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Quizzes > Business & Finance > Business & Industry

Ace the CDC 2A651F General Maintenance Information Quiz

Ready to master hazardous materials handling? Test your skills in our maintenance supply function quiz!

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
paper art illustration showing maintenance tools hazard symbols and supply crates for 2A651F CDC quiz dark blue background

Calling all Air Force maintainers: it's time to elevate your 2A651F CDC mastery! Our CDC 2A651 quiz challenges your knowledge in the General Maintenance Information quiz, hazardous materials handling quiz procedures, and maintenance supply function quiz essentials. Jump into scenario-based questions mirroring real-world maintenance tasks - from troubleshooting gear issues to managing supply inventories. Each timed section offers instant feedback, detailed score reports, and focused study tips. Ready to level up? Try the 2A651 Air Force certification quiz or brush up with the CDC EOC practice quiz. Click start now and soar toward mission success!

Which Air Force Specialty Code (AFSC) corresponds to the 2A651F CDC specialization?
Vehicle Maintenance Crew Chief
Munitions Systems Specialist
Aircraft Fuel Systems Journeyman
Avionics Technician
The AFSC 2A651F specifically denotes an Aircraft Fuel Systems Journeyman, responsible for maintaining and troubleshooting aircraft fuel delivery systems. This is distinct from avionics or munitions specialties. AF Fact Sheet: Aerospace Maintenance
What form is used to record aerospace vehicle inspection and repair history?
AFTO Form 781
AFTO Form 95
DD Form 1574
AF Form 2005
AFTO Form 95 is the primary record for inspection and repair history of aerospace vehicles, tracking maintenance actions over time. The AFTO Form 781 is for flight records and status. AF E-Publishing Index
Which personal protective equipment (PPE) is mandatory when handling corrosive hazardous materials?
Respirator only
Cotton gloves and safety vest
Hearing protection and steel-toe boots
Chemical-resistant gloves and goggles
Corrosive materials can cause severe skin and eye damage, so chemical-resistant gloves and goggles are required to prevent contact. Other PPE may complement but are not sufficient alone. OSHA Hazard Communication
What color code identifies flammable liquids in the Hazardous Materials Identification System (HMIS)?
Blue
Red
Green
Yellow
In HMIS, the color red denotes flammability hazards, indicating a material's potential to ignite. Blue is health hazard, yellow is reactivity, and green is general information. OSHA HMIS Guide
Which component prevents backflow of fuel in aircraft fuel systems?
Pressure regulator
Check valve
Fuel pump
Fuel strainer
A check valve allows fluid flow in one direction and prevents backflow, protecting fuel system integrity. Pressure regulators maintain pressure, strainers filter, and pumps move fuel. FAA Fuel System Basics
What does 'MSDS' stand for in hazardous materials management?
Mechanical System Diagnosis Sheet
Material Safety Data Sheet
Material Supply Deployment Summary
Material Safety Design Standard
MSDS stands for Material Safety Data Sheet, which provides detailed information on chemical properties, hazards, handling, and emergency measures. It's now being replaced by SDS under the GHS. OSHA MSDS Guide
Which AFMAN outlines procedures for hazardous materials management in maintenance shops?
AFMAN 91-203
AFMAN 23-122
AFMAN 21-101
AFMAN 33-363
AFMAN 91-203 covers the Hazardous Material Management Process, detailing labeling, storage, and disposal in maintenance facilities. AFMAN 21-101 covers maintenance, 23-122 supply, and 33-363 recordkeeping. AF E-Publishing Index
What is the primary purpose of an Inventory Management Listing (IML)?
Plan hazardous waste disposal
Track on-hand quantities and usage rates
Record flight hours
Schedule maintenance tasks
An Inventory Management Listing (IML) tracks on-hand stock levels, usage rates, and reorder points, ensuring supply availability. It's not used for maintenance scheduling or flight logs. AF Supply Publications
Which directive mandates the 2A651F qualification training standards?
AFI 91-204
AFI 21-101
AFI 36-2201
AFI 32-4001
AFI 36-2201 outlines on-the-job training (OJT) and qualification standards for Air Force specialty codes, including 2A651F. AFI 21-101 covers maintenance policies. AF E-Publishing
What is the maximum allowable storage time for certain flammable liquids in a standard safety cabinet?
60 days
120 days
30 days
90 days
OSHA permits up to 60 days of storage for Class I flammable liquids in an approved cabinet outside of a flammable storage room. Exceeding this requires a flammable storage room. OSHA 1910.106
Which document authorizes the issue and turn-in of maintenance supply items?
Equipment Custodian Authorization
Supply Discrepancy Report
Document Control Number (DCN)
Maintenance Job Order
A Document Control Number (DCN) authorizes supply issue and turn-in transactions in the maintenance supply chain, ensuring traceability. Job orders direct maintenance, not supply. AF Fact Sheet
How often must hazardous material inventories be updated per AFMAN standards?
Monthly
Quarterly
Annually
Semi-annually
AFMAN 91-203 requires hazardous material inventories to be updated quarterly to maintain accurate records and ensure safety controls. Annual or less frequent updates do not meet the standard. AF E-Publishing
What is the purpose of a compatibility chart in hazardous materials handling?
Determine flammability ratings
Calculate storage space
Identify required PPE
Prevent mixing of incompatible wastes
A compatibility chart ensures that incompatible hazardous wastes are not stored together, preventing dangerous chemical reactions. It does not assess flammability ratings or PPE requirements. EPA Waste Generators
