This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If combustion air openings pass through vertical ducts with 4,000 BTU input, how large should the ... (Read 22 times)

MGLQZ

  • Hero Member
  • *****
  • Posts: 579
on: Jul 24, 2018
If combustion air openings pass through vertical ducts with 4,000 BTU input, how large should the openings measure?
 
  A) 3 sq in B) 2 sq in C) 4 sq in D) 1 sq in

Question 2

A ________ duct system uses several large ducts leaving the main plenum that branch off into smaller ducts as they get closer to their destination.
 
  A) closed loop system B) central plenum system
  C) reducing radial duct system D) perimeter loop system


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

TheNamesImani

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

C


MGLQZ

  • Member
  • Posts: 579
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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).

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Large male size and mating success. Large male size and mating success.
(a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest (a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest
Methane combustion as an energy–yielding redox reaction. Methane combustion as an energy–yielding redox reaction.
The energy input and output of glycolysis. The energy input and output of glycolysis.
Color enhanced X ray of large malignant tumor in the right lung. Color enhanced X ray of large malignant tumor in the right lung.
Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
Video: Embryonic development - Week 4

For a complete list of videos, visit our video library