Chemical Hazards: Risk Assessment, Control, and Emergency Response

Question 1

The process of identifying and evaluating the potential risks associated with workplace hazards is known as:

Accepted Answer

Risk assessment

Answer

Hazard control

Answer

Emergency response

Answer

Risk management

Question 2

The concept of 'occupational exposure limit' (OEL) is related to:

Accepted Answer

Acceptable exposure limits for hazardous substances in the workplace

Answer

Maximum exposure limits for hazardous substances in the workplace

Answer

Exposure limits that are not harmful to health

Answer

Exposure limits that are always safe

Question 3

Which principle is crucial in assessing the risks associated with chemical hazards?

Accepted Answer

Evaluating the severity and likelihood of risks

Answer

Identifying potential dangers

Answer

Implementing control measures

Answer

Monitoring the effectiveness of controls

Question 4

Which is not a type of chemical hazard?

Accepted Answer

Biological hazards

Answer

Toxic substances

Answer

Corrosive materials

Answer

Flammable liquids

Question 5

What is the primary purpose of an emergency response plan for chemical hazards?

Accepted Answer

Guiding responses to chemical spills and leaks

Answer

Training employees on using personal protective equipment

Answer

Conducting risk assessments and identifying potential hazards

Answer

Ensuring compliance with health and safety regulations

Question 6

Regarding flammable liquids, which characteristic applies?

Accepted Answer

Low flash point and low ignition temperature

Answer

Low flash point and high ignition temperature

Answer

High flash point and low ignition temperature

Answer

High flash point and high ignition temperature

Question 7

What is the main reason for using a fume cupboard when working with hazardous chemicals?

Accepted Answer

To remove harmful vapours and gases from the work area

Answer

To protect the user from chemical spills and splashes

Answer

To provide a controlled environment for chemical reactions

Answer

To store hazardous chemicals safely

Question 8

Which type of chemical protective equipment (CPE) provides the best protection against skin exposure to corrosive chemicals?

Accepted Answer

Acid-resistant suit

Answer

HEPA filter

Answer

Tyvek suit

Question 9

Identify the primary principle of conducting a risk assessment for chemical hazards.

Accepted Answer

Determine potential hazards and assess the likelihood and severity of their occurrence

Answer

Implement control measures to minimize risks

Answer

Establish emergency response plans and training

Answer

Continuously monitor and review risks

Question 10

In the event of a chemical spill, what is the initial action to be taken?

Accepted Answer

Evacuate the area and notify emergency services

Answer

Attempt to clean up the spill самостоятельно

Answer

Cover the spill with an absorbent material

Answer

Await instructions from a supervisor

Question 11

Identify the characteristic of flammable liquids.

Accepted Answer

Low flash point and high volatility

Answer

Corrosiveness and toxicity to the skin

Answer

Reactivity and production of explosive vapours

Answer

Non-toxicity and safe handling

Question 12

What is the purpose of a Material Safety Data Sheet (MSDS)?

Accepted Answer

Provide information on the hazards, handling, and storage of a chemical substance

Answer

Train workers on the safe use of chemicals

Answer

Assess the risk of working with a particular chemical

Answer

Meet legal requirements for workplace safety

Question 13

Which item is NOT a type of personal protective equipment (PPE) used for working with chemical hazards?

Accepted Answer

Earplugs

Answer

Gloves

Answer

Respirators

Answer

Safety glasses

Question 14

Which of the following is a fundamental principle of chemical hazard risk assessment?

Accepted Answer

Assessing both the likelihood and severity of consequences

Answer

Disregarding the potential for harm

Answer

Solely considering the likelihood of exposure

Answer

Presuming the worst-case scenario in all situations

Question 15

What type of control measure aims to eliminate or minimize exposure to hazardous chemicals?

Accepted Answer

Elimination or substitution

Answer

Administrative controls

Answer

Personal protective equipment

Answer

Emergency response plans

Question 16

What is the primary purpose of an exposure limit for a hazardous chemical?

Accepted Answer

To ensure that workers are not exposed to unsafe levels

Answer

To eliminate all potential risks associated with the chemical

Answer

To aid in the selection of appropriate control measures

Answer

To simplify compliance with regulations for employers

Question 17

When choosing personal protective equipment (PPE) for protection against chemical hazards, what is the most critical factor to consider?

Accepted Answer

The severity of the hazard

Answer

Cost-effectiveness and availability

Answer

Comfort and personal preferences

Answer

Company policies and regulations

Question 18

Which of the following is NOT a type of chemical hazard?

Accepted Answer

Inert gases

Answer

Toxic substances

Answer

Corrosive materials

Answer

Flammable liquids

Question 19

Which of the following is NOT a property of toxic substances?

