« previous next »

Author Question: What is the maximum efficiency of a heat engine operating between 293 Kelvins and 273 Kelvins, the ... (Read 60 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
on: Jul 28, 2018
What is the maximum efficiency of a heat engine operating between 293 Kelvins and 273 Kelvins, the temperatures at the surface and several hundred meters below the surface, respectively, of the ocean?

Question 2

On a winter day the temperature is 5 degrees Celsius and the humidity is 0.003 kilograms per cubic meter. (a) What is the relative humidity? (b) The air is brought into a building and heated to 20 degrees Celsius without changing the humidity. What is the relative humidity inside the building?


matt95

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 28, 2018
Answer to Question 1

6.8

Answer to Question 2

(a) 44.1, (b) 17.3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Co-current flow in a concentric tube heat exchanger Co-current flow in a concentric tube heat exchanger
A DOHC engine uses a camshaft for the intake valve and a separate camshaft for the exhaust valves in ... A DOHC engine uses a camshaft for the intake valve and a separate camshaft for the exhaust valves in ...
A water spray bottle is an excellent diagnostic tool to help find an intermittent engine misfire ... A water spray bottle is an excellent diagnostic tool to help find an intermittent engine misfire ...
If the vacuum hose is removed from the fuel-pressure regulator when the engine is running, the ... If the vacuum hose is removed from the fuel-pressure regulator when the engine is running, the ...
A heat exchange vest that uses ice packs for cooling A heat exchange vest that uses ice packs for cooling
How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library