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

Author Question: Which statement is correct regarding the cleaning of base metals before welding? a. All metals ... (Read 67 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 24, 2018
Which statement is correct regarding the cleaning of base metals before welding?
 
  a. All metals should be cleaned before welding.
  b. It is not necessary to clean new metal.
  c. Metals only need to be cleaned if they show signs of corrosion.
  d. Metals only need to be cleaned if they are painted or coated.

Question 2

Common grade stainless steels are classified by their _____.
 
  a. chemical structures
  b. grain structures
  c. cellular structures
  d. matrix structures


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuate

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 24, 2018
Answer to Question 1

a

Answer to Question 2

b


Shelles

  • Hero Member
  • *****
  • Posts: 582
Reply #2 on: Jul 24, 2018
Thank you!


tuate

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 24, 2018
Always glad to help...


« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Base Pairing in DNA Is Complementary Base Pairing in DNA Is Complementary
Appendectomy. The appendix and cecum are brought through the incision to the surface of the abdomen. Appendectomy. The appendix and cecum are brought through the incision to the surface of the abdomen.
Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro
If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ... If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ...
pH Scale - Weak Acid and their conjugate Base pH Scale - Weak Acid and their conjugate Base
Is my concept map correct? (Grade 12 Bio) Is my concept map correct? (Grade 12 Bio)
Video: PET Scan Animation

For a complete list of videos, visit our video library