This topic contains a solution. Click here to go to the answer

Author Question: What materials are boilers commonly made from? A) Most boilers are either cast iron or brass B) ... (Read 45 times)

lak

  • Hero Member
  • *****
  • Posts: 546
What materials are boilers commonly made from?
 
  A) Most boilers are either cast iron or brass B) Most boilers are either aluminum or copper
  C) Most boilers are either steel or aluminum D) Most boilers are either cast iron or steel

Question 2

What kind of expansion tank must be installed above the highest terminal unit?
 
  A) diaphragm-type B) closed-type
  C) pressure-relief type D) open-type



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kthug

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

D

Answer to Question 2

D




lak

  • Member
  • Posts: 546
Reply 2 on: Jul 26, 2018
Gracias!


tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

For a complete list of videos, visit our video library