Four major components make up a GTA welding station: the welding power supply, the welding torch, the work clamp, and the ____________________.
Fill in the blank(s) with the appropriate word(s).
shielding gas cylinder
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When pipe and fittings are to be butt welded, the ends are ____.
A. flattened B. beveled C. rounded D. squared
Why did the kingdom of Portugal focus on Africa in its fifteenth-century voyages of exploration?
a. Portugal desired slaves for its plantations in Brazil, and most slaves available to Europe came from eastern Africa. b. Portugal sought to destroy the Muslim caravan trade in northern Africa and capture control of the Maghreb. c. Portugal set its sights on acquiring gold, and wanted to obtain it directly from western African suppliers rather than through Muslim middlemen. d. Portugal wanted to outflank its rivals on the Iberian Peninsula by establishing a colonial empire in northern and western Africa.
Technician A says a that a voltmeter can be used to monitor the output signal of an optical sensor. Technician B says that optical sensors should be tested with an oscilloscope because of the sensor's speed. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Which two lines connect the inside and outside units of a split system?
What will be an ideal response?