?How can tungsten be conserved if it accidentally becomes contaminated?
A. ?Break off only the smallest possible piece of the contaminated tungsten.
B. ?Strike an arc on a scrap piece of stainless steal and burn off the contamination.
C. ?As long as you can keep an arc you can continue welding without stopping to clean the tip.
D. ?Carefully grind off the contamination.
Answer: D
You might also like to view...
Liquids that boil at relatively low temperatures are often stored as liquids under their vapor pressures, which at ambient temperature can be quite large. Thus, n-butane stored as a liquid/vapor system is at a pressure of 2.581 bar for a temperature of 300 K. Large-scale storage 
of this kind is sometimes done in spherical tanks. Suggest two reasons why.
What will be an ideal response?
Data for Wilson's Lamb Slaughtering Plant are given below:
Let the base year be 1.0 in 1998. What is the output index for 1999?
A) 75
B) 0.75
C) 1.33
D) 1.10
In asexual propagation, a piece of the ____________________ is used to produce a new plant, instead of growing a new plant from a seed
Fill in the blank(s) with correct word
The Branch Davidians were a(n)
A. organization of fiscal conservatives promoting a reduced deficit. B. fundamentalist sect assaulted by the federal government. C. branch of the House of David within the Jewish community. D. underground militia plotting rebellion against the federal government. E. group of liberal Democrats opposed to Clinton's new Democrat policies.