Water under high pressure is forced through a membrane in a(n) _____.
a. precipitation system
b. ion-exchange system
c. reverse-osmosis system
d. distillation system
c. reverse-osmosis system
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The walls that are perpendicular to the ridge are referred to as ____ walls.
A. hip B. gable end C. load D. block
When processing the signal from an inductive pulse generator used to measure shaft rotational speed, which of the following is used to process the signal to an rpm value?
A. DC voltage B. AC voltage C. Amperage D. Frequency
The indoor fan on an oil furnace is controlled by:
A) Either a temperature-sensing fan switch or the primary control. B) A temperature-sensing fan switch. C) The primary control. D) A centrifugal switch on the oil burner motor.
Dogs are often used as _____ animals, such as guide dogs for the blind.
Fill in the blank(s) with the appropriate word(s).