Author Question: The transistor operates like a relay in that ________. A) its base is like a coil, and its ... (Read 22 times)

KWilfred

  • Hero Member
  • *****
  • Posts: 570
The transistor operates like a relay in that ________.
 
  A) its base is like a coil, and its emitter and collector are like a set of contacts
  B) its collector is like the coil, and its base and emitter are like a set of contacts
  C) its emitter is like the coil, and its base and collector are like a set of contacts

Question 2

How are water pumps in hydronic heating systems checked?
 
  A) By measuring the temperature of the pump motor
  B) By measuring the pump motor RPM using a digital tachometer
  C) By measuring the water flow in the system
  D) By measuring the impeller RPM using a stroboscope



elyse44

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

KWilfred

  • Hero Member
  • *****
  • Posts: 570
Both answers were spot on, thank you once again



elyse44

  • Sr. Member
  • ****
  • Posts: 319

 

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library