631

Question 1

How is guidance information indicated in 631?
A. By the word “shall” or “is required”
B. By the word “may”
C. By the word “should”
D. By the word “mandatory”

Answer 1

C

Question 2

How often should inspections be conducted for well deck overheads on surface ships?
A. 36 months
B. 72 months
C. 48 months
D. 96 months

Answer 2

A

Question 3

What is the purpose of Section 8 in 631?
A. Provides instructions for safety precautions
B. Provides specific requirements for surface ships and submarines
C. Describes preservation process instructions
D. Defines critical coated areas

Answer 3

B

Question 4

What does Section 1 of 631 provide?
A. Safety precautions during painting processes
B. Instructions for prevention of corrosion and deterioration
C. Quality assurance requirements for surface preparation
D. Paint colors used in government procurement

Answer 4

B

Question 5

What is the repository used for storing in-service coating inspections data?
A. CCIMS (Corrosion Control Information Management System)
B. NST Center (National Surface Treatment Center)
C. NAVSEA Standard Item 009-32
D. DoD Corrosion Exchange website

Answer 5

A

Question 6

What does Executive Order 12196 provide guidance to the Department of Defense concerning?
A. Occupational Safety and Health Matters
B. Environmental Regulations
C. Military Training Procedures
D. Budget Allocations

Answer 6

A

Question 7

Who is responsible for ensuring that all necessary safety precautions are taken and specific hazards are communicated to the crew before starting a painting operation?
A. Supervisor
B. Crew Members
C. Gas Free Engineer
D. Department Head

Answer 7

A

Question 8

Which of the following is an indicator of a fire hazard for paint or solvent materials?
A. Flashpoint
B. Color Intensity
C. Density
D. Viscosity

Answer 8

A

Question 9

What should crew members do before entering any enclosed or poorly ventilated space for inspection purposes?
A. Wait for Gas Free Engineer Certification
B. Check for Exit Routes
C. Wear Lifelines with Minimal Slack
D. Wear Chemical Worker’s Goggles

Answer 9

A

Question 10

Which type of respirator should be worn during abrasive blasting operations?
A. NIOSH/MSHA-Approved Abrasive Blasting Respirator
B. Supplied Air Respirator
C. Chemical Cartridge Respirator
D. Disposable Dust Mask

Answer 10

A

Question 11

Which organization sets the exposure standards for hazardous paint ingredients in the Navy?

A) OSHA
B) NAVSEA
C) ACGIH
D) IARC

Answer 11

C

Question 12

What is the maximum allowable amount of total chromates (as Chrome VI) in current Navy marine specification paints?

A) 10 parts per million (ppm)
B) 50 parts per million (ppm)
C) 100 parts per million (ppm)
D) 200 parts per million (ppm)

Answer 12

B

Question 13

Which chemical is considered toxic and can be absorbed by the skin, leading to irritation and dermatitis?

A) Methyl Ethyl Ketone (MEK)
B) Cresol
C) Ethylene Glycol Monobutyl Ether
D) Phenol

Answer 13

C

Question 14

What is the permissible exposure limit (PEL) for all cadmium compounds, dust, and fumes?

A) 1 microgram per cubic meter of air
B) 5 micrograms per cubic meter of air
C) 10 micrograms per cubic meter of air
D) 20 micrograms per cubic meter of air

Answer 14

B

Question 15

What precaution is necessary if epoxy coatings come into contact with the skin?

A) Clean with solvents
B) Seek medical attention
C) Use soap and water
D) Apply a skin protection cream

Answer 15

C

Question 16

What is the purpose of visual signals in waterjetting operations?
A) Entertainment
B) Precautionary measures
C) Communication between operators
D) Decoration

Answer 16

C

Question 17

How should damaged waterjetting equipment be handled?
A) Ignore and continue usage
B) Repair it immediately
C) Replace it with new equipment
D) Proper maintenance or repair before operation

Answer 17

D

Question 18

When should a safety lock-off device be used for pneumatic tools?
A) It’s optional
B) When the tool is not in use
C) Only in extreme conditions
D) Always, to prevent accidental startup

