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

Author Question: The house electrical service should be checked before installing a unit in an older house because ... (Read 160 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
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
Answer to Question 1

C

Answer to Question 2

D





 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

For a complete list of videos, visit our video library