Author Question: Which of the following control valves cannot provide for variable positions over a range of 0 to ... (Read 41 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
Which of the following control valves cannot provide for variable positions over a range of 0 to 100?
 
  A) Pneumatic-assisted valve B) Motor driven value
  C) Proportional valve D) Solenoid valve

Question 2

Which of the following is not a control device used on the output side of a process?
 
  A) Heating element
  B) Valve
  C) Pyrometer
  D) Actuator
  E) Solenoid



abctaiwan

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library