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

Author Question: How often do UV lamps need to be replaced? What will be an ideal ... (Read 19 times)

OSWALD

  • Hero Member
  • *****
  • Posts: 580
How often do UV lamps need to be replaced?
 
  What will be an ideal response?

Question 2

How can a high pressure drop across an air filter adversely affect system performance?
 
  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

6ana001

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

Every one to three years

Answer to Question 2

Increased pressure drop across the filter increases the total static that the fan must work against, decreasing the amount of air moved




OSWALD

  • Member
  • Posts: 580
Reply 2 on: Jul 26, 2018
:D TYSM


cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

For a complete list of videos, visit our video library