Author Question: When checking combustion efficiency, which measurement should be taken first? A) Draft B) Smoke ... (Read 40 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
When checking combustion efficiency, which measurement should be taken first?
 
  A) Draft B) Smoke C) Stack temperature D) Oxygen

Question 2

Which of the following overcurrent protection devices would be appropriate for an air-conditioning condensing unit whose rating plate says MAX FUSE or HACR CIRCUIT BREAKER 35 AMPS?
 
  A) A 35 A HCAR circuit breaker
  B) A 35 A circuit breaker
  C) A 30 A time delay fuse
  D) No fuse or circuit breaker is necessary; but if one is used, it cannot exceed 35 A.



fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

For a complete list of videos, visit our video library