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

Author Question: Of the various types of tungsten electrodes available, the tungsten electrodes that are used for AC ... (Read 107 times)

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
on: Jul 24, 2018
Of the various types of tungsten electrodes available, the tungsten electrodes that are used for AC welding
  are _____.
 
  a. lanthanated
  b. pure
  c. irradiated
  d. thoriated

Question 2

Setting the amperage at 200 amps for a welding machine that is rated 300 amps at 60-percent duty cycle will
  _____.
 
  a. reduce the shielding gas flow rate by 30 percent
  b. cause excessive nozzle vibration
  c. increase the duty cycle to 100 percent
  d. allow welding current to be pulsed


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nanny

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 24, 2018
Answer to Question 1

b

Answer to Question 2

c


bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 24, 2018
Thank you!


nanny

  • Sr. Member
  • ****
  • Posts: 313
Reply #3 on: Jul 24, 2018
Always glad to help...


« previous next »
 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Characteristics of the three types of muscles. Characteristics of the three types of muscles.
Types of Brain Tumors Types of Brain Tumors
Three types of urine tests for checking patients’ urine for diabetes. Three types of urine tests for checking patients’ urine for diabetes.
The three types of muscle: Skeletal, cardiac, and smooth. The three types of muscle: Skeletal, cardiac, and smooth.
Types of scleroderma. Types of scleroderma.
Immunogenicity of Different Types of Antigens Immunogenicity of Different Types of Antigens
Video: Regulation of GFR: three methods, autoregulation & autoregulation via myogenic mechanism

For a complete list of videos, visit our video library