7.1 - Safety Precautions

Question 1

When was the Health and Safety at Work Act ? What duties does it lay out ?

Answer 1

1974

• Employers duties to employees and public
• Employees duties towards each other
• Self employed duties towards themselves

Question 2

What is the HSE ? What does it do ?

Answer 2

Health & Safety Executive

Regulates and aims to prevent death and injury

Question 3

Who produces ACOPs( Approved Codes of Practice ) ?

Answer 3

The HSE

Question 4

What is HSG 65 ?

Answer 4

Provides guidance for leaders, owners and managers on health and safety.

Question 5

What are the 4 parts of HSG 65 ?

Answer 5

Part 1: Core elements on H+S
Part 2 : Deciding if what is done needs to be done
Part 3 : Effective arrangements
Part 4: Useful resources

Question 6

When was PUWER ? What did it layout ?

Answer 6

1998

Places duties on people and companies who own, use or have control over work equipment.

Question 7

When was LOLER ? What did it set out ?

Answer 7

1998

Places duties on people and companies who use lifting equipment.

Question 8

When was the Control of Substances Hazardous to Health Reg ? (COSHH)

Answer 8

2002

Question 9

What Code of Practice is COSHH supported by ? What does this describe?

Answer 9

INDG 136

Describes how to control hazardous substances at work.

Question 10

What is the Material Safety Data Sheet (MSDS) for ?

Answer 10

Important documents on the supply, handling and use of chemicals

Question 11

What must you be aware of in terms of the MSDS?

Answer 11

It is not a complete source of info, it provides a general summary.

Question 12

What are the 4 hazard types ?

Answer 12

1. Health hazard
2. Fire hazard
3. Reactivity hazard
4. Environmental hazards

Question 13

When was Manual Handling Operations Regulations ?

Answer 13

1992

Question 14

When was the Electricity at Work Regulation ?

Answer 14

1989

Question 15

What must be done prior to charging an a/c system with compressed gas ?

Answer 15

Purge the hose

Question 16

Pressure of compressed air in workshop ?

Answer 16

80psi

Question 17

What pressure can be deadly in the wrong circumstance ?

Answer 17

Little as 12psi

• can also blow an eye out of its socket

Question 18

What pressure can rupture the oesophagus ?

Answer 18

5 psi

Question 19

What pressure can rupture an ear drum ?

Answer 19

40psi

Question 20

What psi is enough to use as cleaning ?

Answer 20

30psi - over this can lose a threat

Question 21

Why must oxygen coming into contact with oils and greases be avoided ?

Answer 21

Can cause oil and grease to spontaneously combust, without a flame.

Question 22

What must be immediately done after a chemical spill, what after this ?

Answer 22

1. Evacuate + Alert
2. Secure the space
3. Confine the chemicals
4. Clean up

Question 23

What must be done after all personnel have evacuated after a chemical spill ?

Answer 23

Turn off any ignition and heat sources

Question 24

When was the Dangerous Substances and Explosive Atmosphere Regulation ?

What does this lay out ?

Answer 24

2002

Lays out the requirements for employers to assess the risks of fires and explosions from happening

Question 25

What must be done after any abnormal event on an a/c or engine ?

Answer 25

Write an MOR - Mandatory Occurrence Report

Question 26

What are the 2 principles that fire extinguishers work on ?

Answer 26

1. Excluding oxygen 2. Removing heat

Question 27

Class A fire ?

Answer 27

Combustible solids

Question 28

Class B fire ?

Answer 28

Flammable liquids

Question 29

Class C fires ?

Answer 29

Flammable gases

Question 30

Class D fires ?

Answer 30

Metals

Question 31

Class F fires ?

Answer 31

Cooking oils ( F for fryer )

Question 32

What are the 6 extinguishing agents ?

Answer 32

Water Carbon dioxide Dry powder Foam Wet chemical Halogenated Hydrocarbon

Question 33

What are the 6 extinguishing agents ?

Answer 33

Water Carbon dioxide Dry powder Foam Wet chemical Halogenated Hydrocarbon

Question 34

Water Extinguisher: - How does it work? - What classes of fire can it extinguish?

Answer 34

- works by removing heat - extinguishes class A only

Question 35

Carbon Dioxide Extinguisher: - How does it work? - What classes of fire can it extinguish?

Answer 35

- removes heat AND removes oxygen - used on Class B fires + Electrical Fires

Question 36

Dry Powder Extinguisher: - What classes of fire can it extinguish? - where must these not be used ?

Answer 36

“ABC” extinguisher - used on Class A,B + C fires - also electrical fires up to 1kV Do not use in enclosed spaces, since it can be inhaled.

Question 37

Foam Extinguisher: - How does it work? - What classes of fire can it extinguish?

Answer 37

- removes oxygen AND heat - used for Class A + B fires

Question 38

Wet Chemical Extinguisher: - How does it work? - What classes of fire can it extinguish?

Answer 38

- removes heat AND performs a saponification process, which prevents re - ignition - used on Class F and sometimes Class A fires

Question 39

Halogenated Carbon Extinguisher: - How does it work? - What classes of fire can it extinguish?

Answer 39

- chemically disrupts combustion - used on Class B + C fires. Also Class A + D, but not as effective

Question 40

What is the law surrounding Halon ?

Answer 40

Production ceased on Jan 1, 1994 However, still legal to purchase and use RECYCLED Halon

Question 41

What are the 2 types of Halon Extinguishers ? What type is used where ?

Answer 41

Halon 1211 and 1301 Halon 1211 - portable extinguishers Halon 1301 - fixed extinguishers