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

Author Question: Since the advent of oxyacetylene welding in 1836, how many welding processes have appeared? A) ... (Read 114 times)

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
Since the advent of oxyacetylene welding in 1836, how many welding processes have appeared?
 
  A) Over 50 B) Over 200 C) Over 100 D) Over 150

Question 2

Pneumatic controls operate by
 
  A) Electricity B) Air pressure
  C) Hydraulic pressure D) Water pressure



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kbennett34

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

C

Answer to Question 2

B




wrbasek0

  • Member
  • Posts: 560
Reply 2 on: Jul 26, 2018
Wow, this really help


bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
:D TYSM

 

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?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

For a complete list of videos, visit our video library