CDC 4b051 Vol 5

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  • 1/101 Questions

    What ground characteristics allow water to move freely?

    • Caliche rock layers
    • Clay and rock layers
    • Sand and gravel layers
    • Crystalline rock layers
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About This Quiz

This CDC 4B051 Vol 5 quiz assesses knowledge on groundwater characteristics, storage zones, and quality standards for drinking purposes. It highlights key aspects like turbidity, alkalinity, and the importance of oxygen in water taste, aligning with EPA guidelines.

CDC 4b051 Vol 5 - Quiz

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  • 2. 

    Which Environmental Protection Agency (EPA) drinking water standard is a guideline that applies to the aesthetic aspects of drinking water?

    • Quality

    • Primacy

    • Primary

    • Secondary

    Correct Answer
    A. Secondary
    Explanation
    1-6

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  • 3. 

    What is one reason ground water sources are generally preferred over surface water sources for drinking?

    • Groundwater has a low turbidity

    • Groundwater has a variable supply

    • Groundwater has high calcium levels

    • It is easy to determine the quantity of groundwater

    Correct Answer
    A. Groundwater has a low turbidity
    Explanation
    1-3

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  • 4. 

    Proper respirator selection is not based on which of the following criteria?

    • Evaluation of respiratory hazards

    • Time period that respirator must be worn

    • Worker’s respirator brand preference

    • Worker’s activities

    Correct Answer
    A. Worker’s respirator brand preference
    Explanation
    duh

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  • 5. 

    The goal in evaluating communication effectiveness, is to

    • Determine if the risk information or message reached the target audience

    • Release you from any further responsibility

    • Win friends and influence people

    • None of the above

    Correct Answer
    A. Determine if the risk information or message reached the target audience
    Explanation
    ......

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  • 6. 

    What law passed by congress established a Federal program to monitor and increase the safety of all publically and commercially supplied drinking water?

    • Safe Drinking Water Act

    • Well Head Protection Program

    • Safe Drinking Water Surveillance Program

    • National Primary Drinking Water Regulation

    Correct Answer
    A. Safe Drinking Water Act
    Explanation
    1-6

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  • 7. 

    What do terrorists and militant groups consider an Air Force potable water supply?

    • Threat

    • Security risk

    • Credible target

    • Security challenge

    Correct Answer
    A. Credible target
    Explanation
    duh

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  • 8. 

    Upon your arrival, the HAZCOM program manager for the shop provides you with the chemical inventory. Which chemicals should be listed on this inventory?

    • Every chemical used on the base

    • Every chemical used in the wing

    • Every chemical used in the shop

    • Every chemical used in the unit

    Correct Answer
    A. Every chemical used in the shop
    Explanation
    no explanation needed

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  • 9. 

    What governmental bureau requires that sanitary surveys be conducted for water systems and defines the specific critical elements to be evaluated?

    • US Department of Agriculture

    • US Environmental Protection Agency

    • Centers for Disease Control and Prevention

    • Occupational Safety and Health Administration

    Correct Answer
    A. US Environmental Protection Agency
    Explanation
    1-23

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  • 10. 

    Which phase of a base sanitary survey should generate a list of items to check in the field?

    • Planning

    • Reporting

    • Follow-up

    • Conducting

    Correct Answer
    A. Planning
    Explanation
    1-24 & 1-25

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  • 11. 

    At a minimum, how often does Bioenvironmental Engineering (BE) collect bacteriological samples from the aircraft watering point source?

    • Weekly

    • Monthly

    • Quarterly

    • Annually

    Correct Answer
    A. Monthly
    Explanation
    1-58

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  • 12. 

    What characteristic of drinking water must be controlled to prevent corrosion and the precipitation of salts in boilers?

    • Acidity

    • Alkalinity

    • Hardness

    • Dissolved gases

    Correct Answer
    A. Alkalinity
    Explanation
    1-4

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  • 13. 

    What dissolved gas needs to be at an adequate level to prevent drinking water from tasting flat?

