NJ UST SERVICE TECHNICIAN FULL PRACTICE EXAM (50 QUESTIONS)
Name: __________________________
Date: __________________________
Instructions:
Choose the BEST answer (A–D)
Read carefully—many questions are scenario-based
Some answers may seem correct, but choose the MOST correct action
SECTION 1: REGULATIONS & COMPLIANCE
1. During routine monitoring, you notice an unexplained inventory loss. What is your
FIRST action?
A. Repair the tank
B. Report immediately as a confirmed release
C. Investigate to determine if it is a suspected release
D. Shut down operations
2. A confirmed release has occurred. When must it be reported?
A. Immediately (within 24 hours)
B. Within 72 hours
C. Within 7 days
D. After full investigation
3. A technician performs repairs without certification. This is:
A. Acceptable if supervised
B. A violation
C. Allowed for minor work
D. Only restricted for installations
4. Records of leak detection must be kept for:
A. 1 year
B. 3 years
C. 5 years
D. Until tank closure
5. Which situation requires NJDEP notification?
A. Minor spill fully contained
B. Suspected release
C. Routine maintenance
D. Daily inventory variance under threshold
6. A system fails a compliance test. What is the NEXT step?
A. Resume operation
B. Investigate and take corrective action
C. Ignore if no visible leak
D. Replace entire system immediately
, 7. Who is responsible for compliance at a UST facility?
A. Only the owner
B. Only the technician
C. Owner/operator primarily
D. Fuel supplier
8. Which activity requires proper permitting?
A. Replacing a light bulb
B. Major system modification
C. Checking inventory
D. Cleaning spill bucket
SECTION 2: SYSTEM COMPONENTS
9. During delivery, fuel spills around the fill pipe. Which component likely failed?
A. Shear valve
B. Spill bucket
C. Vent pipe
D. ATG probe
10. A dispenser is struck by a vehicle. Which device prevents fuel discharge?
A. Ball float
B. Shear valve
C. Check valve
D. Sensor
11. Overfill protection activates at high tank levels. What is its purpose?
A. Detect leaks
B. Prevent tank rupture or spill
C. Increase flow rate
D. Monitor pressure
12. A vent line is blocked. What risk increases?
A. Corrosion
B. Tank pressurization
C. Leak detection failure
D. Inventory error
13. Interstitial sensors are used in:
A. Single-wall tanks
B. Double-wall systems
C. Vent pipes
D. Dispensers
14. Corrosion protection failure can lead to:
A. Faster fueling
B. Tank leaks
C. Better pressure
D. Reduced costs
Name: __________________________
Date: __________________________
Instructions:
Choose the BEST answer (A–D)
Read carefully—many questions are scenario-based
Some answers may seem correct, but choose the MOST correct action
SECTION 1: REGULATIONS & COMPLIANCE
1. During routine monitoring, you notice an unexplained inventory loss. What is your
FIRST action?
A. Repair the tank
B. Report immediately as a confirmed release
C. Investigate to determine if it is a suspected release
D. Shut down operations
2. A confirmed release has occurred. When must it be reported?
A. Immediately (within 24 hours)
B. Within 72 hours
C. Within 7 days
D. After full investigation
3. A technician performs repairs without certification. This is:
A. Acceptable if supervised
B. A violation
C. Allowed for minor work
D. Only restricted for installations
4. Records of leak detection must be kept for:
A. 1 year
B. 3 years
C. 5 years
D. Until tank closure
5. Which situation requires NJDEP notification?
A. Minor spill fully contained
B. Suspected release
C. Routine maintenance
D. Daily inventory variance under threshold
6. A system fails a compliance test. What is the NEXT step?
A. Resume operation
B. Investigate and take corrective action
C. Ignore if no visible leak
D. Replace entire system immediately
, 7. Who is responsible for compliance at a UST facility?
A. Only the owner
B. Only the technician
C. Owner/operator primarily
D. Fuel supplier
8. Which activity requires proper permitting?
A. Replacing a light bulb
B. Major system modification
C. Checking inventory
D. Cleaning spill bucket
SECTION 2: SYSTEM COMPONENTS
9. During delivery, fuel spills around the fill pipe. Which component likely failed?
A. Shear valve
B. Spill bucket
C. Vent pipe
D. ATG probe
10. A dispenser is struck by a vehicle. Which device prevents fuel discharge?
A. Ball float
B. Shear valve
C. Check valve
D. Sensor
11. Overfill protection activates at high tank levels. What is its purpose?
A. Detect leaks
B. Prevent tank rupture or spill
C. Increase flow rate
D. Monitor pressure
12. A vent line is blocked. What risk increases?
A. Corrosion
B. Tank pressurization
C. Leak detection failure
D. Inventory error
13. Interstitial sensors are used in:
A. Single-wall tanks
B. Double-wall systems
C. Vent pipes
D. Dispensers
14. Corrosion protection failure can lead to:
A. Faster fueling
B. Tank leaks
C. Better pressure
D. Reduced costs
