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Author Question: The transistor operates like a relay in that ________. A) its base is like a coil, and its ... (Read 78 times)

KWilfred

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on: Jul 27, 2018
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

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


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KWilfred

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


elyse44

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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