Answer 18

D

Question 19

What precaution should be taken when handling chemical cleaning materials?
A) Heating solutions to increase efficiency
B) Concentrating solutions for better cleaning
C) Wearing impervious clothing and goggles
D) Using bare hands for quick handling

Answer 19

C

Question 20

How far should the danger area extend during spray painting operations?
A) 10 feet
B) 25 feet
C) 50 feet
D) 75 feet

Answer 20

B

Question 21

What type of lamps should be installed in confined spaces where coatings are applied?
A) Incandescent lamps
B) LED lamps
C) Explosion-proof lamps with shatterproof lenses
D) Fluorescent lamps

Answer 21

C

Question 22

Who should conduct the initial gas-free test in confined spaces?
A) Painters
B) Gas Free Engineer
C) Ventilation technicians
D) Safety inspectors

Answer 22

B

Question 23

Where should exhaust carrying flammable vapors be ventilated during paint operations?
A) Inside the confined space
B) Adjacent spaces
C) Exterior of the ship
D) Drydock sumps

Answer 23

C

Question 24

What precaution should be observed to prevent accidental ignition of solvent vapors?
A) Electrical grounding of ships
B) Wearing rubber-soled shoes
C) Properly defining and marking danger areas
D) Using explosion-proof equipment

Answer 24

C

Question 25

What should spray painters wear to protect themselves from airborne paint mist? A) Safety goggles B) Gloves and protective garments C) Steel-toed boots D) Ear protection

Answer 25

B

Question 26

What is the purpose of disposable dry filters in a paint spray booth? A. To increase paint loading B. To minimize residues entering the exhaust system C. To decrease ventilation D. To reduce filter area

Answer 26

B

Question 27

What type of fire extinguisher is recommended for fighting Class B (flammable liquid) fires in a paint spray booth? A. Water fire extinguisher B. CO2 fire extinguisher C. Potassium bicarbonate (PKP) fire extinguisher D. Foam fire extinguisher

Answer 27

C

Question 28

What precautions are necessary when using polyurethane coatings containing isocyanates? A. No special precautions are needed B. Use of gloves only C. Proper ventilation and appropriate personal protective equipment D. Use of regular masks

Answer 28

C

Question 29

What type of paint is no longer authorized for use on Navy ships on underwater hull areas? A. Polyurethane paint B. Acrylic paint C. Organotin (TBT) antifouling paint D. Epoxy paint

Answer 29

C

Question 30

What does the term "overcoat window" refer to in the context of shipboard paint application? A. A specific time frame for applying primer on metal surfaces. B. The duration during which topcoats can be applied without additional surface treatments on epoxy coatings. C. A technique for preventing corrosion on steel surfaces. D. A period when painting is restricted due to weather conditions.

Answer 30

B

Question 31

Which type of paint is generally used for coating galvanized steel surfaces according to the guidelines? A. Alkyd paints B. Silicone alkyds C. Epoxy paints D. Water-based paints

Answer 31

C

Question 32

What is the recommended surface preparation for aluminum faying surfaces to prevent accelerated corrosion? A. Seal with caulking compound MIL-C-18255. B. Apply a label plate according to NAVSEA hull type drawing. C. Install non-metallic insulating material between faying surfaces. D. Clean with kerosene before applying insulation tape.

Answer 32

C

Question 33

Which type of paint is suggested for underwater surfaces of wood hulls after treatment with wood preservative? A. Chlorinated alkyd paint MIL-DTL-24607 B. MIL-DTL-24441 Type IV C. MIL-PRF-23236 epoxy D. TT-P-645 Formula 84

Answer 33

B

Question 34

What is the purpose of applying a dielectric shield coating around impressed current cathodic protection (ICCP) anodes on the underwater hull? A. To enhance the visual appearance of the hull. B. To provide insulation and prevent corrosion of the anodes. C. To improve the performance of anti-fouling coatings. D. To increase the hull's speed in water.

Answer 34

B