An arrow through (or to) a symbol changes the component from a variable value device to a fixed value device.
Answer the following statement true (T) or false (F)
False
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The openings along the circumference of a standard sheet metal gauge are used ____.
A. for clearance purposes only B. to measure clearances C. to measure the thickness of sheet or plate, or the diameters of wire D. to determine the type of steel
Jill has 220 sows. She has one-fifth of the sows farrowing at a time. The sows average 8.8 pigs per litter twice a year. She sells her pigs averaging 48 pounds for an average price of $78.50 per head.
a. How many sows are farrowing at a time? b. How many pigs are expected per farrowing? c. How many pigs per year are expected? d. What yearly income is expected from the sale of the pigs?
____ can cause an arc to move during a weld.
A. Alternating current B. Air currents C. Uneven flux lines D. Imperfections in the welding material
Technician A says that fuel cells are categorized according to the type of electrolyte used. Technician B says that all fuel cells operate most efficiently at 500 deg F. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B