Which supply status code indicates an item is beyond economical repair?
RP
SB
RL
XR
The status code XR stands for 'Beyond Repair,' indicating an item is beyond economical repair. RP is reparable, SB is suspended, RL is re-locatable. AF Supply Instructions
What is the primary function of a fuel boost pump in an aircraft fuel system?
Measure fuel temperature
Increase pressure to the engine fuel pump
Filter out debris
Act as a surge tank
A fuel boost pump raises fuel pressure so that the engine-driven pump receives a steady supply, preventing cavitation and ensuring consistent fuel flow. Filters remove debris, not pumps. FAA Airplane Flying Handbook
Which AFTO form is used for documenting maintenance and servicing actions on engines?
AFTO Form 95
AFTO Form 109
AFTO Form 244
AFTO Form 797
AFTO Form 109, Engine Data Report, records engine maintenance, inspections, and servicing actions. Form 244 is a maintenance discrepancy and work document. AF E-Publishing
What does the Supply Discrepancy Report (SDR) address?
Hazardous waste shipments
Overdue turn-ins
Excess inventory status
Loss, damage, or defect of issued items
An SDR documents loss, damage, or defects found upon receipt of supply items, initiating investigation and financial liability actions. It does not cover inventory status or waste. AF Fact Sheet
In hazardous materials labeling, which diamond indicates health hazards?
White
Red
Blue
Yellow
The NFPA hazard diamond uses blue to represent health hazards, red for flammability, yellow for reactivity, and white for special information. NFPA Hazard Identification
Which item on-hand code indicates a national stock number (NSN) item is not stocked at a base level?
Code XD
Code XB
Code XJ
Code XF
An XD code indicates the item is not stocked locally and must be requisitioned from a higher echelon. XB is bench stock, XJ is due-in, XF is field level repair. AF Supply
What does the Local Purchase Price List (LPPL) provide?
Unit prices for locally procured items
Hazardous materials listing
Equipment technical data
Global NSN cross-reference
The LPPL lists approved local purchase items and their unit prices, facilitating cost-effective procurement. It does not cover global NSN cross-references or technical manuals. DLA
Which procedure must be followed before returning a fuel system component to supply?
Update the Vehicle Dispatch List
Create a Dispatcher Work Schedule
Record serviceable status on AFTO Form 350
Submit a Hazardous Waste Manifest
AFTO Form 350 tracks equipment history and status, indicating when a component is serviceable for return to supply. Hazardous Waste Manifest applies to waste shipments. AF E-Publishing
What is the standard disposal method for expired lubricants under AF hazardous waste regulations?
Dilution and sewer disposal
Managed through a cradle-to-grave waste contractor
Incineration on base
Open burning
Expired lubricants are hazardous wastes and require management by a licensed contractor under the cradle-to-grave program per EPA and AF regulations. Incineration on base or sewer disposal is prohibited. EPA Waste Generators
In maintenance supply, what does the Explosive Safety Quantity Distance (ESQD) calculation determine?
Inventory consumption rates
Maximum shelf life of hazardous items
Safe separation distances for explosive storage
Optimal container fill levels
ESQD calculations ensure that explosive storage areas maintain proper separation distances to protect personnel and property. It's unrelated to shelf life or inventory rates. AFMAN 91-201
Which condition must be met before a fuel cell is declared serviceable?
Stored in a climate-controlled facility
Installed in the aircraft and flown
Passes a leak check and visual inspection
Cleaned with any approved solvent
A fuel cell must pass both a leak check and visual inspection to ensure integrity before issuance. Solvent cleaning alone or storage conditions don't guarantee serviceability. FAA Advisory Circulars
What is the primary role of the Material Support Liaison (MSL) in maintenance supply?
Oversee flight scheduling
Manage hazardous waste programs
Develop technical orders
Coordinate supply support for maintenance activities
The MSL acts as the focal point for coordinating supply deliveries, resolving shortages, and expediting parts for maintenance. They are not responsible for waste programs or flight operations. AF Fact Sheet
Which numeric system identifies an item's allowance user list (AUL) status?
Due-In Control Number
Priority Designator Code
Logistics Control Number
National Item Identification Number
The Priority Designator Code within the AUL indicates how items are allocated based on mission needs. Neither LCIN, DI, nor NIIN reflect AUL status. DLA Logistics
During a fuel contamination check, which particulate size must be filtered according to AF standards?
5 microns
50 microns
100 microns
10 microns
AF fuel cleanliness standards require filtering particulates 10 microns and larger to prevent engine damage. Smaller or larger thresholds do not meet the specification. FAA Advisory Circulars
Which AFTO form documents ground servicing system malfunctions?
AFTO Form 395
AFTO Form 1493
AFTO Form 22
AFTO Form 781A
AFTO Form 395 is used for recording ground servicing equipment maintenance. Form 1493 is a TR checklist, 781A is continuation, and 22 is a technical order change recommendation. AF E-Publishing
What is the required action when a hazardous material's shelf life is exceeded in the supply warehouse?
Initiate shelf-life disposal procedures
Repackage and relabel
Store separately awaiting use
Extend shelf life by inspection
Expired shelf-life hazardous materials must follow disposal or demilitarization procedures, not extension or repackaging. This prevents use of degraded materials. EPA Waste Generators
