« previous next »

Author Question: The general types of commercial control systems include A) Electro-mechanical, electronic, ... (Read 387 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
on: Jul 27, 2018
The general types of commercial control systems include
 
  A) Electro-mechanical, electronic, pneumatic, and direct digital
  B) DC millivoltage, DC microamp loop, AC frequency modulation
  C) Self contained and remote
  D) Low voltage, line voltage, and millivoltage

Question 2

A device that moves a device such as a valve or damper is called
 
  A) An actuator B) Sensor C) A switch D) A sending unit


abro1885

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Formation of additional eyes in Drosophila caused by the abnormal expression of a master control gen Formation of additional eyes in Drosophila caused by the abnormal expression of a master control gen
Hormonal control of insect development. Hormonal control of insect development.
When the O2S voltage rises above 450 mV, the PCM starts to control the fuel mixture based on ... When the O2S voltage rises above 450 mV, the PCM starts to control the fuel mixture based on ...
A “reduced power” warning light indicates a fault with the electronic throttle control system on ... A “reduced power” warning light indicates a fault with the electronic throttle control system on ...
Cloud Types: Vertical Development Cloud Types: Vertical Development
Ecosystems are systems of interacting biotic and abiotic components Ecosystems are systems of interacting biotic and abiotic components
Video: Lower Limb Arteries Animation

For a complete list of videos, visit our video library