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

Author Question: What are the advantages and disadvantages of polycarbonate panels compared to glass? What will be ... (Read 69 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
on: Jul 22, 2018
What are the advantages and disadvantages of polycarbonate panels compared to glass?
 
  What will be an ideal response?

Question 2

What should the source of air be for inflating the cavity between two sheets of polyethylene on a greenhouse and why?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 22, 2018
Answer to Question 1

The advantage is lower heat transmission while the disadvantages are
shorter life expectancy and lower light transmission.

Answer to Question 2

The air should come from the outside to reduce the possibility of
condensation between the two polyethylene layers.


asmith134

  • Member
  • Posts: 576
Reply 2 on: Jul 22, 2018
Thanks for the timely response, appreciate it

tanna.moeller

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

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?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Species-rich floras of chalk grassland compared to species-poor floras of acid soils. Species-rich floras of chalk grassland compared to species-poor floras of acid soils.
A cast of LB1 (left) was compared to several microcephalic skulls, amongst which is that of the micr A cast of LB1 (left) was compared to several microcephalic skulls, amongst which is that of the micr
Primates in the New World tend to be small-bodied compared to those elsewhere. Primates in the New World tend to be small-bodied compared to those elsewhere.
This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ... Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ...
Routes of Drug Administration: Advantages and Disadvantages Routes of Drug Administration: Advantages and Disadvantages
Video: Cellular defenses (natural killer cells, phagocyte types & process of phagocytosis)

For a complete list of videos, visit our video library