« previous next »

Author Question: The general types of commercial control systems include A) Electro-mechanical, electronic, ... (Read 355 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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Negative control of a repressible set of genes: function of the trp repressor and corepressor in reg Negative control of a repressible set of genes: function of the trp repressor and corepressor in reg
Plant Cell Types (Part 1) Plant Cell Types (Part 1)
Feedback control of the adrenal cortex Feedback control of the adrenal cortex
Dual Systems Model of Risk-Taking Dual Systems Model of Risk-Taking
The Many Types of Vegetarians The Many Types of Vegetarians
GENERAL BIO IMAGES GENERAL BIO IMAGES
Video: Effect of the environment on coat color in the Himalayan rabbit Animation

For a complete list of videos, visit our video library