    • Oxygen

    • Carbon dioxide

    • Hydrogen sulfide

    • Carbon monoxide

    Correct Answer
    A. Oxygen
    Explanation
    1-5

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  • 14. 

    Which of the source materials are useful for assessing hazards and estimating hazard duration during chemical, biological, radiological, and nuclear (CBRN) incidents?

    • WEEL

    • ERPG

    • CHEMRAT

    • MEDIC CD

    Correct Answer
    A. CHEMRAT
    Explanation
    6-39

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  • 15. 

    The range of acceptable values for the air flow volume on routine tests is within what percentage of the baseline value?

    • 25 percent

    • 20 percent

    • 15 percent

    • 10 percent

    Correct Answer
    A. 10 percent
    Explanation
    2-59

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  • 16. 

    The Confined Space Program Team generally includes representatives from which organizations?

    • Bioenvironmental Engineering, Public Health, Environmental Management

    • Bioenvironmental Engineering, Environmental Management, and Ground Safety

    • Ground Safety, Public Health, and Bioenvironmental Engineering

    • Ground Safety, Fire and Emergency Services, and Bioenvironmental Engineering

    Correct Answer
    A. Ground Safety, Fire and Emergency Services, and Bioenvironmental Engineering
    Explanation
    The Confined Space Program Team generally includes representatives from Ground Safety, Fire and Emergency Services, and Bioenvironmental Engineering. These organizations are typically involved in ensuring the safety and health of individuals working in confined spaces. Ground Safety is responsible for implementing safety measures and protocols, Fire and Emergency Services provide emergency response capabilities, and Bioenvironmental Engineering focuses on assessing and managing potential environmental hazards. By having representatives from these organizations, the Confined Space Program Team can effectively address the various aspects related to confined space safety and ensure comprehensive protection for workers.

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  • 17. 

    What is the atmospheric oxygen percentage criterion for defining an oxygen-deficient atmosphere?

    • 10.9 percent

    • 19.5 percent

    • 20.9 percent

    • 23.5 percent

    Correct Answer
    A. 19.5 percent
    Explanation
    3-8

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  • 18. 

    All of the following are included in the five basic principles of good communication except

    • Clarity

    • Complexity

    • Focused

    • Organized

    Correct Answer
    A. Complexity
    Explanation
    duh

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  • 19. 

    Which is a key provision of the Emergency Planning and Community Right to Know Act(EPCRA)?

    • Emergency planning

    • Toxic release inventory

    • Emergency release notification

    • All of the above are key provisions of EPCRA

    Correct Answer
    A. All of the above are key provisions of EPCRA
    Explanation
    6-21

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  • 20. 

    When using communications equipment, never transmit or key a handheld radio within 8 meters

    • Another handheld radio

    • A vehicle with its motor running

    • Unexploded ordinance (UXO).

    • A vehicle refueling pump

    Correct Answer
    A. Unexploded ordinance (UXO).
    Explanation
    6-36

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  • 21. 

    Which is the most common type of water treatment used at AF installations?

    • Aeration

    • Fluoridation

    • Scale Control

    • Carbon Adsorption

    Correct Answer
    A. Fluoridation
    Explanation
    1-14 ?

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  • 22. 

    How often should water vulnerability assessments be accomplished/updated at garrison level installations?

    • Annually

    • Semi-annually

    • Every ten years

    • During each rotation

    Correct Answer
    A. Annually
    Explanation
    1-51

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  • 23. 

    How often must Bioenvironmental Engineering (BE) sample trucks that transport potable water to aircraft?

    • Two trucks per month

    • All trucks every month

    • One truck per week, all trucks every month

    • One truck per month, all trucks every calendar quarter

    Correct Answer
    A. One truck per month, all trucks every calendar quarter
    Explanation
    1-58

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  • 24. 

    Friction losses in a ventilation system can be reduced by increasing the

    • Hood size

    • Duct length

    • Duct velocity

    • Duct diameter

    Correct Answer
    A. Duct diameter
    Explanation
    2-7

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  • 25. 

    How often does Bioenvironmental Engineering (BE) conduct a review/evaluation of the respiratory protection program?

