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Quizzes > General Knowledge & Mixed > Miscellaneous

Take the 3e6x1 CDC Volume 1 Pre-Test and Test Your Air Force Knowledge

Think you can ace this 3e6x1 air force quiz? Dive in!

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper cut style icons of civil engineer tools and expeditionary gear with quiz text blocks on sky blue background

Calling all 3e6x1 specialists - it's time to dominate the 3e6x1 Air Force CDC Volume 1 quiz! Whether you're prepping with a 3e6x1 pre-test quiz or revisiting key civil engineer ops, this free challenge will put your grasp of expeditionary forces, base infrastructure, and command protocols to the ultimate test. If you've mastered our 1c6x1 CDC quiz or tuned up on the 3d1x3 U.S. Air Force CDC quiz , you know what's at stake. This 3e6x1 air force pre-test quiz boosts exam preparedness by highlighting CE fundamentals and helping you tailor your study strategy. Dive in now, discover your strengths and weaknesses, and turbocharge your readiness for the real CDC exam!

What does CE stand for in the 3E6X1 career field?
Computer Engineering
Civil Engineer
Combat Engineer
Construction Equipment
CE is the abbreviation for Civil Engineer in the Air Force 3E6X1 specialty, encompassing the forces that build and maintain airbases. The CE career field covers base infrastructure, utilities, and rapid expeditionary construction. For details on CE responsibilities, see the Civil Engineer Center website. AFCEC
What does Prime BEEF stand for?
Prime Base Expeditionary Emergency Function
Primary Base Electrical Equipment Facility
Primary Base Engineer Emergency Force
Primary Bunker Erection Engineering Force
Prime BEEF stands for Primary Base Engineer Emergency Force, the Air Force's rapid-response CE team for establishing forward operating bases and repairing facilities. These teams deploy within 72 hours to provide essential engineering support. Learn more about Prime BEEF capabilities on the AFCEC site. AFCEC
What is the Air Force Specialty Code for Civil Engineer?
3E4X1
3E6X1
3E5X1
3E3X1
The 3E6X1 code designates the Civil Engineer career field in the Air Force, covering both base and expeditionary engineering tasks. Each AFSC code's prefix identifies the broad career group and specific specialty. Visit the official e-Publishing site for the complete AFSC directory. e-Publishing
In the context of CE operations, what does MEP stand for?
Mechanical, Electrical, and Plumbing
Materials, Equipment, and Power
Mechanical, Engineering, and Procurement
Maintenance, Engineering, and Planning
MEP stands for Mechanical, Electrical, and Plumbing, referring to the core building systems designed and maintained by CE personnel. Understanding MEP is vital for facility sustainment and utilities management. Official guidance on MEP systems can be found in the AF Engineering Technical Letters. e-Publishing
Who typically leads an Air Force Civil Engineering Squadron?
Civil Engineer Squadron Commander
Maintenance Squadron Superintendent
Operations Group Commander
Base Engineer Director
A Civil Engineering Squadron is usually commanded by a CE Squadron Commander, an officer responsible for all civil engineer activities on base. This officer coordinates among flight chiefs, prime BEEF teams, and support elements. For organizational charts and roles, refer to AFI 38-101. e-Publishing
What is the first step in the Air Force risk management process?
Identify Hazards
Implement Controls
Assess Risks
Supervise Controls
The first step in risk management is to identify hazards associated with a task or operation. Recognizing what can go wrong allows for proper risk assessment and control implementation. More on risk management methodology is in AFI 90-802. e-Publishing
What does ESR stand for in CE expeditionary operations?
Emergency Services Request
Engineering Site Readiness
Expeditionary Site Reconnaissance
Equipment Status Report
ESR stands for Equipment Status Report, a document tracking CE assets' readiness and serviceability in deployment scenarios. Accurate ESRs ensure commanders know what tools and equipment are available. See the Prime BEEF handbook for sample ESR formats. AFCEC
What is the purpose of a Technical Order (TO)?
Issue safety waivers for tasks
Track personnel training requirements
Manage budget and finance records
Provide instructions for operation and maintenance of equipment
Technical Orders are official Air Force publications that provide step-by-step instructions for operating and maintaining equipment. They ensure standardization and safety across all CE tasks. Refer to AFMAN 21-101 for TO management procedures. e-Publishing
What federal act does the Air Force follow for environmental compliance?
National Environmental Policy Act (NEPA)
Endangered Species Act (ESA)
Occupational Safety and Health Act (OSHA)
Clean Air Act (CAA)
NEPA requires federal agencies to assess environmental impacts before major actions like construction. The Air Force integrates NEPA analyses into CE planning to minimize ecological harm. For guidance, see AFI 32-7061. e-Publishing
On engineering drawings, what does the color red typically indicate?
Mechanical ducts
Plumbing lines
Electrical systems
Structural beams
