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

Author Question: What is the common operating voltage range on the cells of electronic air cleaners? A) 6,000 to ... (Read 71 times)

tth

  • Hero Member
  • *****
  • Posts: 579
on: Jul 24, 2018
What is the common operating voltage range on the cells of electronic air cleaners?
 
  A) 6,000 to 10,000 volts DC B) 120 to 240 volts AC
  C) 25,000 to 50,000 volts DC D) 480 to 600 volts DC

Question 2

What is the last step in the operational sequence of the typical oil-fired furnace?
 
  A) The flame shuts down. B) The indoor blower turns off.
  C) The heat exchanger cools. D) The fan switch contacts open.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigsis44

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


tth

  • Member
  • Posts: 579
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Cells dividing Cells dividing
The locations of genetic material in animal and plant cells. The locations of genetic material in animal and plant cells.
Childe Hassam, Boston Common at Twilight Childe Hassam, Boston Common at Twilight
Diseases Common to the Elderly Diseases Common to the Elderly
Overview of a computer-controlled high-pressure common rail V-8 diesel engine. Overview of a computer-controlled high-pressure common rail V-8 diesel engine.
In Canada, disease-related deaths become increasingly common during middle adulthood In Canada, disease-related deaths become increasingly common during middle adulthood
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library