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 34 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
Gracias!

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Glass Frog Glass Frog
Anatomy Of The Eye - The eye can be compared to a camera. Anatomy Of The Eye - The eye can be compared to a camera.
I. M. Pei, Glass Pyramid, Cour Napoléon, Louvre, Paris. I. M. Pei, Glass Pyramid, Cour Napoléon, Louvre, Paris.
Although crassly put by the cartoonist, behind the glass ceiling lies this background assumption. Although crassly put by the cartoonist, behind the glass ceiling lies this background assumption.
Advantages and Disadvantages of Convection super-heater Advantages and Disadvantages of Convection super-heater
Try an afternoon glass of cold grape juice for a refreshing break Try an afternoon glass of cold grape juice for a refreshing break
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library