Which supply system identifies low-density items for consolidated shipping?
High Priority Movement Service
Excess Transportation Allowance
Hazardous Material Consolidation
Consolidated Shipments Program (CSP)
The CSP groups low-density items to maximize container fill and reduce transportation costs. Other programs handle different priorities or hazmat specifics. DLA CSP
When performing a fuel system pressure check, which pressure tolerance is acceptable per technical order?
±10 psi of specification
±3 psi of specification
±5 psi of specification
±1 psi of specification
Most aircraft fuel system technical orders specify a ±3 psi tolerance during pressure checks to ensure safe operation. Tighter or looser tolerances could mask issues or cause false failures. AF Technical Orders
In supply management, what does EFDL stand for?
Emergency Flight Demand List
Electronic Fund Disbursement Log
Excess Federal Distribution List
Estimated Future Demands List
EFDL stands for Estimated Future Demands List, forecasting supply requirements based on historical usage to optimize stock levels. It's not related to flight demands or financial logs. DLA Logistics
Which category of hazardous waste includes spent solvents contaminated with chlorinated compounds?
F-listed waste
U-listed waste
P-listed waste
K-listed waste
F-listed wastes are non-specific source wastes like spent solvents contaminated with chlorinated compounds. K-listed are source-specific, P/U are acutely hazardous. EPA Hazardous Waste Listings
What does a zero balance indicator on a requisition cycle document imply?
Backorder status pending
Item is obsolete and canceled
Requisition matches receipts and issues
No demand for item in last quarter
A zero balance indicator shows that total requisition quantities are fully satisfied by receipts and issues, leaving no outstanding balance. It does not reflect obsolescence or demand patterns. AF Supply Guidance
Which clause in a supply contract ensures replacement of defective parts at no cost?
Delivery order clause
Liquidated damages clause
Warranty clause
Bid protest clause
A warranty clause obligates the supplier to replace or repair defective items at no additional cost. Other clauses address contract disputes or schedules, not defects. DLA Acquisition
What is the purpose of a suspended stock control action?
Mark items for disposal
Temporarily freeze transactions until resolution
Convert parts to bench stock
Accelerate delivery schedules
Suspended stock control halts supply transactions on an item while an issue is investigated, preventing further errors. It does not speed delivery or designate disposal. AF Supply Procedures
Which inspection interval applies to fuel cell overhaul per AF technical order?
5 years
7 years
10 years
12 years
Most AF technical orders require fuel cell overhauls every 10 years to ensure integrity and prevent leaks. Shorter or longer intervals do not meet the specified overhaul requirement. AF Technical Orders
Which code signals an item is repairable by a base-level maintenance activity?
DD
SR
US
NI
SR (Serviceable Repairable) indicates items repairable at the base level using bench or backshop resources. US (Unserviceable), NI (Not Inventory), and DD (Due Date) are different designations. DLA Supply Codes
What algorithm does the Air Force use to forecast repair cycle requirements for flight-critical items?
Linear regression of past usage
Exponential smoothing
Simple moving average
Weibull distribution analysis
The Air Force often uses Weibull distribution to model failure rates and forecast repair cycles for critical components due to its flexibility in representing life data. Other methods are used but less precise for failure modeling. RAND Reliability Analysis
In supply chain risk management, which metric assesses vulnerability to single source suppliers?
Supplier Criticality Index
Mean Time Between Failures
Order Fill Rate
Cycle Time Variance
The Supplier Criticality Index quantifies risk by evaluating how critical a supplier is and the availability of alternatives. MTBF measures reliability, not supply risk. PMI Risk Management
Which database system integrates Maintenance Information System (MIS) and supply records for readiness reporting?
JPALS
IUID Registry
ALIS
GCSS-AF
GCSS-AF (Global Combat Support System - Air Force) integrates maintenance, supply, and logistics data for real-time readiness reporting. ALIS is for F-35 logistics, JPALS for navigation, and IUID tracks asset tags. GCSS-AF Overview
Which cost element is excluded from calculating the Materiel Obligation Validation (MOV)?
Handling charges
Contract administrative fees
Material purchase price
Transportation surcharges
MOV focuses on material cost to validate commitments and excludes transportation surcharges to reflect actual item value. Administrative and handling fees are part of contract cost but not material obligation. DLA Funding Guidance
In the AEF Tempo Band model, which category indicates tasks that cannot be deferred beyond 180 days?
Tempo Band C
Tempo Band A
Tempo Band D
Tempo Band B
Tempo Band B covers tasks with a deferral limit of 31 to 180 days. Band A is immediate, C and D are longer-term. This categorization helps prioritize maintenance scheduling. AF Deployment Wing
Which analytical method determines optimal stock levels by minimizing total inventory cost, including ordering and holding costs?
ABC Analysis
Just-In-Time (JIT)
Safety Stock Calculation
Economic Order Quantity (EOQ)
EOQ calculates the ideal order quantity that minimizes combined ordering and holding costs. JIT focuses on minimal inventory, ABC categorizes items, and safety stock covers demand variability. EOQ Definition
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Study Outcomes