    • Quarterly

    • Semi-annually

    • Annually

    • Biennial

    Correct Answer
    A. Annually
    Explanation
    3-20

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  • 26. 

    Evidence of excessive exposure of respirator wearers to respiratory hazards is followed up by

    • Re-fit testing exposed workers

    • Providing addition training to exposed workers

    • Fitting exposed workers with a different type of respirator

    • Investigation to determine why inadequate respirators were provided

    Correct Answer
    A. Investigation to determine why inadequate respirators were provided
    Explanation
    3-20

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  • 27. 

    Which is a benefit of ventilating a confined space?

    • Eliminates need to test oxygen levels.

    • Dilutes or removes toxic air contaminants

    • Reduces the atmospheric testing frequency

    • Eliminates need to test for toxics substances

    Correct Answer
    A. Dilutes or removes toxic air contaminants
    Explanation
    duh

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  • 28. 

    Groundwater is stored in

    • Lakes, streams, and oceans

    • Snow, glaciers, and rivers

    • Unconfined and confined zones

    • Unsaturated and saturated zones

    Correct Answer
    A. Unsaturated and saturated zones
    Explanation
    1-3

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  • 29. 

    During water vulnerability assessment, your focus is on field activities and the gathering information necessary to characterize vulnerability, risk, and control options. What phase of the assessment are you performing?

    • Follow-up

    • Pre-assessment

    • Information gathering

    • Information processing

    Correct Answer
    A. Information gathering
    Explanation
    1-53

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  • 30. 

    What type of respirator is designed to filter a chemical out of the surrounding air?

    • Air-line

    • Air-purifying

    • Atmosphere supplying

    • Closed circuit self-contained breathing apparatuses (SCBA).

    Correct Answer
    A. Air-purifying
    Explanation
    duh

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  • 31. 

    Which is the term for radioactive materials packed into an improvised explosive device (IED) using conventional explosives?

    • Radiological emission device (RED)

    • Radiological dispersal device (RDD).

    • A nuclear warhead

    • A football

    Correct Answer
    A. Radiological dispersal device (RDD).
    Explanation
    FOOTBALL! DUNA DUN!!!! DUNA DUN!!!!

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  • 32. 

    Personnel who issue respirators are briefed how often and by whom concerning the issue of respirator parts?

    • Semi-annually; by respirator manufacturer

    • Annually; by respirator manufacturer.

    • Semi-annually; by supervisor

    • Annually; by supervisor

    Correct Answer
    A. Annually; by supervisor
    Explanation
    3-19

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  • 33. 

    If a toxic industrial chemicals and toxic industrial materials vulnerability assessment final report identifies and associates a vulnerability to a specific US military site, it must receive what classification?

    • TOP SECRET

    • CONFIDENTIAL or SECRET

    • FOR OFFICIAL USE ONLY

    • UNCLASSIFIED

    Correct Answer
    A. CONFIDENTIAL or SECRET
    Explanation
    6-25

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  • 34. 

    Which is one of the organizations that performs surveys of natural bathing areas?

    • Services

    • Security forces

    • Fire Department

    • Environmental flight

    Correct Answer
    A. Services
    Explanation
    1-71

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  • 35. 

    What is the minimum number service connections required for a system to be classified as a Public Water System?

    • 10

    • 15

    • 25

    • 50

    Correct Answer
    A. 15
    Explanation
    1-12

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  • 36. 

    What has the purpose to assist commanders in reducing water-related risks from all causes to personnel and mission-essential operations to an acceptable level?

    • Site examination

    • Base Sanitary Survey

    • Aircraft Watering Point Survey

    • Water Vulnerability Assessment

    Correct Answer
    A. Water Vulnerability Assessment
    Explanation
    1-50

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  • 37. 

    During your indoor air quality investigation, you document several drip pans with standing water. Which recommendation would be most desirable?

