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

Author Question: Two identical blocks of iron are placed in contact, one at 10C and the other at 20C. If the cooler ... (Read 199 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
Two identical blocks of iron are placed in contact, one at 10C and the other at 20C. If the cooler block cools to 5C and the warmer block warms to 25C, this would violate the
 
  A) first law of thermodynamics.
  B) second law of thermodynamics.
  C) third law of thermodynamics.
  D) none of the above

Question 2

The main purpose of the condenser in the steam cycle of a steam turbine is to
 
  A) cool the steam.
  B) condense the steam.
  C) lower pressure on the back side of the turbine blades.
  D) maintain high efficiency.
  E) change mechanical energy to electricity.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C





 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

For a complete list of videos, visit our video library