What can happen if you do not purge with nitrogen while brazing?
A) The brazing will take longer without the extra heat from the nitrogen.
B) Oxides inside the pipe may form and eventually stop up refrigeration components.
C) Leak checking will take longer.
D) You run the risk of an explosion.
B
You might also like to view...
The more solid margarine is:
a. the more trans fat and the less saturated fat it contains b. the less trans fat and the more saturated fat it contains c. the more trans fat and the more saturated fat it contains d. the less trans fat and the less saturated fat it contains
Which American challenge do you think will most dominate the first half of the 21st century: economic prosperity and justice, the global and local environment, or the threat of international terrorism? What resources does American history provide for meeting what you consider to be the single greatest challenge?
What will be an ideal response?
Technician A says that diesel engines do not create a vacuum in their intake manifold. Technician B says most diesel engines use hydraulically assisted power brake boosters, and the pressure for the assist is developed in the power steering pump on some diesel engines. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Convert the improper fraction 21/5 to a mixed number reduced to lowest terms.
What will be an ideal response?