If water softeners are used in a building, where would they most likely be located?

a. Near water fountains
b. On the roof
c. Where the main enters the building
d. Past the water heaters


c. Where the main enters the building

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Repeat Problem P14.19, for a lake of size 250m length × 50 m width × 5 m deep, if biosensors are to be installed to monitor pollutant level and if the range of each sensor is 0.5 m.

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Screw conveyors may be controlled individually by variable drive ____ motors.

a. slave b. coupled c. remote d. series

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The ability to measure AC current is useful when diagnosing ________

A) Resistance in a battery cable B) Starter motor operation C) Alternator function D) None of these

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Axle windup is most often a problem with ________

A) Vehicles with a live rear axle B) Front-wheel drive vehicles C) Both A and B D) Neither A nor B

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