This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The operating sequence to light the main burners on an intermittent pilot system is A) the main ... (Read 164 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 26, 2018
The operating sequence to light the main burners on an intermittent pilot system is
 
  A) the main valve is energized, then the spark igniter, and finally the pilot valve
  B) the pilot valve and spark igniter are energized, the pilot flame is proved, and then the main gas valve is energized
  C) the main valve and spark igniter are energized, the pilot flame is proved, and then the pilot gas valve is energized
  D) the pilot valve and main valve are energized simultaneously

Question 2

Gibs or dowels on a pillow block housing are there for the purpose of _____.
 
  a. tensioning the bearing
  b. aligning the bearing
  c. lubricating the bearing
  d. matching the cap and base


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vboyd24

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 26, 2018
Answer to Question 1

B

Answer to Question 2

d


Shelles

  • Member
  • Posts: 582
Reply 2 on: Jul 26, 2018
Gracias!

Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Limbic system. Limbic system.
Saturn’s Ring System Saturn’s Ring System
Procedures and Diagnostic Tests Related to the Endocrine System Procedures and Diagnostic Tests Related to the Endocrine System
Soil as a system Soil as a system
Female Reproductive System "الجهاز التناسلي للأنثى" Female Reproductive System "الجهاز التناسلي للأنثى"
The Central and Peripheral Nervous System The Central and Peripheral Nervous System
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library