Question: A Carnot engine takes in heat from a reservoir at 350 oC and has an efficiency of 35%. The exhaust temperature is not changed and

A Carnot engine takes in heat from a reservoir at 350 oC and has an efficiency of 35%. The exhaust temperature is not changed and the efficiency is increased to 40%,
(a) The temperature of the hot reservoir is (1) lower than (2) equal to, (3) higher than 350 oC. Explain.
(b) What is the new Celsius temperature of the hot reservoir?

Step by Step Solution

★★★★★

3.30 Rating (179 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a Decreasing the ratio T c T h increases the efficiency Increasing ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

530-P-T-F-L (734).docx

120 KBs Word File

Students Have Also Explored These Related Thermodynamics Questions!

Reconsider the overall distance data for golf balls in Exercise 10-29. Is there evidence to support the claim that the standard deviation of overall distance is the same for both brands of balls (use...

A Carnot engine takes in heat at a temperature of 650 K and releases heat to a reservoir at a temperature of 350 K. What is its efficiency?

A certain Carnot engine takes in the heat Qh and exhausts the heat Qc = 2Qh/3, as indicated in FIGURE 18-32. (a) What is the efficiency of this engine? (b) Using the Kelvin temperature scale, find...

A Carnot engine takes 2.7 x 104J of heat per cycle from a high-temperature reservoir at 320 oC and exhausts some of it to a low-temperature reservoir at 120 oC. How much net work is done by the...

51. IE A Carnot engine takes in heat from a reservoir at 350 C and has an efficiency of 35%. The exhaust temperature has not changed, and the efficiency is increased to 40%. (a) The temperature of...

HI, please give a very clear final answer that follows the description on how the final answer should look for each question Question 1 (1 point) A Carnot engine takes in heat at a temperature of 650...

1)A Carnot engine takes 3000 J from a reservoir at 600 K, does some work, and discards some heat to a reservoir at 300 K. How much work does it do? A 1500 J B 500 J C 2500 J D 300 J 2)A 700 g...

Identify stakeholders in the budget development process and explain how the concept of "all of us are smarter than any one of us" can serve to ensure better budgets for better schools and promote...

In one cycle a Carnot engine takes in 8 . 5 0 1 0 4 J of heat and does 1 . 8 8 1 0 4 J of work. The temperature of the engine's cold reservoir is 2 5 . 0 C . What is the efficiency of this engine?...

1. A Carnot engine takes in 400 kJ of heat from a very hot source and rejects 150 kJ of heat to a cold temperature reservoir. Determine (a) the work (W) and (b) the efficiency of the motor.2. A...

Research the answers well Energy transfers by heat through the exterior walls and roof of a house at a rate of5.00103J/s=5.00kW5.00103J/s=5.00kWwhen the interior temperature is22.0C22.0Cand the...

Develop a polymorphic banking app using the Account hierarchy. Create an array of Account references to Savings-Account and Checking Account objects. For each Account in the array, allow the user to...

What is the equation of the line with slope -7 which goes through the point (2,5) ? Give your answer in slope -intercept form y=mx+b.

Question number 1 3 . Find the equation of the tangent line to the curve at the point ( 4 , - 2 ) given z 2 + x y + 2 y 2 = 1 6 .

Munson Co. uses a job order cost system. The following data summarize the operations related to production for July: A. Materials purchased on account, $225,750. B. Materials requisitioned, $217,600,...

To help counselors identify teenagers who may become problem drinkers, a psychologist created a written test and individuals with scores above 75 on this test are flagged as potential problem...

It is October 16, 2014, and you have just taken over the accounting work of China Moon Products, whose annual accounting period ends October 31. The company's previous accountant journalized its...

On the basis of past data, the owner of an automobile dealership finds that, on average, 8.5 cars are sold per day on Saturdays and Sundays during the months of January and February, with the sales...

Howrley-David, Inc., manufactures two models of motorcycles: the Fatboy and the Screamer. Both models are assembled in the same plant and require the same assembling operations. The difference...

What is the role of the statement of changes in equity and how does it complement the disclosures made within the statement of profit or loss and other comprehensive income? LO 16.4

The H line in hydrogen has a wavelength of 656.20 nm. This line differs in wavelength from the corresponding spectral line in deuterium (the heavy stable isotope of hydrogen) by 0.18 nm. (a)...

A 15.0-cm-long grating has 6 000 slits per centimeter. Can two lines of wavelengths 600.000 nm and 600.003 nm be separated with this grating? Explain.

Light of wavelength 550 nm is used to calibrate a Michelson interferometer. With the use of a micrometer screw, the platform on which one mirror is mounted is moved 0.180 mm. How many fringe shifts...

Assignment: Fraud Prevention, Deterrence, and Detection at Diamond Foods Forensic accountants are often called upon to examine a companys fraud and internal controls and make improvements to the...

Please answer a,b,c & d. Thank you!! Data table (Click on the following icon in order to copy its contents into a spreadsheet.) 0 1 2 3 433.0 Year Earnings and FCF Forecast ($ million) 1 Sales 2...

What is the probability = Question 7 of 10 (1 point) | Question Attempt: 1 of 1 = 1 = 2 = 3 = 4 5 6 8 9 10 A machine that manufactures automobile parts produces defective parts 11% of the time. If 7...