How many states in the United States have coal mines in 2012, and how many mines are there in those states?
What will be an ideal response?
In 2012 there were 25 states with 1,229 coal mines.
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____ electrodes are designed to be used with DCEP polarity and have an organic-based flux (cellulose, C6H10O5).
A. E6010 B. E6011 C. E6013 D. E7014
Many general expense items are calculated as a function of the duration of the project.
Answer the following statement true (T) or false (F)
Cylinder taper is being discussed. Technician A says taper does not affect the ring gap as the piston goes up and down. Technician B says that up to.010" (.254mm) is usually an acceptable amount of taper. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A collapsible spacer is used in some differentials to provide ________
A) The proper amount of slippage in a limited slip differential B) A lubrication path to the drive pinion bearing C) The proper preload for the side bearings D) The proper preload for the drive pinion bearings