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

Author Question: When low-carbon steel with a carbon content of less than 0.30 percent is in freezing temperatures, ... (Read 78 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
on: Jul 24, 2018
When low-carbon steel with a carbon content of less than 0.30 percent is in freezing temperatures, it must be
  preheated to a temperature above _____.
 
  a. 40F (4C)
  b. 70F (21C)
  c. 100F (38C)
  d. 500F (260C)

Question 2

Medium- or high-carbon steels are made hard and brittle by _____.
 
  a. postheating
  b. quenching
  c. preheating
  d. fluxing


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katkat_flores

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 24, 2018
Answer to Question 1

b

Answer to Question 2

b


faduma

  • Member
  • Posts: 528
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

frankwu0507

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

The burning of fossil fuels has greatly increased atmospheric CO2 levels and temperatures. The burning of fossil fuels has greatly increased atmospheric CO2 levels and temperatures.
Commonly Used grades of Austenitic Stainless Steel Commonly Used grades of Austenitic Stainless Steel
Variable Gases: Carbon Dioxide Variable Gases: Carbon Dioxide
Threshold Levels of Carbon Monoxide Threshold Levels of Carbon Monoxide
Carbon Monoxide and Water Molecules Interaction Carbon Monoxide and Water Molecules Interaction
Ho to calculate the ATP of a 12-Carbon fatty acid, beta oxidation Ho to calculate the ATP of a 12-Carbon fatty acid, beta oxidation
Video: Definition of heart rate

For a complete list of videos, visit our video library