NCDCC HAZMAT Theory Assessment
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- 1.Besides flammable and non-flammable gases, what is the other sub-division of Class 2 – Gases?
- A.
Liquefied Gases
- B.
Poisonous Gases
- C.
Cryogenic Gases
- D.
Compressed Gases
- 2.Which of the following is Class 1 hazard?
- A.
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- B.
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- C.
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- D.
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- 3.How many classes of HazMat are there according to the UN Classification of HazMat?
- A.
5
- B.
6
- C.
8
- D.
9
- 4.Which of the followings HazMat Classes would explode or burn fiercely when mixed with ordinary combustibles?
- A.
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- B.
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- C.
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- D.
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- 5.Which of the following are possible hazards of Class 3- Liquids?
- A.
Radiation sickness
- B.
Metal dust
- C.
Flowing fire
- D.
Injuries due to projectiles
- 6.Which one of these is NOT a hazard for Class 1 materials?
- A.
Outbreak of fires
- B.
Danger of injuries via projectiles
- C.
Ear rupture is caused by the sound waves
- D.
Loss of body functions such as respiration.
- 7.Which of the following regarding Class 4- Flammable Solids is true?
- A.
Substances that releases oxygen
- B.
Easily ignited and difficult to extinguish
- C.
Very reactive with combustibles - spontaneous combustion
- D.
A chemical substance that in itself can react to produce a gas at a relatively high temperature and pressure and at such a speed as to damage the surroundings.
- 8.How many sub-divisions does Class 5 – Oxidizing Substances have?
- A.
2
- B.
5
- C.
8
- D.
13
- 9.Which of the following HazMat Class has the following property: “reacts with metals – liberate hydrogen”?
- A.
Class 2 Gases
- B.
Class 3 Liquids
- C.
Class 7 Radioactives
- D.
Class 8 Corrosives
- 10.What are hazardous materials?
- A.
Substances which are not useful at all
- B.
Substances which will always cause harm
- C.
Substances which will always destroy properties and pollute the environment
- D.
Substances which have the potential to do harm to living tissues, damage to property and pollute the environment
- 11.What should you do when you see a suspicious object (bomb) in public?
- A.
Do not do anything about it
- B.
Report it immediately to your best friend
- C.
Check the object to see if it is really a bomb
- D.
Move away and warn people in the area about it, report immediately to the police
- 12.You can suspect a letter or parcel is a bomb, if there is oily stains or discolouration on wrapping material and it gives off an unusual odour similar to almond or marzipan. True or False?
- A.
True
- B.
False
- 13.How many types of Chemical Agents are there?
- A.
2
- B.
4
- C.
5
- D.
6
- 14.Which of the following is not a Chemical Agent?
- A.
Anthrax Agents
- B.
Nerve Agents
- C.
Blood Agents
- D.
Blister Agents
- 15.One of the initial symptoms of Nerve Agents is Runny Nose.
- A.
True
- B.
False
- 16.Which of the following about Blood Agents is FALSE?
- A.
Blood Agents can be absorbed by inhalation or through the skin
- B.
Blood Agents spread through bodily fluids
- C.
Symtoms range from headaches, nausea, vomiting etc.
- D.
Blood Agents prevent the normal transfer of oxygen from the body to the blood tissues, possibly resulting in death
- 17.Which of the following about Blister Agents is true?
- A.
It always has a strong smell
- B.
It causes only minor burns to the skins & eyes
- C.
It is heavy and oily liquid, colorless and nearly odorless
- D.
It is not fatal
- 18.Which of the following are hazards of Class 7- Radioactives?
- A.
Burns
- B.
Cancer
- C.
Nausea
- D.
All the above
- 19.Anthrax has no colour, smell or taste and thus not easily detected by senses. True or false?
- A.
True
- B.
False
- 20.A parcel suspected of containing anthrax is open and a colourless liquid from the parcel is spilled. What should you do?
- A.
Turn on local fan or ventilation units in the area
- B.
Place the parcel in a plastic bag and seal it with your bare hands
- C.
Report the matter to the police and clean up the spillage while waiting
- D.
Cover the spilled contents immediately with some clothing, leave the room and close the door to prevent others from entering
- 21.For Qn 21 to 25, match the correct classes with the description of properties Answers will NOT be repeated for qn 21 to 25. -Substances which emits radiation -Non-ionizing radiation - radio waves, UV, infrared -Ionizing radiation
- Alpha
- Beta
- Gamma
- A.
Class 4- Solids
- B.
Class 5- Oxidizer
- C.
Class 6- Poison
- D.
Class 7- Radioactives
- E.
Class 8- Corrosives
- 22.
- Easily ignited and difficult to extinguish eg. magnesium
- Air-reactive substances (pyrophoric) eg. White phosphorus
- Water-reactive substances eg. sodium, calcium carbide
- A.
Class 4- Solids
- B.
Class 5- Oxidizer
- C.
Class 6- Poison
- D.
Class 7- Radioactives
- E.
Class 8- Corrosives
- 23.
- Most widely used in industry
- Sulfuric acid most common
- Substances that can cause visible destruction to tissue
- Acids
- Bases
- A.
Class 4- Solids
- B.
Class 5- Oxidizer
- C.
Class 6- Poison
- D.
Class 7- Radioactives
- E.
Class 8- Corrosives
- 24.
-
Substances that releases oxygen
- hypochlorites, chlorates, perchlorates, permanganates, hydrogen peroxide, nitrates
-
Very reactive with combustibles - spontaneous combustion
- Hydrogen peroxide and wood shavings
- Nitric acid and organic combustibles
- A.
Class 4- Solids
- B.
Class 5- Oxidizer
- C.
Class 6- Poison
- D.
Class 7- Radioactives
- E.
Class 8- Corrosives
-
Substances that releases oxygen
- 25.
-
Substances that cause death or serious health effects upon exposure
- Inhalation
- Ingestion
- Absorption
- A.
Class 4- Solids
- B.
Class 5- Oxidizer
- C.
Class 6- Poison
- D.
Class 7- Radioactives
- E.
Class 8- Corrosives
-
Substances that cause death or serious health effects upon exposure
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