Accepted Answer

Are always gases

Answer

Can cause harm to human health

Answer

Can be absorbed through the skin

Answer

Can cause cancer

Question 20

What is the primary objective of a risk assessment?

Accepted Answer

To identify and evaluate potential risks

Answer

To eradicate all hazards

Answer

To develop control measures

Answer

To monitor the effectiveness of control measures

Question 21

What is the key distinction between a risk and a hazard?

Accepted Answer

A risk is the probability of an event, while a hazard is the potential for harm

Answer

A hazard is the probability of an event, while a risk is the potential for harm

Answer

A risk is always higher than a hazard

Answer

A hazard is always higher than a risk

Question 22

What is the primary function of personal protective equipment (PPE) in health and safety?

Accepted Answer

To reduce the risk of exposure to hazards

Answer

To eliminate hazards

Answer

To provide complete protection from hazards

Answer

To replace other control measures

Question 23

The first step in the risk assessment process involves:

Accepted Answer

Identifying hazards

Answer

Evaluating risks

Answer

Implementing control measures

Answer

Monitoring and reviewing

Question 24

Which type of chemical hazard is characterized by its ability to cause severe skin damage, chemical burns, and eye damage?

Accepted Answer

Corrosive

Answer

Toxic

Answer

Flammable

Answer

Explosive

Question 25

Which of the following is considered an inappropriate control measure for a flammable liquid hazard?

Accepted Answer

Smoking in the work area

Answer

Storing flammable liquids in a cool, well-ventilated area

Answer

Using non-sparking tools and equipment

Answer

Wearing appropriate personal protective equipment

Question 26

What is the distinction between a risk and a hazard?

Accepted Answer

A hazard is a potential source of harm, while a risk is the likelihood of that harm occurring.

Answer

A risk is a potential source of harm, while a hazard is the likelihood of that harm occurring.

Answer

A hazard is a substance or situation that can cause harm, while a risk is the chance of being harmed by that substance or situation.

Answer

A risk is a substance or situation that can cause harm, while a hazard is the chance of being harmed by that substance or situation.

Question 27

Which type of personal protective equipment (PPE) is designed to protect users primarily from inhaling hazardous chemicals?

Accepted Answer

Respiratory protection

Answer

Gloves

Answer

Eye protection

Answer

Hearing protection

Question 28

What's the main purpose of a Material Safety Data Sheet (MSDS)?

Accepted Answer

Provide a complete overview of the chemical's properties, hazards, and handling instructions.

Answer

Give specific advice on how to use a chemical safely in a particular workplace.

Answer

Identify the manufacturer and distributor of a chemical.

Question 29

Which of the following is NOT a mandatory element of a Globally Harmonized System (GHS) label for chemical hazards?

Accepted Answer

Supplier information

Answer

Hazard pictograms

Answer

Signal words

Answer

Precautionary statements

Question 30

What is the primary purpose of conducting a risk assessment for chemical hazards?

Accepted Answer

To identify potential hazards, evaluate their likelihood and severity, and determine appropriate control measures.

Answer

To eliminate all chemical hazards from the workplace

Answer

To solely rely on personal protective equipment (PPE) for hazard control

Question 31

When selecting personal protective equipment (PPE) for chemical hazards, the most critical factor to consider is:

Accepted Answer

The specific chemical hazards present and their potential routes of exposure

Answer

The comfort level of the PPE

Answer

The cost of the PPE

Answer

The aesthetics of the PPE

Question 32

Which of the following is NOT an appropriate emergency response procedure for a chemical spill?

Accepted Answer

Attempting to clean up the spill without proper training or protective equipment

Answer

Evacuating the area and containing the spill

Answer

Notifying emergency services and seeking medical attention if necessary

Question 33

What is the primary legal responsibility of an employer regarding chemical hazards?

Accepted Answer

To provide a safe working environment by identifying, assessing, and controlling chemical hazards.

Answer

To rely solely on employees to manage chemical hazards

Answer

To ignore chemical hazards if they are not immediately life-threatening

Question 34

Which of the following is a key benefit of using safety data sheets (SDSs) for chemical hazards?

Accepted Answer

They provide comprehensive information on the hazards associated with a chemical and the recommended safety measures.

Answer

They eliminate the need for risk assessments

Question 35

What is the primary purpose of chemical hazard labeling?

Accepted Answer

To communicate the hazards of a chemical to users, emergency responders, and others who may come into contact with it.

Answer

To enhance the aesthetic appeal of the chemical container

Answer

To provide instructions on how to use a chemical safely

Question 36

What is the fundamental difference between a hazardous chemical and a non-hazardous chemical?

Accepted Answer

Hazardous chemicals have the potential to cause adverse effects on human health or the environment, while non-hazardous chemicals do not.

Answer

Hazardous chemicals are always radioactive, while non-hazardous chemicals are not.