What Do Cholera, Typhoid, and Yellow Fever All Have in Common

question 8

Multiple Choice

What do cholera, typhoid, and yellow fever all have in common?

• A) They are all water-related diseases.
• B) They are all air-related diseases.
• C) They are all sexually transmitted diseases.
• D) They are all food-related diseases.
• E) They are all genetic disorders.

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Definitions:

Rotor

Any of a number of different components that rotate. In air brakes, the rotor turns with the wheel and has braking force applied to it, whereas in an alternator, the rotor provides the magnetic fields required to create current flow.

Cam Ring

An eccentric liner, usually stationary, within which mobile pump members rotate.

Non-Positive

Describes a connection or interaction where movement or slip is permitted between components, as opposed to a fixed, rigid connection.

Vane Pump

A fluid pump consisting of a slotted rotor that turns within a pump liner or cam ring. The rotor is milled with radial slots in which vanes (blades/plates) float, being thrust out by centrifugal force into the liner to form pump chambers when the rotor turns.