NYC DCAS Mate Examination Exam Practice
Questions And Correct Answers (Verified
Answers) Plus Rationale 2026 Q&A| Instant
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1. A Mate working on a city-operated vessel is primarily responsible for
which of the following duties?
A. Designing marine engines
B. Performing navigational, deck, and supervisory duties on vessels
C. Managing city budgets for transportation projects
D. Inspecting airport runways
Answer: B
Rationale: A Mate typically performs operational and supervisory
duties aboard vessels including navigation support, deck operations,
and crew oversight rather than engineering design or administrative
budgeting.
,2. Which document is MOST critical for ensuring safe vessel operation
before departure?
A. Payroll schedule
B. Crew attendance sheet
C. Vessel safety checklist
D. City budget report
Answer: C
Rationale: A vessel safety checklist ensures all required equipment,
systems, and procedures are verified before departure, reducing
operational risk.
3. What is the primary purpose of a maritime navigation chart?
A. To calculate fuel taxes
B. To display legal employment rules
C. To show water depths, hazards, and navigation routes
D. To record crew salaries
Answer: C
Rationale: Navigation charts provide essential geographic and
hazard information required for safe vessel navigation.
4. Which action is MOST appropriate in case of a man-overboard
emergency?
A. Continue sailing and report later
B. Immediately alert crew and initiate recovery procedures
C. Wait for harbor master instructions
D. Shut down all engines permanently
Answer: B
Rationale: Immediate response and recovery procedures are critical
in man-overboard situations to maximize survival chances.
5. What is the purpose of a vessel’s bilge system?
A. To increase speed
, B. To remove unwanted water from the hull
C. To measure fuel consumption
D. To steer the vessel
Answer: B
Rationale: The bilge system removes accumulated water from the
vessel’s lowest compartments to maintain safety and buoyancy.
6. Which communication tool is most commonly used for ship-to-shore
communication?
A. AM radio
B. VHF marine radio
C. Satellite TV
D. Landline telephone
Answer: B
Rationale: VHF marine radios are standard for short-range ship-to-
shore and vessel-to-vessel communication.
7. What does a red navigation buoy typically indicate?
A. Safe water area
B. Left side of channel when returning from sea
C. Dock entrance only
D. Fishing zone
Answer: B
Rationale: Red buoys generally mark the right side of a channel when
returning from sea (IALA Region B rules commonly applied in the
Americas).
8. Which factor MOST affects vessel stability?
A. Crew uniforms
B. Distribution of weight on board
C. Weather forecasts only
D. Engine brand
Questions And Correct Answers (Verified
Answers) Plus Rationale 2026 Q&A| Instant
Download Pdf
1. A Mate working on a city-operated vessel is primarily responsible for
which of the following duties?
A. Designing marine engines
B. Performing navigational, deck, and supervisory duties on vessels
C. Managing city budgets for transportation projects
D. Inspecting airport runways
Answer: B
Rationale: A Mate typically performs operational and supervisory
duties aboard vessels including navigation support, deck operations,
and crew oversight rather than engineering design or administrative
budgeting.
,2. Which document is MOST critical for ensuring safe vessel operation
before departure?
A. Payroll schedule
B. Crew attendance sheet
C. Vessel safety checklist
D. City budget report
Answer: C
Rationale: A vessel safety checklist ensures all required equipment,
systems, and procedures are verified before departure, reducing
operational risk.
3. What is the primary purpose of a maritime navigation chart?
A. To calculate fuel taxes
B. To display legal employment rules
C. To show water depths, hazards, and navigation routes
D. To record crew salaries
Answer: C
Rationale: Navigation charts provide essential geographic and
hazard information required for safe vessel navigation.
4. Which action is MOST appropriate in case of a man-overboard
emergency?
A. Continue sailing and report later
B. Immediately alert crew and initiate recovery procedures
C. Wait for harbor master instructions
D. Shut down all engines permanently
Answer: B
Rationale: Immediate response and recovery procedures are critical
in man-overboard situations to maximize survival chances.
5. What is the purpose of a vessel’s bilge system?
A. To increase speed
, B. To remove unwanted water from the hull
C. To measure fuel consumption
D. To steer the vessel
Answer: B
Rationale: The bilge system removes accumulated water from the
vessel’s lowest compartments to maintain safety and buoyancy.
6. Which communication tool is most commonly used for ship-to-shore
communication?
A. AM radio
B. VHF marine radio
C. Satellite TV
D. Landline telephone
Answer: B
Rationale: VHF marine radios are standard for short-range ship-to-
shore and vessel-to-vessel communication.
7. What does a red navigation buoy typically indicate?
A. Safe water area
B. Left side of channel when returning from sea
C. Dock entrance only
D. Fishing zone
Answer: B
Rationale: Red buoys generally mark the right side of a channel when
returning from sea (IALA Region B rules commonly applied in the
Americas).
8. Which factor MOST affects vessel stability?
A. Crew uniforms
B. Distribution of weight on board
C. Weather forecasts only
D. Engine brand
