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

Author Question: Most communicating systems are wired with four wires. They are: A) Two wires for 24 V power and ... (Read 100 times)

azncindy619

  • Hero Member
  • *****
  • Posts: 562
on: Jul 24, 2018
Most communicating systems are wired with four wires. They are:
 
  A) Two wires for 24 V power and two for communication.
  B) Communication lines 1, 2, 3, and 4.
  C) One wire for power, one for cooling, one for heating, and one for fan.
  D) Power lines 1, 2, 3, and 4.

Question 2

How can negative room pressure create a hazardous situation in a house with combustion appliances?
 
  A) All the heat can be sucked out of the room through the vent.
  B) Combustion products can spill into the house.
  C) The appliances may burn excessively hot.
  D) The gas pressure may be affected.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Brenm

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


azncindy619

  • Member
  • Posts: 562
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Vegetative Organs and Systems Vegetative Organs and Systems
Dual Systems Model of Risk-Taking Dual Systems Model of Risk-Taking
Global Pressure Systems and Wind Patterns Global Pressure Systems and Wind Patterns
France has produced most of its energy from nuclear power since the oil crisis of the 1970s France has produced most of its energy from nuclear power since the oil crisis of the 1970s
Sustainable Food Systems Are Environmentally Friendly, Economically Sound, and Socially Equitable Sustainable Food Systems Are Environmentally Friendly, Economically Sound, and Socially Equitable
During a period of high power demand, the voltage output of the power company is reduced by ... During a period of high power demand, the voltage output of the power company is reduced by ...
Video: Introduction to filtration - filtrate formation and composition

For a complete list of videos, visit our video library