CDC 3E251 - COMPLETE STUDY GUIDE
EXAM QUESTIONS WITH VERIFIED
ANSWERS. A+ GRADE 2025/2026.
Which Air Force Instruction (AFI) replaces and substantially changes 91-series Air Force
Occupational Safety and Health (AFOSH) standards? - ANS AFI 91-203
When no technical order (TO), Air Force instruction (AFI), or operating instruction (OI) covers an
existing hazard, what process can you use to assess risks and determine adequate safeguards or
procedures to manage the risks? - ANS Risk management
Many hazards on the job can be eliminated by - ANS Concentrating on job task
What takes away your ability to react quickly while operating motor vehicles? -
ANS Distraction
According to Air Force Instruction (AFI) 91-207, USAF Traffic Safety Program, what is prohibited
while operating a government owned vehicle while on or off a Department of Defense (DOD)
installation? - ANS Texting
What is the proper way to dismount a piece of equipment? - ANS Facing the machine
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
,Before mounting a piece of equipment, you should do a quick walk around to - ANS Warn
others near the machine to clear away
When operating equipment in confined or hazardous areas, how can you lower the chances of
an accident? - ANS Use a spotter outside the vehicle
Electrical power tools do NOT require grounding if the - ANS Tools are double-insulated
What is produced when you have extension cords plugged into power strips? - ANS Heat
In reference to personnel protective equipment (PPE), which safety equipment items could be
described as the MOST important? - ANS Goggles
Which type of hardhat SHOULD YOU NOT wear on jobs with heavy overhead assembly work
near energized electrical lines? - ANS Metal
Which Air Force Instruction (AFI) publication governs the use of protective devices? - ANS AFI
91-207, USAF Traffic Safety Program
What is an advantage, if any, for drivers and passengers who wore seatbelts when involved in
accidents? - ANS They have a decrease in the severity of their injuries
In reference to protection equipment, what does the acronym "ROPS" stand for? -
ANS Rollover protection system
Which is a TRUE statement about the PRESENCE of a rollover protection system (ROPS)? -
ANS A seatbelt will be worn at all times, with or without ROPS
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
,What MUST you do when a rollover protection system (ROPS) is damaged? - ANS Turn the
vehicle in to maintenance
What MUST every member of your crew wear when working on or near a roadway with traffic?
- ANS Reflective vests
The PRIMARY purpose of traffic control devices is to ensure the safety of - ANS Workers and
pedestrians
Air Force Instruction (AFI) 91-203, Air Force Consolidated Occupational Safety Instruction,
states that civil engineering must use which manual as a guide for planning and placement of
traffic control devices? - ANS Manual on Uniform Traffic Control Devices
In a roadway construction worksite, what is the MOST COMMON type of traffic control device
used in day-to-day operations? - ANS Cone
What is the MAIN factor used to determining the placement of advance warning signs for a
roadway construction work zone? - ANS Speed of the traffic
Which of the five areas of a work zone includes two DISTINCTIVE areas? - ANS Active
In a work zone, what signifies the official end to the termination zone? - ANS "Resume
speed" sign
Which page of the AF Form 1800, Operator's Inspection Guide and Trouble Report, has areas
for operators to sign signifying the completion of the vehicle inspection? - ANS One
Where are the discrepancy item numbers placed on the AF Form 1800, Operator's Inspection
Guide and Trouble Report, when turning in a vehicle to maintenance? - ANS Left-handed
column under "operator report"
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, In regards to vehicle maintenance, which action IS NOT normally and operator's responsibility?
- ANS Changing the transmission fluid
Failure to lubricate a piece of equipment or vehicle properly when required constitutes -
ANS Vehicle abuse
While cleaning a vehicle, where would you find an oil water separator to dispose of engine
degreaser? - ANS In the wash bay
What must be completed for an AF Form 171, Request for Driver's Training and Addition to U.S.
Government Drivers License, to be considered valid for licensing purposes? - ANS Prescribed
training
The only individuals who can sign your AF Form 171, Request for Driver's Training and Addition
to U.S. Government Drivers License, for licensing purposes are those - ANS Designated as
"certifiers"
As a good rule-of-thumb, how many hours of training should you receive before being licensed
to operate a particular piece of equipment or vehicle? - ANS 40
What two things MUST you have to receive a government driver's license? - ANS AF Form
171 and state driver's license
The AF Form 2293 U.S. Air Force Motor Vehicle Operator Identification Card, is used to establish
and update what document? - ANS Individual driver record
What training must you, as a pavements and construction equipment operator, have before
you are certified to drive on the airfield? - ANS Airfield driver's education training
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
EXAM QUESTIONS WITH VERIFIED
ANSWERS. A+ GRADE 2025/2026.
