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

Author Question: How is voltage drop through the power wire to the unit checked? A) Measure the resistance of the ... (Read 102 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
How is voltage drop through the power wire to the unit checked?
 
  A) Measure the resistance of the power wire from the source to the furnace and multiply it times the furnace operating current.
  B) The difference in voltage before and after starting the furnace is the voltage drop.
  C) The difference between the nameplate voltage and the actual operating voltage is the voltage drop.
  D) The difference between the minimum and maximum allowable nameplate voltages is the voltage drop.

Question 2

An open-loop system:
 
  A) Controls conditions for machines that are open to the air.
  B) Monitors conditions that it can control.
  C) Monitors conditions that it cannot control.
  D) Connects to the main controller through an open wireless system.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcni194

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

B

Answer to Question 2

C





 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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.

For a complete list of videos, visit our video library