    • Eliminate source of water

    • Increase fresh air rate

    • Rebalance system

    • Replace filters

    Correct Answer
    A. Eliminate source of water
    Explanation
    In order to improve indoor air quality, it is important to address any sources of moisture or standing water. This is because standing water can lead to the growth of mold and other harmful microorganisms, which can negatively impact air quality. By eliminating the source of water, such as fixing leaks or ensuring proper drainage, the potential for mold growth and the associated health risks can be minimized. This recommendation is therefore the most desirable in this situation.

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  • 38. 

    What method of fit-testing must be used when specified by an Occupational Safety and Health Act (OSHA) substance specific standard?

    • Qualitative

    • Quantitative

    • Positive pressure

    • Expanded standards

    Correct Answer
    A. Quantitative
    Explanation
    3-14

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  • 39. 

    When evaluating the HAZCOM program, what will a shop supervisor need to provide during an Occupational and Environmental Health (OEH) site assessment?

    • Written HAZCOM program documentation

    • Shop safety PowerPoint slides

    • A opportunity to talk to some of the workers

    • Both a and c

    Correct Answer
    A. Both a and c
    Explanation
    5-16

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  • 40. 

    Under the disaster response force’s organization structure, who will respond to an incident with the mission of establishing initial command and control?

    • Emergency support functions

    • Emergency responders

    • First responders

    • Command staff

    Correct Answer
    A. First responders
    Explanation
    6-11

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  • 41. 

    What hazard classification for a cross-connection is also defined as contamination?

    • Low

    • High

    • Routine

    • Potential

    Correct Answer
    A. High
    Explanation
    1-22

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  • 42. 

    Which interview questionnaire is designed to be the initial checklist used when conducting the joint interview of Air Force system owner/operator stakeholders?

    • Water Purveyor

    • Water Security and Survivability

    • Base Potable Water System Overview

    • Anti-Terrorism Program Review for Water

    Correct Answer
    A. Base Potable Water System Overview
    Explanation
    1-53

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  • 43. 

    Which should not be included in the consumer confidence report?

    • The likely source of contaminant in the local drinking water supply

    • The water system’s compliance with other drinking water-related rules

    • The formulas used to reach the assessment results on local contamination

    • How to get a copy of the water system’s complete source water assessment

    Correct Answer
    A. The formulas used to reach the assessment results on local contamination
    Explanation
    1-62

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  • 44. 

    The swimming pool manager or lifeguard measures pH at least once every?

    • Hour

    • 2 hours

    • 3 hours

    • Day

    Correct Answer
    A. 2 hours
    Explanation
    1-68

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  • 45. 

    What type of respirator is designed to be used only in an emergency?

    • Air-line respirator

    • Escape respirator

    • Particulate respirator

    • Air purifying respirator with organic vapor cartridge

    Correct Answer
    A. Escape respirator
    Explanation
    3-8

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  • 46. 

    How would a confined space that does not actually or potentially contain hazards that could cause death or serious physical harm be classified?

    • Class I space

    • Class II space

    • Permit required space

    • Non-permit required space

    Correct Answer
    A. Non-permit required space
    Explanation
    3-6

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  • 47. 

    What are two parameters at a given point in ventilation systems that are needed to calculate the air flow volume?

    • Area and pressure

    • Area and velocity

    • Velocity and pressure

    • Diameter and velocity

    Correct Answer
    A. Area and velocity
    Explanation
    2-18 ?

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  • 48. 

    What circumstance would result in a high K factor?

    • Adequate mixing of air

    • Higher contaminant toxicities

    • An even evolution of contaminant

    • A high occupational exposure limit

    Correct Answer
    A. Higher contaminant toxicities
    Explanation
    2-67 821 3.

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  • 49. 

    Which atmospheric characteristics classify a confined space as permit-required?

    • No recognized safety or health hazards

    • The oxygen level is between 19.5 percent and 23.5 percent

    • Contains a material that has the potential for engulfing an entrant

    • No credible potential for hazardous atmosphere engulfment or entrapment

    Correct Answer
    A. Contains a material that has the potential for engulfing an entrant
    Explanation
    3-6

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Quiz Review Timeline (Updated): Jan 6, 2025 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 06, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 07, 2017
    Quiz Created by
    Stewie

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