Red on MEP drawings is conventionally used to identify electrical circuits and conduits. Consistent color coding helps crews quickly locate and work on specific systems. Standards for color usage are described in the National CAD Standard. National CAD Standard
Which personal protective equipment (PPE) is mandatory for excavation work?
Fall-arrest harness only
Hard hat and steel-toed boots
Chemical-resistant gloves only
Hearing protection only
Excavation hazards include cave-ins and falling objects, making a hard hat and steel-toed boots required PPE. Other items like high-visibility vests and gloves may also be mandated. OSHA excavation standards detail PPE requirements. OSHA
What is the primary mission of the Air Force fire department on base?
Explosive ordnance disposal
Medical evacuation
Fire prevention and suppression
Aircraft maintenance
Base fire departments focus on preventing and suppressing fires, including structural, vehicle, and aircraft fires. They also conduct fire safety inspections and emergency response drills. Guidance on fire department roles appears in AFI 32-2001. e-Publishing
Under which act is a hazardous waste manifest required?
Clean Water Act (CWA)
Safe Drinking Water Act (SDWA)
Resource Conservation and Recovery Act (RCRA)
Toxic Substances Control Act (TSCA)
RCRA establishes the cradle-to-grave tracking of hazardous waste via manifests to ensure safe disposal. Manifests record shipment details between generators and treatment facilities. AFI 32-7001 covers hazardous material and waste management. e-Publishing
What is the typical deployment readiness timeline for Prime BEEF teams?
24 hours
72 hours
2 weeks
1 week
Prime BEEF teams are expected to be ready to deploy within 72 hours of notification to provide rapid engineering support. This timeline ensures forward bases can be established quickly. Deployment readiness standards are outlined in the Prime BEEF Handbook. AFCEC
Which compaction method is most commonly used for soil stabilization by CE crews?
Static roller compaction
Impact compaction
Pneumatic tire roller compaction
Vibratory compaction
Vibratory rollers are widely used for soil compaction because they efficiently reduce air voids and achieve high density. The technique is effective on granular soils and is standard in runway and road construction. Construction guidance is in UFC 3-250-07. WBDG
What type of foundation is most common for rapid expeditionary operations?
Pier and beam
Basement foundation
Slab on grade
Caisson foundation
Slab-on-grade foundations are preferred for rapid construction because they require minimal excavation and formwork. They provide a solid base for tents, temporary facilities, and modular buildings. Expeditionary construction standards are in the Prime BEEF handbook. AFCEC
Which Air Force Instruction covers Airfield Damage Repair?
AFI 32-1075
AFI 32-1024
AFI 32-9004
AFI 32-1001
AFI 32-1075 provides policy and procedures for Airfield Damage Repair (ADR) operations. It outlines responsibilities, techniques, and safety measures for runway and taxiway restoration. Refer to the e-publishing site for the full instruction. e-Publishing
What parameter does a power-pole continuity tester measure most directly?
Voltage drop
Current flow
Frequency
Resistance only
A continuity tester primarily checks for voltage drop to determine if an electrical path is continuous. Low or zero voltage drop indicates a good connection. Electrical troubleshooting procedures are described in the NFPA 70E standard. NFPA
In CBRN operations, what is the purpose of an overlay map?
Display plumbing runs
Record soil types
Show structural load paths
Depict contamination zones
An overlay map in CBRN tasks identifies areas of contamination and safe zones. It guides decontamination teams and helps protect personnel during missions. CBRN mapping procedures appear in AFMAN 10-2503. e-Publishing
Which erosion control device is most effective at trapping sediment on slopes?
Hay bale barrier
Silt fence
Retaining wall
Riprap
Silt fences are installed along contours to slow runoff and trap sediment before it reaches waterways. They are cost-effective and quick to deploy in field environments. Guidance is in UFC 3-210-10. WBDG
How long is the shelf life of an MRE under ideal storage conditions?
5 years
1 year
2 years
10 years
Meal, Ready-to-Eat (MRE) packages are rated for a 5-year shelf life when stored at 80°F or below. Shelf life decreases with higher temperatures and exposure to sunlight. More on MRE storage is in TM 10-7310-296-13&P. Army Publications
What is the rated load capacity of a 5K forklift?
10,000 pounds
2,500 pounds
7,500 pounds
5,000 pounds
A 5K forklift is rated to lift a maximum of 5,000 pounds under ideal conditions. Overloading can result in tipping or mechanical failure. Operators follow AFMAN 91-203 for vehicle safety. e-Publishing
Which fuel is primarily distributed through CE's fuel systems for jet aircraft?
Diesel #2
JP-8
AvGas 100LL
Jet A-1
Jet A-1 is the standard turbine fuel used by most Air Force aircraft and is managed by CE fuel distribution systems. JP-8 is similar but contains corrosion inhibitors and anti-icing additives. Fuel handling procedures are in AFMAN 23-110. e-Publishing
A deployable plumbing kit typically includes waste storage for how many gallons?
500 gallons
750 gallons
1,000 gallons
250 gallons
Standard CE deployable plumbing kits come with a 750-gallon waste storage bladder to support field facilities. This capacity balances transportability and operational endurance. Detailed kit contents appear in the Prime BEEF equipment lists. AFCEC
Which federal agency regulates environmental programs at Air Force installations?
Environmental Protection Agency (EPA)
National Oceanic and Atmospheric Administration (NOAA)
Occupational Safety and Health Administration (OSHA)
Department of Interior (DOI)
The EPA sets standards and enforces regulations for air, water, and hazardous waste management at federal facilities. The Air Force works under EPA permits and guidance for compliance. AFI 32-7042 details environmental compliance. EPA
What is the primary surveying instrument used by CE for site layout?
GPS handheld unit
Optical level
Theodolite
Total Station
Total Stations combine electronic distance measurement and angle measurement for accurate site layout and topographic surveys. They are integral to precise construction staking. Procedures are in AFMAN 32-1194. e-Publishing
What is the weight of a standard 60-pound bag of concrete mix?
80 pounds
40 pounds
60 pounds
50 pounds
Concrete mix bags are sold by weight, with a 60-pound bag containing approximately 0.45 cubic feet of mix. This standardized weight simplifies ordering and mixing. Technical data sheets are in the Concrete and Asphalt section of UFC 3-250-07. WBDG
What does CFM represent in HVAC systems?
Compressed Fuel Measurement
Current Flow Measurement
Cubic Feet per Minute
Cooling Factor Median
CFM stands for Cubic Feet per Minute, the volumetric airflow rate used in HVAC design and balancing. Accurate CFM measurements ensure proper ventilation and temperature control. The Air Force ventilation criteria are in UFC 3-410-01. WBDG
Which Air Force form is used to report workplace hazards?
AF Form 55
AF Form 457
AF Form 2293
AF Form 797
AF Form 457 is the Hazard Report used to document unsafe conditions and recommend corrective actions. Supervisors and personnel use it to track hazard mitigation. See AFI 91-203 for hazard reporting procedures. e-Publishing
What slope ratio is standard for Type B soil excavations?
1.5:1 (34 degrees)
0.75:1 (53 degrees)
1:1 (45 degrees)
2:1 (26.5 degrees)
Type B soils require a 1H:1V (45-degree) slope to prevent cave-ins during excavation. Soil classification and protective systems are outlined in OSHA 29 CFR 1926 Subpart P. CE personnel must perform soil analysis before digging. OSHA
What color paint is used for airfield taxiway markings?
Red
White
Blue
Yellow
Taxiway markings are painted in yellow to distinguish them from runway markings, which are white. Consistent color-coding improves pilot situational awareness. Refer to FAA AC 150/5340-1 for airfield marking standards. FAA
Under AFI 32-1024, how often must permanent facility inspections occur?
Quarterly
Semi-annually
Annually
Monthly
AFI 32-1024 mandates an annual inspection cycle for permanent facilities to ensure structural integrity and safety compliance. Inspectors check utilities, HVAC, roofing, and load-bearing elements. Inspection protocols are detailed in Chapter 4 of the instruction. e-Publishing
For CBRN decontamination, what is the minimum water flow rate per station in gallons per minute?
20 gpm
15 gpm
5 gpm
10 gpm
CBRN decontamination stations require a minimum 10-gpm flow to effectively remove contaminants from personnel and equipment. This rate balances water conservation with decontamination efficacy. Technical details are in AFMAN 10-2503. e-Publishing
What frequency do CE prime power generators typically produce for aircraft support?
400 Hz
60 Hz
4000 Hz
50 Hz
Aircraft systems use 400 Hz power to reduce transformer and motor size and weight. CE prime power sets generate this frequency to support flight-line operations. Generator specifications are in MIL-STD-704. DLA Quicksearch
Which scale is commonly used for MEP layout drawings in CE projects?
1/8" = 1'-0"
1/2" = 1'-0"
1" = 1'-0"
1/4" = 1'-0"
A 1/4" = 1'-0" scale provides sufficient detail for mechanical, electrical, and plumbing layouts while fitting on standard drawing sheets. This scale is standard in building plans to illustrate component locations clearly. Refer to AIA CAD Layer Guidelines for more on drawing scales. AIA
What does DFAC stand for in base support operations?
Detention Facility
Deployable Forward Air Controller
Defense Fuel Air Command
Dining Facility
DFAC stands for Dining Facility, which provides meal services to base personnel and deployed forces. CE often constructs and maintains DFAC buildings in expeditionary environments. Guidance for DFAC utilities is in UFC 3-600-01. WBDG
What size particle can a standard sand filter remove from water in microns?
0.1 micron
100 microns
1 micron
10 microns
Sand filters with properly graded media can reliably remove particles down to approximately 10 microns from water. This filtration level is essential for potable and gray water systems. Filtration standards are in Army TM 5-814-1. Army Publications
What is the minimum overhead clearance CE crews must maintain under power lines?
10 feet
15 feet
20 feet
5 feet
A 10-foot clearance under power lines is the OSHA minimum to protect personnel and equipment from electrical hazards. Maintaining this distance prevents accidental contact and arc flash incidents. Electrical safety clearances are in OSHA 29 CFR 1910.269. OSHA
Which soil classification system is used by CE for foundation design?
USDA Texture Triangle
AASHTO Soil Classification
Glacial Till Index
Unified Soil Classification System (USCS)
The USCS classifies soils by grain size and plasticity, guiding foundation design and compaction requirements. It's the Air Force's chosen system for geotechnical evaluations. Details appear in UFC 3-220-10. WBDG
What is the purpose of AF Form 332?
Base Civil Engineer Work Order
Equipment Maintenance Log
Hazardous Material Inventory
Environmental Compliance Report
AF Form 332 is used to request and document CE maintenance and construction work on base facilities. It tracks job details, costs, and completion status. AFI 32-1023 covers facility work request procedures. e-Publishing
Which extinguishing agent is found in a 50-pound BC fire extinguisher?
Water
Foam
Dry chemical
Carbon dioxide
BC-rated extinguishers contain sodium bicarbonate or potassium bicarbonate dry chemicals effective on flammable liquid and electrical fires. These extinguishers are common in vehicle and machinery areas. Fire protection standards are in NFPA 10. NFPA
What does QPL refer to in procurement?
Qualified Products List
Quick Purchase List
Quality Performance Level
Quantity Price List
A Qualified Products List identifies manufacturers and products approved for use in military systems. QPL items have passed testing and meet stringent specifications. Procurement guidance is in MIL-HDBK-61. DLA Quicksearch
For water distribution mains, what is the maximum allowable leak rate per 1,000 feet?
5 gallons per minute
20 gallons per minute
10 gallons per minute
50 gallons per minute
UFC standards specify that water distribution systems must not exceed 20 gpm leaks per 1,000 feet of main. Higher leak rates indicate system deterioration requiring repair. Water utility maintenance criteria are in UFC 3-230-11. WBDG
What seismic design category is most common for continental U.S. Air Force bases?
Category D
Category C
Category B
Category A
Category B covers low seismic risk areas typical of many U.S. inland bases. Design Category B structures require minimal seismic detailing. Requirements are outlined in UFC 3-310-05. WBDG
In structural steel, what does W14x22 signify?
Wide flange beam 14 inches deep weighing 22 pounds per foot
Welded section, 14x22 inches
Cold-formed channel, 14x22 inches
Wide flange beam 14 inches deep weighing 14 pounds per foot
W14x22 denotes a wide-flange steel beam 14 inches deep with a mass of 22 pounds per foot. Engineers select sizes based on structural load requirements. Steel designations follow ASTM A6 standards. ASTM
Emergency lighting in facilities must provide how many minutes of battery backup?
30 minutes
60 minutes
120 minutes
90 minutes
Exit and emergency lighting systems require a minimum of 90 minutes of battery backup to ensure safe egress during power failures. This standard is set by NFPA 101 Life Safety Code. Installation guidelines appear in UFC 3-530-01. NFPA
Which coating is commonly used to prevent corrosion on fuel storage trucks?
Alkyd enamel
Rubberized undercoating
Zinc phosphate only
Epoxy primer and polyurethane topcoat
An epoxy primer followed by a polyurethane topcoat provides durable corrosion protection for fuel truck exteriors. This two-coat system resists chemicals and UV exposure. Coating specifications are in MIL-PRF-23377. DLA Quicksearch
According to UFC 3-101-01, what is the minimum standoff distance required for high-explosive storage magazines?
500 feet
750 feet
1,000 feet
1,500 feet
UFC 3-101-01 mandates a 1,000-foot standoff distance between high-explosive magazines and inhabited buildings or public roads. This reduces risk in case of accidental detonation. Detailed explosive safety distances are in Department of Defense standards. WBDG
Under NEPA, when can a project qualify for a categorical exclusion?
When it is in an existing facility
When it does not individually or cumulatively have significant environmental effects
When the commander approves it
When it costs less than $1 million
A categorical exclusion applies when a proposed federal action has no significant environmental effects based on prior analysis. It streamlines NEPA review by bypassing an Environmental Assessment. Criteria for exclusions are in CEQ regulations. CEQ
Which component is prioritized in the Expeditionary Payload Rapid (EPR) planning module?
Command and Control
Logistics Supply
Force Protection
Medical Support
EPR modules prioritize Command and Control to establish leadership and communications quickly in expeditionary settings. This focus ensures mission command is operational from the outset. EPR planning guidance is in AFH 10-244. e-Publishing
In an AF-level Design-Build contract, who holds primary responsibility for design errors?
The Air Force Program Manager
The design-build contractor
The Contracting Officer
The CE Project Engineer
Under Design-Build contracts, the contractor assumes responsibility for both design and construction, including any design deficiencies. This approach streamlines project delivery and risk management. Contract terms are defined in FAR Part 36. Acquisition.gov
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Study Outcomes

