NYC Custodian Engineer Exam With Actual
Questions & Verified Answers, Plus
Explained Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary responsibility of a NYC Custodian Engineer?
A. Teaching students
B. Maintaining building systems and safety
C. Managing school curriculum
D. Supervising teachers
Rationale: Custodian Engineers are responsible for maintaining
building operations, safety, and infrastructure systems.
2. Which system is responsible for controlling building temperature?
A. Plumbing
B. Electrical
C. HVAC
D. Fire alarm
Rationale: HVAC systems regulate heating, ventilation, and air
conditioning within buildings.
3. What does OSHA stand for?
A. Office Safety Health Agency
B. Occupational Safety and Health Administration
C. Organization for Safety and Hazard Analysis
D. Occupational Standards Health Authority
Rationale: OSHA is the federal agency responsible for workplace
safety regulations.
,4. Which device detects smoke?
A. Sprinkler
B. Heat sensor
C. Smoke detector
D. Alarm bell
Rationale: Smoke detectors identify smoke particles and trigger
alarms.
5. What is the main purpose of a boiler?
A. Cooling air
B. Heating water or producing steam
C. Filtering air
D. Generating electricity
Rationale: Boilers heat water or produce steam for heating
systems.
6. Which type of maintenance is scheduled regularly?
A. Emergency
B. Reactive
C. Preventive
D. Corrective
Rationale: Preventive maintenance is planned to avoid system
failures.
7. What is a fire extinguisher used for?
A. Detecting fire
B. Preventing fire alarms
C. Putting out small fires
D. Cooling systems
Rationale: Fire extinguishers are used to suppress small fires
before they spread.
, 8. What is the safe way to lift heavy objects?
A. Bend at the waist
B. Keep legs straight
C. Use your legs and keep back straight
D. Twist while lifting
Rationale: Proper lifting technique prevents injury by using leg
muscles.
9. Which tool measures electrical voltage?
A. Thermometer
B. Voltmeter
C. Pressure gauge
D. Hygrometer
Rationale: A voltmeter measures electrical potential difference.
10. What is the function of a circuit breaker?
A. Increase voltage
B. Protect electrical circuits from overload
C. Store electricity
D. Generate power
Rationale: Circuit breakers interrupt electrical flow during
overloads or faults.
11. What is the purpose of a sump pump?
A. Heat water
B. Remove water from basements
C. Supply drinking water
D. Filter air
Rationale: Sump pumps prevent flooding by removing
accumulated water.
12. What type of fire involves electrical equipment?
A. Class A
Questions & Verified Answers, Plus
Explained Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary responsibility of a NYC Custodian Engineer?
A. Teaching students
B. Maintaining building systems and safety
C. Managing school curriculum
D. Supervising teachers
Rationale: Custodian Engineers are responsible for maintaining
building operations, safety, and infrastructure systems.
2. Which system is responsible for controlling building temperature?
A. Plumbing
B. Electrical
C. HVAC
D. Fire alarm
Rationale: HVAC systems regulate heating, ventilation, and air
conditioning within buildings.
3. What does OSHA stand for?
A. Office Safety Health Agency
B. Occupational Safety and Health Administration
C. Organization for Safety and Hazard Analysis
D. Occupational Standards Health Authority
Rationale: OSHA is the federal agency responsible for workplace
safety regulations.
,4. Which device detects smoke?
A. Sprinkler
B. Heat sensor
C. Smoke detector
D. Alarm bell
Rationale: Smoke detectors identify smoke particles and trigger
alarms.
5. What is the main purpose of a boiler?
A. Cooling air
B. Heating water or producing steam
C. Filtering air
D. Generating electricity
Rationale: Boilers heat water or produce steam for heating
systems.
6. Which type of maintenance is scheduled regularly?
A. Emergency
B. Reactive
C. Preventive
D. Corrective
Rationale: Preventive maintenance is planned to avoid system
failures.
7. What is a fire extinguisher used for?
A. Detecting fire
B. Preventing fire alarms
C. Putting out small fires
D. Cooling systems
Rationale: Fire extinguishers are used to suppress small fires
before they spread.
, 8. What is the safe way to lift heavy objects?
A. Bend at the waist
B. Keep legs straight
C. Use your legs and keep back straight
D. Twist while lifting
Rationale: Proper lifting technique prevents injury by using leg
muscles.
9. Which tool measures electrical voltage?
A. Thermometer
B. Voltmeter
C. Pressure gauge
D. Hygrometer
Rationale: A voltmeter measures electrical potential difference.
10. What is the function of a circuit breaker?
A. Increase voltage
B. Protect electrical circuits from overload
C. Store electricity
D. Generate power
Rationale: Circuit breakers interrupt electrical flow during
overloads or faults.
11. What is the purpose of a sump pump?
A. Heat water
B. Remove water from basements
C. Supply drinking water
D. Filter air
Rationale: Sump pumps prevent flooding by removing
accumulated water.
12. What type of fire involves electrical equipment?
A. Class A
