Pumping and Aerial Apparatus operator: Chapter #5 Questions and Answers | 100% Pass
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Course
Pump Operator
Institution
Pump Operator
Pumping and Aerial Apparatus operator:
Chapter #5 Questions and Answers |
100% Pass
What is the freezing point of water? - Answer️️ -32* F
What is the boiling point of water? - Answer️️ -212*F
Water is considered to be virtually... - Answer️️ -incompressible
The weight of water......
Answer✔️✔️-pressure upon that fluid as well as the size of the orifice through which it is
flowing.
The speed is often referred to as the... - Answer✔️✔️-velocity
What are the six principles that determine the action or pressure on fluids? -
Answer✔️✔️-1. Fluid pressure is perpendicular to any surface on which it acts.
2. Fluid pressure at a point in fluid at rest is the same intensity in all directions.
3. Pressure applied to a confined fluid is transmitted equally in all directions.
4. The pressure of a liquid in an open vessel is proportional to its depth.
5. The pressure of a liquid in an open vessel is proportional to the density of the fluid.
6. The pressure of a liquid at the bottom of a vessel is independent of the shape of the
vessel.
What is PSIG? - Answer✔️✔️-pounds per square inch gauge
What is psia? - Answer✔️✔️-Pounds per square inch absolute (indicates an actual
atmospheric pressure reading)
Vacuum - Answer✔️✔️-In the fire service, a pressure somewhat less than atmospheric
pressure; a vacuum is needed to facilitate drafting of water from a static source.
Head - Answer✔️✔️-Alternate term for pressure, especially due to elevation. For every 1
foot increase in elevation, 0.434 psi is gained.
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