A solution used as a secondary refrigerant in chillers consisting of water and a chemical which lowers the water's freezing point is called:
A) Slush. B) Propylene glycol. C) Hydraulic fluid. D) Brine.
D
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Find, in square inches, the amount of waste in this piece of sheet metal. Express the answer to the nearest hundredth.
It is sometimes said that the Europeans who came to the Americas settled a "virgin land" that was unused and unspoiled. Write an essay demonstrating that this is, or is not, an accurate description of what happened.
What will be an ideal response?
In order for a flooded condenser type head pressure control system to operate, a device called a ____________________ has to be added to the system because of the extra refrigerant.
Fill in the blank(s) with the appropriate word(s).
Two technicians are discussing torsion bars. Technician A says that many torsion bars are adjustable to allow for ride height adjustment. Technician B says that torsion bars are usually marked left and right and should not be switched side to side. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician