Work Practices and Procedures

A major safety precaution to observe when using a portable grinder is to

make sure to wet down the floor area.

make sure there is lots of ventilation.

remove all flammable materials from the work area.

make sure you are wearing a hard hat.

Correct! Wrong!

Before attempting to change a grinding wheel on a bench grinder, you should

adjust the tool rest.

block the opposite end of the shaft with a wrench.

move the switch to "off" and unplug the power cord.

remove the shield and light fixture.

Correct! Wrong!

The tool rest on a bench grinder must be adjusted with a maximum clearance of _______________ between the rest and the grinding wheel.

1.5 mm (1/16")

3 mm (1/8")

4.5 mm (3/16")

6 mm (1/4")

Correct! Wrong!

Which one of the following is the coarsest grinding wheel?

number 2

20 grit

number 12

80 grit

Correct! Wrong!

Why should you use only specially formulated air tool oil for lubricating air tools?

most other oils will be too light.

other oils may cause racing of the air tool.

other oils may contain ingredients that are toxic when in aerosol form.

it contains graphite to reduce air friction.

Correct! Wrong!

Which of the following is a dangerous practice which should never be performed?

wearing gloves while using air tools

using retainers to hold fittings in place

using compressed air to clean your clothing or skin

using compressed air to dry a part which has been cleaned in water

Correct! Wrong!

When using a pressure washer, one piece of personal safety equipment you must wear is

a face-shield.

leather gloves.

a respirator.

leather topped shoes

Correct! Wrong!

A common shop pressure washer can develop a water pressure at the spray nozzle exceeding

1 034 kPa (150 psi)

4 137 kPa (600 psi)

13 790 kPa (2 000 psi)

41 370 kPa (6 000 psi)

Correct! Wrong!

To measure with an accuracy of 0.0001 in., would require the use of a

vernier calliper

micrometer

vernier micrometer

dial vernier calliper

Correct! Wrong!

On an imperial micrometer, the graduations on the thimble are in increments of _____________ inches.

0.0001

0.001

0.01

0.1

Correct! Wrong!

A go/no-go gauge is more properly referred to as a

ribbon feeler gauge

wire feeler gauge

stepped feeler gauge

small hole gauge

Correct! Wrong!

It is the worker''s responsibility to wear proper safety equipment on the job site.

True

False

Correct! Wrong!

A worker''s personal safety is mainly the responsibility of the

WCB

worker

employer

safety committee

Correct! Wrong!

Under WCB regulations, corrosive means

physical deterioration caused by chemical action.

capable of being burned with an open flame.

an unpleasant or noxious odour.

capable of wearing away by rubbing.

Correct! Wrong!

Which of the following is required for eye protection when grinding?

sunglasses

plastic mono-goggles

flash goggles

full face shield

Correct! Wrong!

What type of footwear must be worn when working in the shop?

steel toed work boots

rubber boots

caulked boots

running shoes with safety toes

Correct! Wrong!

Rings and metal watch-bands constitute a hazard on the job and can contribute to a shock or a burn.

True

False

Correct! Wrong!

Pointing an air hose and blowing compressed air at another person is considered

common practice in some shops.

safe in most cases.

extremely dangerous.

okay the other person agrees.

Correct! Wrong!

The fire triangle has three components must you have to support combustion.

fuel, heat, carbon dioxide

heat, oxygen, fuel

carbon monoxide, fuel, heat

fuel, oxygen, carbon dioxide

Correct! Wrong!

When you extinguish a fire with a class A extinguisher, generally you are removing the

oxygen

fuel

heat

kindling

Correct! Wrong!

Fire extinguishers are classed according to

local regulations.

how long they will last

the type of fire they will extinguish.

the weight when full.

Correct! Wrong!

The classification of an electrical fire is

class A

class B

class C

class D'

Correct! Wrong!

Fires involving ordinary combustibles such as wood are considered

class A

class B

class C

class D

Correct! Wrong!

In a class C fire, the material burning is

combustible metals.

ordinary combustibles

electrical components

flammable liquids.

Correct! Wrong!

Fires involving gasoline and other flammable liquids are considered

class A

class B

class C

class D

Correct! Wrong!

The symbol indicating that an extinguisher is suitable for class C fires is a

square

triangle

star

circle

Correct! Wrong!

The symbol indicating that an extinguisher is suitable for class A fires is a

square

star

triangle

circle

Correct! Wrong!

