This topic contains a solution. Click here to go to the answer

Author Question: A real (non-Carnot) thermodynamic engine, operating between thermal energy reservoirs at ... (Read 297 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
A real (non-Carnot) thermodynamic engine, operating between thermal energy reservoirs at temperatures of 450 K and 270 K, performs 3.3 kJ of net work, and rejects 8.2 kJ of energy in a single cycle.
 
  (a) What is the thermal efficiency of this thermodynamic engine? (b) What is the maximum efficiency it could possibly have?

Question 2

A 360-nm thick oil film floats on the surface of a pool of water. The indices of refraction of the oil and the water are 1.50 and 1.33, respectively.
 
  When the surface of the oil is illuminated from above at normal incidence with white light, what is the wavelength of light between 400 nm to 800 nm wavelength that is most weakly reflected?
  A) 520 nm
  B) 540 nm
  C) 560 nm
  D) 580 nm
  E) 600 nm



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vish98

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

(a) 0.29 (b) 0.40

Answer to Question 2

B




magmichele12

  • Member
  • Posts: 559
Reply 2 on: Jul 29, 2018
:D TYSM


cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

For a complete list of videos, visit our video library