Author Question: The general types of commercial control systems include A) Electro-mechanical, electronic, ... (Read 401 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
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
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

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?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

For a complete list of videos, visit our video library