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

Author Question: The house electrical service should be checked before installing a unit in an older house because ... (Read 56 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
on: Jul 24, 2018
The house electrical service should be checked before installing a unit in an older house because the electrical service in many older houses:
 
  A) Uses a different style of circuit connector that is not compatible with electric furnaces.
  B) Will not supply 240 V to major loads.
  C) Will not supply the current requirements of an electric furnace.
  D) Operates on DC current, and electric furnaces require AC current.

Question 2

Electro-mechanical control systems operate by:
 
  A) Processing electronic signals with a microprocessor.
  B) Providing a modulating air pressure in response to monitored conditions.
  C) Providing a varying DC voltage in response to monitored conditions.
  D) Turning relay coils on or off to complete circuits.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nmyers

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 24, 2018
TY


nmyers

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 24, 2018
You're welcome


« previous next »
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Eating a house sparrow. Eating a house sparrow.
Toilet-trained house cat Toilet-trained house cat
A factory replacement unit for a CSFI unit that has individual injectors at the ends that go into ... A factory replacement unit for a CSFI unit that has individual injectors at the ends that go into ...
How to evaluate angles using cosine, special triangles, the unit circle (Part 2) How to evaluate angles using cosine, special triangles, the unit circle (Part 2)
Results from Kliegl's study show that older adults can learn complex information-processing Results from Kliegl's study show that older adults can learn complex information-processing
Which of the following is not a unit factor related to a 15.0% aqueous solution Which of the following is not a unit factor related to a 15.0% aqueous solution
Video: Digestion Animation

For a complete list of videos, visit our video library