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 178 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?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

For a complete list of videos, visit our video library