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 98 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?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Correct position when lifting a heavy object off the floor. Correct position when lifting a heavy object off the floor.
Start the fuel injector cleaning process by bringing the vehicle’s engine up to operating ... Start the fuel injector cleaning process by bringing the vehicle’s engine up to operating ...
Continue the process until the canister is empty and the engine stalls. Remove the cleaning ... Continue the process until the canister is empty and the engine stalls. Remove the cleaning ...
Unusual base pairings in tRNA: (c, d) Some examples of triple interactions Unusual base pairings in tRNA: (c, d) Some examples of triple interactions
Acid–Base Balance Acid–Base Balance
Relationship of a DNA base sequence to peptide structure Relationship of a DNA base sequence to peptide structure
Video: Rods and Cones Animation

For a complete list of videos, visit our video library