« previous next »

Author Question: Air cleaners that use high voltage DC current to ionize particles in the air and attract them to ... (Read 38 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
on: Jul 26, 2018
Air cleaners that use high voltage DC current to ionize particles in the air and attract them to oppositely charged plates are a type of
 
  A) Electro-mechanical particle arrested B) electrostatic air cleaner
  C) electronic air cleaner D) Ultraviolet air sterilizer

Question 2

As a rule of thumb, _____ screws are required per 1,000 square feet of wallboard to install single-layer
  drywall on 16 OC studs.
 
  a. 800
  b. 1,000
  c. 1,200
  d. 1,500


cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 26, 2018
Answer to Question 1

C

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Spectrum of a High-Redshift Quasar Spectrum of a High-Redshift Quasar
Four Brain Structures with High Myelination in Early Childhood Four Brain Structures with High Myelination in Early Childhood
Deconvolution fluorescence microscopy yields high-resolution optical sections th Deconvolution fluorescence microscopy yields high-resolution optical sections th
When the voltage drop reaches approximately 1.20 volts, the PCM turns on a transistor. The ... When the voltage drop reaches approximately 1.20 volts, the PCM turns on a transistor. The ...
The diminishing effects on body weight of a low-calorie diet and a high-calorie diet. The diminishing effects on body weight of a low-calorie diet and a high-calorie diet.
Find the voltage, current and power for each resistor in the circuit below Find the voltage, current and power for each resistor in the circuit below
Video: Allergic Rhinitis

For a complete list of videos, visit our video library