Book 3: Unit 4 Review (Chapter 9-14)

Question 1

The “damaging factor” of an electrical circuit is the:
Select one:

A. Wattage

B. Voltage

C. Current

D. Electromotive force

E. Resistance

Answer 1

C. Current

Question 2

A class “C” type of fire involves combustion in:
Select one:

A. Metals

B. Flammable or combustible liquids

C. Ordinary materials

D. Inert gases

E. Live electrical equipment

Answer 2

E. Live electrical equipment

Question 3

In preparation for a confined space entry the emergency preparation procedure provides for all of the following except:
Select one:

A. Worker trained in artificial respiration

B. Training the observer to remove a worker

C. Adequate fresh air breathing equipment

D. Unit evacuation and assembly point

E. Aerosol emergency horn

Answer 3

B. Training the observer to remove a worker

Question 4

The Health and Safety Acts identify the obligations of_________.
Select one:

A. employees

B. inspectors

C. employers

D. employees, employers and inspectors

E. employees and employers

Answer 4

D. employees, employers and inspectors

Question 5

Personal protective equipment is very important not only during cleaning but at all times and includes all of the following except:
Select one:

A. Goggles

B. Cotton uniforms

C. Aprons

D. Welding shields

E. Gloves

Answer 5

D. Welding shields

Question 6

All of the following are Personal Precautions except:
Select one:

A. Consider the result of each act

B. Exercise caution

C. Be careful

D. Post safety hazards

E. Be sure you are working under safe conditions

Answer 6

D. Post safety hazards

Question 7

In preparation for a confined space entry the procedure lists the material hazards ‘unique’ to this entry including all of the following except:
Select one:

A. Toxic gases, i.e. H2S and chlorine

B. Pyrophoric materials

C. Toxic chemicals

D. Oxygen

E. Flammable gases

Answer 7

D. Oxygen

Question 8

Welding presents the danger of _____ to others in the area.
Select one:

A. Falling objects

B. Reduced oxygen content in the air

C. Falling from a height

D. Wall collapse

E. Eye damage from the arc

Answer 8

E. Eye damage from the arc

Question 9

When isolating a steam turbine-driven centrifugal pump, you should first:
Select one:

A. Open the breaker

B. Close the turbine exhaust steam valve

C. Close the pump inlet valve

D. Close the high-pressure steam inlet valve

E. Open the turbine casing drain

Answer 9

D. Close the high-pressure steam inlet valve

Question 10

Confined spaces include, but are not limited to all of the following except:
Select one:

A. Washrooms

B. Sewers

C. Silos

D. Tanks

E. Trenches

Answer 10

A. Washrooms

Question 11

The goal of Occupational Health and Safety legislation is to
Select one:

A. help establish a safe and healthy work environment

B. provide detailed safe work procedures to employers and workers

C. make sure that all workplace accidents result in convictions

D. eliminate all workplace incidents

Answer 11

A. help establish a safe and healthy work environment

Question 12

To prevent the formation of explosive mixtures, oxygen and acetylene cylinders should be:
Select one:

A. Equipped with different thread connectors

B. Stored outside

C. Painted different colours

D. Regularly hydro-tested

E. Stored at least 6 meters apart

Answer 12

E. Stored at least 6 meters apart

Question 13

A flammable limit for a particular fuel/air mixture is stated as:
Select one:

A. A temperature in degrees Celsius

B. The percentage of fuel in the mixture, by volume

C. The percentage of air in the mixture, by volume

D. The percentage of fuel in the mixture, by mass

E. The percentage of air in the mixture, by weight

Answer 13

B. The percentage of fuel in the mixture, by volume

Question 14

When a worker requires a safety harness and enters a vessel from the top, the harness shall:
Select one:

A. Keep the worker in a prone position

B. Be constructed of hemp material

C. Maintain the worker in a vertical position

D. Be attached to a winch

E. Be made of a synthetic material

Answer 14

C. Maintain the worker in a vertical position

Question 15

Overhead work presents the danger of _____ to others in the area.
Select one:

A. Reduced oxygen content in the air

B. Falling objects

C. Eye damage from the arc

D. Falling from a height

E. Wall collapse

Answer 15

B. Falling objects

Question 16

A small centrifugal pump, usually called a _____ is used to maintain the pressure in the fire protection system.
Select one:

A. Manual pump

B. Centrifugal pump

C. Mini pump

D. Jockey pump

E. Fire pump

Answer 16

D. Jockey pump

Question 17

Confined space entry presents all of the following potential hazards except:
Select one:

A. Moving vehicular traffic

B. The use of improper equipment creates potentially dangerous conditions

C. Improper lighting makes it difficult to see or identify hazards

D. The environment, or work in progress, may cause equipment being used to become a hazard

E. Harmful substances and/or creatures may be present

Answer 17

A. Moving vehicular traffic

Question 18

When working with or near electrical equipment, follow all of these common safety rules at all times except:
Select one:

A. Treat all electrical conductors as being alive until proven to be dead by actual testing

B. Observe safe minimum distances

C. Treat insulated conductors as if they are bare conductors since the insulation may be faulty

D. Be extra careful when working with live conductors

E. Use only independently grounded or double-insulated tools and equipment in order to avoid short circuit hazards

Answer 18

D. Be extra careful when working with live conductors

Question 19

It is the employer’s responsibility to ___________ personal protective equipment.
Select one:

A. Supply, ensure usage, and maintain

B. Wear, care for, and maintain

C. Supply and ensure usage of

D. Only supply

E. Supply, and encourage the use of

Answer 19

C. Supply and ensure usage of

Question 20

Under the WHMIS system suppliers are responsible for all of the following except:
Select one:

A. Training workers

B. Ensure proper labelling

C. Maintaining proper records

D. Supplying Material Safety Data Sheets for each controlled product

E. Classification of the product that they are providing to the workplace

Answer 20

A. Training workers