  1. Understand Civil Engineer Organizations -

    Describe the structure and functions of key Air Force civil engineer organizations as outlined in the 3e6x1 CDC Volume 1.

  2. Analyze Expeditionary Force Concepts -

    Explain deployment processes and operational roles of expeditionary forces in civil engineer mission sets.

  3. Apply Core Maintenance and Repair Principles -

    Use foundational maintenance guidelines and repair techniques to solve typical 3e6x1 Air Force scenarios.

  4. Evaluate Emergency Response Protocols -

    Assess procedures for contingency planning and emergency response in civil engineer operations.

  5. Leverage Instant Quiz Feedback -

    Interpret your performance in the 3e6x1 pre-test quiz to pinpoint strengths and target areas for improvement.

  6. Navigate CDC Volume 1 Content Effectively -

    Locate and reference critical information within the 3e6x1 CDC Volume 1 to support ongoing learning and mission readiness.

Cheat Sheet

  1. USAF Civil Engineer Squadron Structure -

    Get to know the four CES flights - Engineering, Operations, Resources, and Readiness - using the "EORR" mnemonic (pronounced "error") to recall "Engineers Operate Resources Ready." These flights appear throughout your 3e6x1 CDC Volume 1 and are often tested on org charts and mission briefs. Familiarity with squadron roles helps you ace the 3e6x1 pre-test quiz by matching functions to flight names.

  2. Expeditionary Forces: Prime BEEF vs RED HORSE -

    Prime Base Engineer Emergency Force (Prime BEEF) and Rapid Engineer Deployable Heavy Operations Repair Squadron Engineers (RED HORSE) support contingency ops worldwide. Remember "BEEF builds basic beds" for austere bases and "RED HORSE rides heavy equipment" for large-scale construction, a trick straight from the 3e6x1 air force manual. Knowing their deployment timelines and capabilities scores points on questions about expeditionary engineering.

  3. Hydraulic Principles & Water Distribution -

    Master Bernoulli's equation (P + ½ϝv² + ϝgh = constant) and the continuity formula (Q = A×v) to calculate pressure and flow in mains - common civilian and military water projects. For a quick check, use head loss h_f = f (L/D) (v²/(2g)) for friction loss estimates. Engineering formulas like these flash up on the 3e6x1 CDC Volume 1 and 3e6x1 pre-test quiz, so practice solving one sample pipe flow per day.

  4. Environmental Compliance & NEPA Process -

    Follow AFI 32-7061's three NEPA tiers - Categorical Exclusion (CX), Environmental Assessment (EA), and Environmental Impact Statement (EIS) - to screen projects. A handy mnemonic is "Cats Eat Icecream" (CX→EA→EIS) so you never skip a step. This sequence is crucial for exam questions on environmental planning in the 3e6x1 air force curriculum.

  5. Emergency Management & Fire Protection -

    Understand the five emergency management phases - anticipate, prevent, mitigate, prepare, respond, and recover - using the phrase "Always Plan Many Practical Response Recoveries." Fire protection basics, like NFPA standards and risk assessment, tie into base defense. Expect scenario-based questions on chemical spills and mass casualty drills in your 3e631 air force and 3e6x1 pre-test quiz.

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