:    

Q: Four point charges are located at the corners of a rectangle as shown in the figure. Find the net fo...

A: Click to see the answer

Q: A 4.00-kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 10.0-kg c...

A: Mass of the stone,

Q: Two 100-N weights are attached to a spring scale as shown. Does the scale read 0, 100, or 200 N, or ...

A: First, we will draw the free body diagram of the system. Here, T is the tension force due to rope a...

Q: Johnny Jumper’s favorite trick is to step out of his 16th-story window and fall 50.0 m into a pool. ...

A: Click to see the answer

Q: A steel wheel is mounted on a frictionless bearing as shown in the left figure above. A cross-sectio...

A: a) The total moment of inertia will equal to the sum of the moment of inertia of all the parts of th...

Q: A violin string playing the note 'A' oscillates at 440Hz. What is the period of the string's oscilla...

A: Click to see the answer

Q: A 10 ohm and a 20 ohm resistor are connected in parallel to a current source. What fraction of the c...

A: Click to see the answer

Q: If a ball is thrown straight up into the air, what is its acceleration as it moves upward? magnitude...

A: Click to see the answer

Q: A simple and practical understanding of conservation of momentum problems is given by the following:...

A: Given Initial angular velocity ωo = 1 RPM

Q: If you exert a horizontal force of 200 N to slide a crate across a factory floor at constant velocit...

A: The crate is moving with a constant velocity. The acceleration of the crate is thus zero. The net ex...

Q: What is the energy of a photon that, when absorbed by a hydrogen atom, could cause an electronic tra...

A: Click to see the answer

Q: Why does a bottle of tire pump feel hot when you pump air in the tire, but when air is released, the...

A: When air is pumped into the tire, air enters a small cross section, which compresses it. Hence, more...

Q: What change occur in the line current when more devices are introduced in a parallel circuit?

A: When more devices are introduced in parallel circuit, the effective resistance of the circuit will d...

Q: A racecar driver steps on the gas, and his racecar travels 20 meters in 2 seconds starting from rest...

A: Click to see the answer

Q: Part A and B Please and thank you In the circuit shown the switch S can be open or closed. Case 1: S...

A: Switch is open means that no current flows through that part of the circuit. Let

Q: One of the most efficient engines ever built is a coal-fired steam turbine in the Ohio valley, drivi...

A: Click to see the answer

Q: A balloon floats motionless in the air. A balloonist begins climbing the supporting cable. In which ...

A: Initially the balloon is floating motionless in air, therefore net force on the balloon should be ze...

Q: 1 kilogram of boiling water is poured into an empty thermos whose mass is 1 kilogram and whose tempe...

A: The temperature of boiling water is 100o Celsius. The temperature of empty thermos is 25o Celsius. N...

Q: For the same force, why does a long cannon impart more speed to a cannonball than a small cannon?

A: Impulse is the measure of the change in the motion of an object caused due to the force. According t...

Q: A ball of mass m is found to have a weight Wx on Planet X. Which of the following is a correct expre...

A: The weight of an object in a planet is the gravitational force exerted by the planet on it. It is th...

Q: You have designed and constructed a solenoid to produce a magnetic field equal in magnitude to that ...

A: Click to see the answer

Q: A photon is emitted when a hydrogen atom undergoes a transition from the n = 5 state to the n = 3 st...

A: Click to see the answer

Q: A block of mass m is placed in a smooth-bored spring gun at the bottom of an inclined plane, such th...

A:    

Q: If you squeeze an air filled balloon and no heat escapes, what happens to the internal energy of gas...

A: Click to see the answer

Q: What are three principal classes of musical instruments?

A:   Three principal classes of musical instruments are:

Q: A uniform cross-sectional area U-tube is open to the atmosphere, is partially filled with mercury (d...

A: Click to see the answer

Q: If you rub an inflated balloon against your hair and place it against a door, by what mechanism does...

A: When a neutral thing is rubbed along with another neutral than due to gain some energy the surface a...

Q: How does a high pitch musical note compare with a low one in terms of frequency?

A: Pitch is a perceptual property of sounds that allows their ordering on a frequency related scale. Pi...

Q: In a tug-of-war between Sam and Maddy, each pulls on the rope with a force of 250 N. What is the ten...

A: There will be no movement in the rope when the two athletes pull the rope with same force in opposit...

Q: A metal radiator is made from 260 kg of iron. The specific heat of iron is 0.449 J/gºC. How much hea...

A: Click to see the answer

Q: A block of mass M is traveling on a horizontal frictionless surface at a velocity V, before collidin...

A: Write the expression from conservation of energy,

Q: What is the DeBroglie wavelength of a 1,200 kilogram corvette traveling at a rate of 25 meters per s...

A: Click to see the answer

Q: Optics - How deep is the goldfish? A tank whose bottom is a mirror is filled with water to a depth o...

A: Click to see the answer

Q: Here the stone is sliding down a friction-free incline. (a) Identify the forces that act on it, and ...

A: Click to see the answer

Q: Your friend's 11.1 g tassel hangs on a string from his rear-view mirror. When he accelerates from a ...

A: When the he accelerates from the stoplight, the tassel deflects backward. When it is at some angle f...