B

Question 1

When locking out equipment

Answer 1

must consider all sources of hazardous energy

Question 2

Sources of hazardous energy

Answer 2

Gravity Steam Hydraulic Pneumatic

Question 3

Other sources of hazards

Answer 3

Toxic gases, Hydrogen sulphide, carbon monoxide, ammonia, cyanide Methane, natural gas, propane, hydrogen and cleaning solvents

Question 4

UEL

Answer 4

upper explosive limit

Question 5

LEL

Answer 5

lower explosive limit

Question 6

The LEL is used for

Answer 6

setting the parameters of alarm levels for gas monitoring systems

Question 7

Who is authorized to do lockouts

Answer 7

someone who has been trained and know the lockout procedures for that equipment to initiate a lockout must be well trained and authorized an apprentice can lock out a piece of equipment only if the lockout is already initiated.

Question 8

WCB regulations and lockout

Answer 8

use your own locks and keys do not borrow another person’s lock remove your own lock must not remove someone else’s lock if you apply the first lock, you must ensure that the machinery cannot be operated a senor supervisor may remove someone’s elses lock but only after every effort to contact the person

Question 9

How to operate a disconnect switch

Answer 9

stand to the side and look away

Question 10

Removing the lockout

Answer 10

make sure that the equipment can be operated safely make sure that all workers are clear

Question 11

Guardrails

Answer 11

40 to 44 inches above the work surface consist of a top rail, mid rail, and toe board resist a 125 lb. horizontal load uprights at a max spacing or 8 to 10 feet 2 by 4 top rail for uprights at 8’ centres 2 by 6 top rail for uprights at 10’ centres

Question 12

Fall restraint system

Answer 12

designed to prevent workers from accessing and edge where they could fall

Question 13

Fall arrest

Answer 13

will limit the free fall of a worker to 4’ full body harness, lanyard, lifeline

Question 14

Vertical lifelines

Answer 14

CSA approved 6000 lb break strength Have only one worker attached to it.

Question 15

Horizontal lifelines

Answer 15

provide 800 lb. or support for each worker attached to the line break strength of at least 20 000 lb. 1/2 diameter wire rope max of three workers attached to it.

Question 16

Fall protection equipment

Answer 16

must be inspected by a qualified person kept dry and maintained in good working order.

Question 17

Safety meetings

Answer 17

focused to the site and work conditions take place on the site clear objectives Hazards should be pinpointed key points should be demonstrated using real tools

Question 18

Housekeeping

Answer 18

Do no block exits Keep floors and work areas clean and dry Keep steps and ladders in serviceable condition Keep emergency equipment clean and unobstructed

Question 19

Oxygen deficiency

Answer 19

defined as air with less than 19.5%

Question 20

Fire triangle

Answer 20

Fuel, oxygen, heat

Question 21

Classes of fires

Answer 21

Class A (Green) Class B (Red) Class C (Blue)

Question 22

Class A (Green)

Answer 22

wood, cloth, paper, rubber

Question 23

Class B (Red)

Answer 23

involve flammable liquids

Question 24

Class C (Blue)

Answer 24

involve energized electrical equipment

Question 25

Extinguishers for Class B and C fires

Answer 25

dry chemical and carbon dioxide

Question 26

Current Range

Answer 26

non-lethal 1mA to 50mA Lethal 50mA to 200mA

Question 27

What does WHMIS mean

Answer 27

Workplace Hazardous Materials Information Systems

Question 28

Purpose of WHMIS

Answer 28

to give all working Canadians a uniform and appropriate quantity and quality of information about hazardous materials used in the workplace

Question 29

MSDS (material safety data sheet)

Answer 29

provides information on potential hazards, precautions and emergency measures about a controlled product: minimum requirments Nine content sections must be filled out No section may be left blank Data sheets cannot be more than three years old All hazardous ingredients must be disclosed available in both official languages A copy of the current MSDS must be sent to the purchaser on or before the date of sale of the first purchase of a controlled product

Question 30

Labelling

Answer 30

all containers containing controlled products used in a workplace must be properly labelled.

Question 31

Worker education

Answer 31

training must include how WHMIS works harzards of controlled products procedures for safe storage, use and disposal emergency procedures

Question 32

Supplier labels

Answer 32

must include product identification WHMIS hazards symbols Risk phrases precautionary statements first aid measures statement advising that an MSDS is available manufacturer and supplier

Question 33

Workplace labels

Answer 33

the product names safe handling information reference to MSDS

Question 34

MSDSs must contain nine categories

Answer 34

Section 1, Hazardous Ingredients Section 2, Preparation Information Section 3, Product information Section 4, Physical Data Section 5, Fire or Explosion Hazard Section 6, Reactivity Data Section 7, Toxicological Properties Section 8, Preventive Measures Section 9, First Aid Measures

Question 35

Answer 35

Class A: Compressed Gas

Question 36

Answer 36

Class B: Flammable and Combustible Material

Question 37

Answer 37

Class C: Oxidizing Material

Question 38

Answer 38

Class D: Poisonous and Infectious Materials

Question 39

Answer 39

Class D, Dvision 2: Poisonous and Infectious Materials - other Toxic Effects

Question 40

Answer 40

Class D, Division 3: Poisonous and Infectious Materials - Biohazardous Infectious Material

Question 41

Answer 41

Class E: Corrosive Material

Question 42

Answer 42

Class F: Dangerously Reactive Material