« previous next »

Author Question: The first step in troubleshooting a system is: A) Replacing defective components. B) Recognizing ... (Read 73 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
on: Jul 24, 2018
The first step in troubleshooting a system is:
 
  A) Replacing defective components.
  B) Recognizing what component is operating incorrectly.
  C) Understanding the system operational sequence.
  D) Testing to isolate the cause.

Question 2

An expansion tank problem may be indicated by:
 
  A) A weeping relief valve. B) A defective mixing valve.
  C) A clogged air separator. D) A low pressure problem.


ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 24, 2018
Thanks


ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #3 on: Jul 24, 2018
Welcome :)


« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

The FDA recognizes 118 routes of administration.

The mammalian respiratory system. The mammalian respiratory system.
The functional structure of the peripheral nervous system. (A) Afferent or sensory neurons carry sen The functional structure of the peripheral nervous system. (A) Afferent or sensory neurons carry sen
The autonomic nervous system with its sympathetic and parasympathetic divisions The autonomic nervous system with its sympathetic and parasympathetic divisions
Comparison of Principles of Abstinence-Only and Comprehensive Sex Education in the Public School Sys Comparison of Principles of Abstinence-Only and Comprehensive Sex Education in the Public School Sys
Soil Components Soil Components
Respiratory system, Urinary and Nervous systems Respiratory system, Urinary and Nervous systems
Video: Barriers - eye structures, digestive mucosa, respiratory mucosa & genitourinary mucosa

For a complete list of videos, visit our video library