When soldering or brazing, the solder is ____.
A. heated directly by the flame of the heat source
B. heated by the surrounding air
C. used to oxidize the metal
D. melted by heat from the tubing and fitting
Answer: D
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What should you do if you accidentally spill cleaner on a customer’s food?
a. Don’t tell the customer, but give them a big discount on the bill. b. Sneak out as fast as you can and don’t look back. c. Tell the customer immediately, and apologize.
Find the Fourier transforms of:
(a) 2cos 2t u(t) (b) 0.5sin 10 t u(t)
When running the fourth bead of a GTAW fillet weld in the 1F position, how much of the second bead should you overlap?
A) 3/4 B) 1/3 C) 1/4 D) 1/2
What is a single contract, and what are its principal advantages and disadvantages for the owner?
What will be an ideal response?