For which one of the following types of tungsten electrodes can the electrode tip be balled (spherical)?
A) ceriated B) thoriated C) lanthanated D) zirconiated
D
Trades & Technology
You might also like to view...
The fourteenth-century plague was
a. an epidemic. b. a result of poor building codes and sanitation. c. deliberately introduced into Europe by Mongols. d. a pandemic.
Trades & Technology
All of these are hazardous waste EXCEPT __________
A) Air-conditioning refrigerant and oils B) Used engine coolant and antifreeze C) Cleaning solvent D) All of these are hazardous wastes
Trades & Technology
Define a market class
What will be an ideal response?
Trades & Technology
A wheelbarrow is a good example of a __________ Lever
A. First Class B. Second Class C. Third Class D. None of the above
Trades & Technology