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HSCT 2021 (3)

Total questions: 34

Worksheet time: 17mins

Name
Class
Date
1.

In-Place Protection (IPP) is not suitable under which of the following conditions?

a)

Insufficient time to evacuate

b)

Leak can be sealed quickly

c)

Presence of explosive gas

d)

The chemical release is short-term

2.

For bacteria and viruses that can cause severe to fatal diseases in humans, and for which no vaccines or other treatments are available, experiments must be conducted in which category of laboratory?

a)

BSL-3

b)

BSL-2

c)

BSL-1

d)

BSL-4

3.

The Threshold Limit Value – Short Term Exposure Limit (TLV-STEL) is the maximum concentration over a 15-min period to which any healthy person can be exposed to safely. Exposure should not exceed ___ times a day, with a minimum of ___ minutes between exposures.

a)

4; 60

b)

6; 20

c)

2; 120

d)

8; 10

4.

Which of the following detectors should be used when responding to an RTA incident involving a vehicle with the “CNG” symbol?

a)

Ultra Radiac

b)

Polytector

c)

LCD 3.3

d)

Saphydose

5.

Which of the following is a responsibility of HIT in a “white powder” incident?

a)

Conduct sampling

b)

Take over from SPF as Incident Manager

c)

Conduct initial AOS

d)

Conduct onsite screening test

6.

Which of the following is not an essential task for the first 3 arriving PLs in a HazMat incident?

a)

Monitoring

b)

Mitigation

c)

Rescue and evacuation

d)

Decontamination

7.

Casualties reporting to following symptoms are likely to be exposed to what time of chemical agent?:

Increased breathing rate, headaches, nausea, excessing salivation, involuntary urination.

a)

Riot control agent

b)

Nerve agent

c)

Cooking agent

d)

Blood agent

8.

Premises that store more than _____ MT of flammable materials are required to have an in-house Company Emergency Response Team (CERT).

a)

5

b)

10

c)

15

d)

20

9.

Elements along the same column of a period table has the same _____.

a)

Number of outermost electrons

b)

Number of electron shells

c)

Atomic number

d)

Atomic weight

10.

Which of the following is a form of route of entry that involves direct contact on the skin?

a)

Dermal absorption

b)

Inhalation

c)

Ingestion

d)

Injection

11.

Which of the following can occur in a fire situation involving compressed gas?

a)

Cylinder rupture

b)

Release of content

c)

All of the above

d)

Bleve

12.

In a Radiological incident, which of the following actions must be taken to reduce the exposure level on responders?

a)

Limit operating time near the suspected source

b)

Change BA sets regularly

c)

Stay close to the hot zone

d)

None of the above

13.

Pulmonary Edema can be caused by which type of Chemical Agent?

a)

Choking agent

b)

Blood agent

c)

Nerve agent

d)

Blister agent

14.

The PAPD should not be used under which of the following condition?

a)

The substance involved has not been identified

b)

There are casualties to be rescued

c)

The oxygen concentration in the air is 19%

d)

Prolonged operations is expected

15.

The temperature at which an organic peroxide will undergo irreversible decomposition is known as:

a)

Self-Induced Decomposition Temperature

b)

Self-Accelerating Decomposition Temperature

c)

Auto-Ignition Temperature

d)

Flash Point

16.

The Threshold Limit Value- Time Weighted Average (TLV-TWA) is defined as the maximum airborne concentration of a substance which an average healthy person can be exposed for up to ___ hours a day, ___ hours a week without suffering adverse health effects.

a)

8; 40

b)

4; 80

c)

8; 80

d)

4; 40

17.

To which UN hazard class does LPG belong to?

a)

Class 1

b)

Class 2

c)

Class 3

d)

Class 4

18.

What is the detection technology used in the AP4C?

a)

Ion Mobility spectrometry

b)

Gas chromatography

c)

Flame spectrophotometry

d)

Mass spectrometry

19.

Which of the following types of radiation only consists of particulate radiation?

a)

Alpha and Beta

b)

Gamma and X-Ray

c)

Alpha. Gamma and X-ray

d)

Alpha and Gamma

20.

Which of the following does not comprise of micro-organisms?

a)

Bacteria

b)

Fungus

c)

Toxins

d)

Planktons

21.

If a chemical reaction absorbs energy from the surroundings, it is a __________ reaction.

a)

Exothermic

b)

Endothermic

c)

Combustion

d)

Oxidation

22.

What type of bonds are formed when electrons are transferred from the atom of one element to another atom?

a)

Ionic

b)

Covalent

c)

Polar

d)

Hydrogen

23.

When a liquefied gas is discharged rapidly, it can _________.

a)

Release heat to the surroundings

b)

Remain as a liquid outside the cylinder

c)

Form a front line on the cylinder exterior

d)

Plug the cylinder valve

24.

Which of the following has the highest penetration power?

a)

Alpha

b)

Gamma

c)

Beta

d)

Infrared

25.

Which of the following values denote the start of the Warm Zone in a radiation incident?

a)

100mSv/hr

b)

10mSv/hr

c)

1.0mSv/hr

d)

0.1mSv/hr

26.

Which route of entry involved direct insertion into the bloodstream?

a)

Inhalation

b)

Injection

c)

Ingestion

d)

Dermal absorption

27.

Based on the initial isolation distances for a chemical agent incident, how large in the hot zone boundary from the source in an indoor location.

a)

50 metres

b)

20 metres

c)

100 metres

d)

200 metres

28.

Lethal Concentration refers to the concentration of toxic substances entering the body through __________.

a)

Inhalation

b)

Injection

c)

Ingestion

d)

Dermal absorption

29.

Which of the following information is not displayed on the EIP?

a)

Emergency contact numbers

b)

UN identification number of the hazardous material is

c)

Quantity of the hazardous material being transported

d)

Name of the hazardous material

30.

Which of the following has the lowest penetration power?

a)

Beta

b)

Alpha

c)

Gamma

d)

Infrared

31.

Which of the following substances is inert?

a)

Calcium

b)

Silicone

c)

Iodine

d)

Helium

32.

Acids and bases react during neutralization to give:

a)

Water and salt

b)

Saline and salt

c)

Water and hydrogen

d)

Water and carbon dioxide

33.

Which of the following is not a physical method of decontamination?

a)

Absorption

b)

Neutralization

c)

Brushing

d)

Dilution

34.

Which of these is not a likely symptom of exposure to Sarin?

a)

Watery blisters forming on the skin

b)

Small, pinpoint pupils in the eyes

c)

Excessive muscle twitching

d)

Nausea and vomiting