The symbol indicating that an extinguisher is suitable for class B fires is a

square

triangle

star

circle

Correct! Wrong!

All injuries, no matter how small, are to be reported to the instructor or First Aid Attendant.

True

False

Correct! Wrong!

You can be relatively sure the vehicle driver or equipment operator knows where you are when

you wave at him.

you shout really loudly.

you make eye contact.

the operator feels the bump when you get run over.

Correct! Wrong!

Compressed gas cylinders such as oxygen cylinders are normally stored:

upright and secured.

on their side and secured.

leaning at no more than 45 degrees.

in groups of 5 or more cylinders.

Correct! Wrong!

The meaning of the word "caustic" is:

Dangerous

Poisonous

Harmless

Corrosive to the skin

Correct! Wrong!

The meaning of the word "toxic" is:

Dangerous

Poisonous

Harmless

Will burn skin

Correct! Wrong!

Airborne asbestos dust is a hazard because it:

Can create a very explosive atmosphere

Could contribute to lung problems if inhaled

Can become very slippery if allowed to accumulate on the floor

Can be very irritating to the eyes

Correct! Wrong!

Treatment of eye injuries or removing particles from the eye is the responsibility of:

The first aid attendant

An instructor

A fellow worker

One of the secretaries

Correct! Wrong!

How should electric cords be disconnected?

By pulling the plug

By a short length of cord in your hands

Does not matter

By pulling with long length of cord

Correct! Wrong!

Where should fire extinguishers be located?

Next to welding areas

In an accessible location

All of the above

Correct! Wrong!

It is the responsibility of a machine operator to ensure that guards are in place before starting the machine.

True

False

Correct! Wrong!

Safety glasses provide more impact protection than prescription glasses or sunglasses.

True

False

Correct! Wrong!

If you fail to put on safety glasses before using a grinder, you probably have not read what part of your employee''s manual?

General instructions and safety procedures

Parts list

Tool care

Specific operating instructions

Correct! Wrong!

A major safety precaution to observe when using a portable grinder is to

Before attempting to change a grinding wheel on a bench grinder, you should

The tool rest on a bench grinder must be adjusted with a maximum clearance of _______________ between the rest and the grinding wheel.

Which one of the following is the coarsest grinding wheel?

Why should you use only specially formulated air tool oil for lubricating air tools?

Which of the following is a dangerous practice which should never be performed?

When using a pressure washer, one piece of personal safety equipment you must wear is

A common shop pressure washer can develop a water pressure at the spray nozzle exceeding

To measure with an accuracy of 0.0001 in., would require the use of a

On an imperial micrometer, the graduations on the thimble are in increments of _____________ inches.

A go/no-go gauge is more properly referred to as a

It is the worker''s responsibility to wear proper safety equipment on the job site.

A worker''s personal safety is mainly the responsibility of the

Under WCB regulations, corrosive means

Which of the following is required for eye protection when grinding?

What type of footwear must be worn when working in the shop?

Rings and metal watch-bands constitute a hazard on the job and can contribute to a shock or a burn.

Pointing an air hose and blowing compressed air at another person is considered

The fire triangle has three components must you have to support combustion.

When you extinguish a fire with a class A extinguisher, generally you are removing the

Fire extinguishers are classed according to

The classification of an electrical fire is

Fires involving ordinary combustibles such as wood are considered

In a class C fire, the material burning is

Fires involving gasoline and other flammable liquids are considered

The symbol indicating that an extinguisher is suitable for class C fires is a

The symbol indicating that an extinguisher is suitable for class A fires is a

The symbol indicating that an extinguisher is suitable for class B fires is a

All injuries, no matter how small, are to be reported to the instructor or First Aid Attendant.

You can be relatively sure the vehicle driver or equipment operator knows where you are when

Compressed gas cylinders such as oxygen cylinders are normally stored:

The meaning of the word "caustic" is:

The meaning of the word "toxic" is:

Airborne asbestos dust is a hazard because it:

Treatment of eye injuries or removing particles from the eye is the responsibility of:

How should electric cords be disconnected?

Where should fire extinguishers be located?

It is the responsibility of a machine operator to ensure that guards are in place before starting the machine.

Safety glasses provide more impact protection than prescription glasses or sunglasses.

If you fail to put on safety glasses before using a grinder, you probably have not read what part of your employee''s manual?

Success!

Heavy-Duty Mechanic - Trucks & Equipment