  1. Understand 2A651F Maintenance Fundamentals -

    Develop a clear grasp of general maintenance information, including key terminology and core principles covered in the CDC 2A651 quiz.

  2. Identify Hazardous Materials -

    Recognize and classify common hazardous materials encountered in maintenance operations to ensure compliance and safety.

  3. Apply Safe Handling Procedures -

    Implement industry-standard protocols for storage, handling, and disposal of hazardous substances to minimize risk and environmental impact.

  4. Analyze Maintenance Supply Functions -

    Evaluate supply chain processes, inventory control methods, and requisition procedures essential for efficient maintenance support.

  5. Interpret Documentation and Reporting -

    Demonstrate proficiency in completing maintenance supply records and using proper documentation practices to support operational readiness.

  6. Assess Practical Scenarios -

    Solve real-world situations presented in the General Maintenance Information quiz to reinforce decision-making skills under simulated conditions.

Cheat Sheet

  1. Hazardous Materials Classification -

    Review the NFPA 704 diamond and HMIS labeling systems to quickly identify health, flammability, and reactivity hazards - each quadrant uses a 0 - 4 rating scale. Remember the UN four-digit number mnemonic "4 Safe Zones" to recall core classes (1 = explosives, 2 = gases, 3 = flammables, 4 = oxidizers), based on OSHA and DOT guidelines. Consistent labeling ensures you pass the CDC 2A651 quiz's hazard ID questions with confidence.

  2. Safety Data Sheet (SDS) Interpretation -

    Master the 16-section SDS layout from OSHA's Hazard Communication Standard to locate chemical properties, first-aid measures, and PPE requirements in seconds. Use the acronym "PPE-First" (Personal, Protective, Equipment - Find Identification, Selection, Testing) to remember sections 8 - 9 deal with exposure controls and physical data. Proficiency here is critical for hazardous materials handling quiz scenarios.

  3. Spill Response & PPE Selection -

    Follow the "STOP" method (Secure area, Treat source, Observe hazards, Protect responders) when a spill occurs - sourced from EPA spill response protocols. Match chemical resistance codes in the SDS to glove and apron materials by using the simple chart: N = Nitrile, V = Vinyl, C = Chemical-resistant PVC. This approach boosts your maintenance mastery in practical CDC 2A651 quiz simulations.

  4. Inventory Management & Reorder Points -

    Apply the Economic Order Quantity (EOQ) formula, √((2DS)/H), where D is demand rate, S is order cost, and H is holding cost, to minimize total inventory expenses - validated by university supply chain research. Use FIFO (First-In, First-Out) in physical stockrooms to prevent obsolete parts and streamline audits for maintenance supply function quiz items. Consistent record-keeping in your CMMS cements these principles in real-world practice.

  5. National Stock Number (NSN) Structure -

    Memorize the 13-digit NSN format: two-digit Federal Supply Class + eleven-digit National Item Identification Number (use the mnemonic "FSClass-BatchID") to quickly decode part types. Understanding NSN hierarchy from DLA directives accelerates requisition, issue, and turn-in processes - key topics in the General Maintenance Information quiz. Confident NSN use ensures you'll ace maintenance supply function questions.

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