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

Author Question: The advantage of the backward-curved centrifugal fan over the forward-curved centrifugal fan is ... (Read 141 times)

Cooldude101

  • Hero Member
  • *****
  • Posts: 557
The advantage of the backward-curved centrifugal fan over the forward-curved centrifugal fan is that:
 
  A) Backward-curved fans operate at lower RPM.
  B) Backward-curved centrifugal fans are well suited for small airflow quantities.
  C) Backward-curved fans are normally quieter in operation.
  D) Backward-curved fans are non-overloading.

Question 2

What happens if the steam trap at the outlet of a heating coil is stuck in the closed position?
 
  A) Steam flow through the coil will stop and the air temperature will be too low.
  B) Steam flow through the coil will be excessive and air temperatures will be too high.
  C) The steam coil will flood with condensate water.
  D) The boiler will stop producing steam.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Melissahxx

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

D

Answer to Question 2

A




Cooldude101

  • Member
  • Posts: 557
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)


rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Gracias!

 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library