COPY: 92W Module A Flashcards

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Questions and Answers

What is the Hydrologic Cycle?

  • The process of water evaporating from plants
  • Natural circulation of raw water on or above the Earth's surface (correct)
  • The conversion of water into ice
  • Water flowing through rivers and streams

What is evaporation?

Water is placed in the air by evaporation from bodies of water.

What is transpiration?

Moisture placed in the air by the plants as they sweat.

What is precipitation?

<p>Occurs in the form of rain, snow, sleet, or hail.</p> Signup and view all the answers

What is infiltration?

<p>Water enters the ground and underlying rock formation.</p> Signup and view all the answers

What is runoff?

<p>Precipitation that flows over the Earth back into lakes, streams, and rivers.</p> Signup and view all the answers

What are the classifications of water sources?

<p>Surface (rivers, streams, lakes), Ground (wells, springs), Sea Water, Rain, snow, ice.</p> Signup and view all the answers

What is Contact Time (CT)?

<p>The length of time chlorine takes for disinfection to occur.</p> Signup and view all the answers

Turbidity refers to ______.

<p>particles you can see; muddy or unclear conditions of water.</p> Signup and view all the answers

What are dissolved solids?

<p>Gases (things you cannot see).</p> Signup and view all the answers

What does TDS stand for?

<p>Total Dissolved Solids.</p> Signup and view all the answers

Which of the following are characteristics of water?

<p>Odor/Taste (A), Color (B), Turbidity (C), Temperature (D)</p> Signup and view all the answers

What is the effect of temperature on water taste?

<p>Warm water tastes flat; cooling water is more palatable.</p> Signup and view all the answers

What are chemical properties of water?

<p>Acidity/Alkalinity, Hardness, Corrosiveness, TDS.</p> Signup and view all the answers

What is acidity/alkalinity measured by?

<p>Ultrameter measures the pH which shows the acidity/alkalinity.</p> Signup and view all the answers

What causes hardness in water?

<p>Salts of calcium, magnesium, iron, manganese, sodium, sulfates, chlorides, nitrates.</p> Signup and view all the answers

What does corrosiveness in water refer to?

<p>Water containing dissolved gases.</p> Signup and view all the answers

What are the types of contamination of water?

<p>All of the above (D)</p> Signup and view all the answers

What is the primary purpose of field water purification?

<p>To make water safe for human consumption.</p> Signup and view all the answers

What is the function of multimedia/ultra/micro filters?

<p>Filter removes large solids passed through the input strainer as well as smaller solids acted upon by polymer chemicals.</p> Signup and view all the answers

What does a cartridge filter do?

<p>Takes out suspended solids that pass through multimedia filter.</p> Signup and view all the answers

What is reverse osmosis?

<p>Process which separates suspended and dissolved solids from filtered water.</p> Signup and view all the answers

What is disinfection in water treatment?

<p>Chlorine is added to destroy remaining bacteria.</p> Signup and view all the answers

What are basic components in field water purification?

<p>Filter Elements (A), Reverse Osmosis Elements (B), Strainer (C), Disinfection (D)</p> Signup and view all the answers

What does TB MED 577 refer to?

<p>Our Bible.</p> Signup and view all the answers

What does 68S relate to?

<p>All of the above (D)</p> Signup and view all the answers

What are the types of water?

<p>Contaminated (A), Potable (B), Polluted (C), Palatable (D)</p> Signup and view all the answers

What does PPM stand for?

<p>Parts Per Minute.</p> Signup and view all the answers

What does contaminated water mean?

<p>Contains disease-producing organisms, poisonous substances or CBRN.</p> Signup and view all the answers

What does polluted water contain?

<p>Contains substances such as garbage, sewage, industrial waste or mud.</p> Signup and view all the answers

What defines palatable water?

<p>Significantly free from color, turbidity, taste, and odor; cool and aerated.</p> Signup and view all the answers

What defines potable water?

<p>Free from disease-producing organisms, CBRN agents, and poisonous substances safe to drink.</p> Signup and view all the answers

What are the categories of water sources?

<p>All of the above (D)</p> Signup and view all the answers

What defines fresh water?

<p>Less than 1500 ppm TDS.</p> Signup and view all the answers

What is brackish water?

<p>Range from 1500 ppm to 15000 ppm TDS.</p> Signup and view all the answers

What defines saline water?

<p>Over 15000 ppm TDS.</p> Signup and view all the answers

What does OE stand for?

<p>Operational Environment.</p> Signup and view all the answers

What are variables in the OE?

<p>All of the above (D)</p> Signup and view all the answers

What does JIIM stand for?

<p>Joint/Joint Task Force, Interagency, Intergovernmental, Multinational.</p> Signup and view all the answers

What is environmental stewardship?

<p>Compliance, restoration, prevention, conservation.</p> Signup and view all the answers

What are the types of water sources?

<p>Both A and B (C)</p> Signup and view all the answers

What does ISAP stand for?

<p>Individual Student Assessment Plan.</p> Signup and view all the answers

What does PMCS stand for?

<p>Preventive Maintenance Checks and Services.</p> Signup and view all the answers

What is a warning in maintenance?

<p>Alert the user to hazardous operating and maintenance procedures that may result in injury or death.</p> Signup and view all the answers

What does caution refer to in maintenance?

<p>Damage to or destruction of equipment or mission effectiveness if not strictly observed.</p> Signup and view all the answers

What is water reconnaissance?

<p>A special type of survey designed to gather information about water sources.</p> Signup and view all the answers

What are the phases of planning?

<p>All of the above (D)</p> Signup and view all the answers

What does surface water include?

<p>All of the above (D)</p> Signup and view all the answers

What does groundwater refer to?

<p>Both A and B (A)</p> Signup and view all the answers

Who are the personnel involved in water treatment?

<p>Water Treatment Specialist, Surgeon General Rep., Corp of Engineers.</p> Signup and view all the answers

What does pH stand for?

<p>Potential Hydrogen.</p> Signup and view all the answers

What does TAMMS stand for?

<p>The Army Maintenance Management System.</p> Signup and view all the answers

What is field level maintenance?

<p>Operator/Crew and unit maintenance.</p> Signup and view all the answers

What does sustainment level maintenance focus on?

<p>Repairing components, assemblies, modules, and end items.</p> Signup and view all the answers

A fault is a ______ in a piece of equipment that doesn't prevent operation.

<p>defect</p> Signup and view all the answers

What are the phases of planning?

<p>All of the above (D)</p> Signup and view all the answers

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