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Module 7 > 7.1 - Safety Precautions > Flashcards

7.1 - Safety Precautions Flashcards

1
Q

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

A

1974

  • Employers duties to employees and public
  • Employees duties towards each other
  • Self employed duties towards themselves
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2
Q

What is the HSE ? What does it do ?

A

Health & Safety Executive

Regulates and aims to prevent death and injury

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3
Q

Who produces ACOPs( Approved Codes of Practice ) ?

A

The HSE

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4
Q

What is HSG 65 ?

A

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

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5
Q

What are the 4 parts of HSG 65 ?

A

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

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6
Q

When was PUWER ? What did it layout ?

A

1998

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

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7
Q

When was LOLER ? What did it set out ?

A

1998

Places duties on people and companies who use lifting equipment.

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8
Q

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

A

2002

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9
Q

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

A

INDG 136

Describes how to control hazardous substances at work.

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10
Q

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

A

Important documents on the supply, handling and use of chemicals

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11
Q

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

A

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

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12
Q

What are the 4 hazard types ?

A
  1. Health hazard
  2. Fire hazard
  3. Reactivity hazard
  4. Environmental hazards
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13
Q

When was Manual Handling Operations Regulations ?

A

1992

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14
Q

When was the Electricity at Work Regulation ?

A

1989

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15
Q

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

A

Purge the hose

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16
Q

Pressure of compressed air in workshop ?

A

80psi

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17
Q

What pressure can be deadly in the wrong circumstance ?

A

Little as 12psi

  • can also blow an eye out of its socket
18
Q

What pressure can rupture the oesophagus ?

A

5 psi

19
Q

What pressure can rupture an ear drum ?

A

40psi

20
Q

What psi is enough to use as cleaning ?

A

30psi - over this can lose a threat

21
Q

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

A

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

22
Q

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

A
  1. Evacuate + Alert
  2. Secure the space
  3. Confine the chemicals
  4. Clean up
23
Q

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

A

Turn off any ignition and heat sources

24
Q

When was the Dangerous Substances and Explosive Atmosphere Regulation ?

What does this lay out ?

A

2002

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

25
Q

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

A

Write an MOR - Mandatory Occurrence Report

26
Q

What are the 2 principles that fire extinguishers work on ?

A
  1. Excluding oxygen
  2. Removing heat
27
Q

Class A fire ?

A

Combustible solids

28
Q

Class B fire ?

A

Flammable liquids

29
Q

Class C fires ?

A

Flammable gases

30
Q

Class D fires ?

A

Metals

31
Q

Class F fires ?

A

Cooking oils

( F for fryer )

32
Q

What are the 6 extinguishing agents ?

A

Water
Carbon dioxide
Dry powder
Foam
Wet chemical
Halogenated Hydrocarbon

33
Q

What are the 6 extinguishing agents ?

A

Water
Carbon dioxide
Dry powder
Foam
Wet chemical
Halogenated Hydrocarbon

34
Q

Water Extinguisher:

  • How does it work?
  • What classes of fire can it extinguish?
A
  • works by removing heat
  • extinguishes class A only
35
Q

Carbon Dioxide Extinguisher:

  • How does it work?
  • What classes of fire can it extinguish?
A
  • removes heat AND removes oxygen
  • used on Class B fires + Electrical Fires
36
Q

Dry Powder Extinguisher:

  • What classes of fire can it extinguish?
  • where must these not be used ?
A

“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.

37
Q

Foam Extinguisher:

  • How does it work?
  • What classes of fire can it extinguish?
A
  • removes oxygen AND heat
  • used for Class A + B fires
38
Q

Wet Chemical Extinguisher:

  • How does it work?
  • What classes of fire can it extinguish?
A
  • removes heat AND performs a saponification process, which prevents re - ignition
  • used on Class F and sometimes Class A fires
39
Q

Halogenated Carbon Extinguisher:

  • How does it work?
  • What classes of fire can it extinguish?
A
  • chemically disrupts combustion
  • used on Class B + C fires. Also Class A + D, but not as effective
40
Q

What is the law surrounding Halon ?

A

Production ceased on Jan 1, 1994

However, still legal to purchase and use RECYCLED Halon

41
Q

What are the 2 types of Halon Extinguishers ?

What type is used where ?

A

Halon 1211 and 1301

Halon 1211 - portable extinguishers
Halon 1301 - fixed extinguishers

Module 7 (3 decks)

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