![subject](/tpl/images/cats/User.png)
Engineering, 22.01.2021 04:00 katyym80
The air flow for a 90 percent furnace is the following-
a. From the main blower, across the burners, thru the heat exchanger, then the secondary heat exchanger
b. From the main blower, over the secondary heat exchange, thru the primary heat exchanger, over the burners
c. From the main blower over the primary heat exchanger, over the burners
d. From the main blower, over the burners, thru the primary heat exchanger
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Engineering
![image](/tpl/images/cats/User.png)
Engineering, 03.07.2019 15:10, brooklyn674
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
![image](/tpl/images/cats/User.png)
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10, samanthabutryn
Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan
Answers: 3
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
You know the right answer?
The air flow for a 90 percent furnace is the following-
a. From the main blower, across the burners...
Questions in other subjects:
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.07.2019 20:30
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/informatica.png)
![Konu](/tpl/images/cats/mir.png)
World Languages, 15.07.2019 20:30
![Konu](/tpl/images/cats/mir.png)
World Languages, 15.07.2019 20:30
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.07.2019 20:30
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/biologiya.png)