In the atmosphere near the weld, the UV radiation from the GTAW process can ionize _____
a. dust
b. helium
c. oxygen
d. hydrogen
c
Trades & Technology
You might also like to view...
Which type of English fit is intended where accuracy of location is of prime importance and where parts require rigidity and alignment with no special requirement for bore pressure?
A. locational transition fit B. locational clearance fit C. locational interference fit D. running clearance fit
Trades & Technology
How many threads per inch are designated by 1?2-13 UNC?
a. 1?2 b. 13 c. 1 d. 7.5
Trades & Technology
In 1796, who invented the first battery?
A. Alessandro Volta B. Michael Faraday C. Benjamin Franklin D. Georg Simon Ohm
Trades & Technology
In a series circuit, total power PT is calculated as:
A) 1/P1 + 1/P2 + 1/P3 + etc. B) P1 + P2 + P3 + etc. C) P1 ÷ P2 ÷ P3 ÷ etc. D) P1 × P2 × P3 × etc.
Trades & Technology