Which Air Force Instruction (AFI) replaces and substantially changes 91-series Air Force
Occupational Safety and Health (AFOSH) standards? - ANS AFI 91-203
When no technical order (TO), Air Force instruction (AFI), or operating instruction (OI) covers an
existing hazard, what process can you use to assess risks and determine adequate safeguards or
procedures to manage the risks? - ANS Risk management
Many hazards on the job can be eliminated by - ANS Concentrating on job task
What takes away your ability to react quickly while operating motor vehicles? -
ANS Distraction
According to Air Force Instruction (AFI) 91-207, USAF Traffic Safety Program, what is prohibited
while operating a government owned vehicle while on or off a Department of Defense (DOD)
installation? - ANS Texting
What is the proper way to dismount a piece of equipment? - ANS Facing the machine
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
,Before mounting a piece of equipment, you should do a quick walk around to - ANS Warn
others near the machine to clear away
When operating equipment in confined or hazardous areas, how can you lower the chances of
an accident? - ANS Use a spotter outside the vehicle
Electrical power tools do NOT require grounding if the - ANS Tools are double-insulated
What is produced when you have extension cords plugged into power strips? - ANS Heat
In reference to personnel protective equipment (PPE), which safety equipment items could be
described as the MOST important? - ANS Goggles
Which type of hardhat SHOULD YOU NOT wear on jobs with heavy overhead assembly work
near energized electrical lines? - ANS Metal
Which Air Force Instruction (AFI) publication governs the use of protective devices? - ANS AFI
91-207, USAF Traffic Safety Program
What is an advantage, if any, for drivers and passengers who wore seatbelts when involved in
accidents? - ANS They have a decrease in the severity of their injuries
In reference to protection equipment, what does the acronym "ROPS" stand for? -
ANS Rollover protection system
Which is a TRUE statement about the PRESENCE of a rollover protection system (ROPS)? -
ANS A seatbelt will be worn at all times, with or without ROPS
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
,What MUST you do when a rollover protection system (ROPS) is damaged? - ANS Turn the
vehicle in to maintenance
What MUST every member of your crew wear when working on or near a roadway with traffic?
- ANS Reflective vests
The PRIMARY purpose of traffic control devices is to ensure the safety of - ANS Workers and
pedestrians
Air Force Instruction (AFI) 91-203, Air Force Consolidated Occupational Safety Instruction,
states that civil engineering must use which manual as a guide for planning and placement of
traffic control devices? - ANS Manual on Uniform Traffic Control Devices
In a roadway construction worksite, what is the MOST COMMON type of traffic control device
used in day-to-day operations? - ANS Cone
What is the MAIN factor used to determining the placement of advance warning signs for a
roadway construction work zone? - ANS Speed of the traffic
Which of the five areas of a work zone includes two DISTINCTIVE areas? - ANS Active
In a work zone, what signifies the official end to the termination zone? - ANS "Resume
speed" sign
Which page of the AF Form 1800, Operator's Inspection Guide and Trouble Report, has areas
for operators to sign signifying the completion of the vehicle inspection? - ANS One
Where are the discrepancy item numbers placed on the AF Form 1800, Operator's Inspection
Guide and Trouble Report, when turning in a vehicle to maintenance? - ANS Left-handed
column under "operator report"
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, In regards to vehicle maintenance, which action IS NOT normally and operator's responsibility?
- ANS Changing the transmission fluid
Failure to lubricate a piece of equipment or vehicle properly when required constitutes -
ANS Vehicle abuse
While cleaning a vehicle, where would you find an oil water separator to dispose of engine
degreaser? - ANS In the wash bay
What must be completed for an AF Form 171, Request for Driver's Training and Addition to U.S.
Government Drivers License, to be considered valid for licensing purposes? - ANS Prescribed
training
The only individuals who can sign your AF Form 171, Request for Driver's Training and Addition
to U.S. Government Drivers License, for licensing purposes are those - ANS Designated as
"certifiers"
As a good rule-of-thumb, how many hours of training should you receive before being licensed
to operate a particular piece of equipment or vehicle? - ANS 40
What two things MUST you have to receive a government driver's license? - ANS AF Form
171 and state driver's license
The AF Form 2293 U.S. Air Force Motor Vehicle Operator Identification Card, is used to establish
and update what document? - ANS Individual driver record
What training must you, as a pavements and construction equipment operator, have before
you are certified to drive on the airfield? - ANS Airfield driver's education training
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
