Millwright Level 1 || 100% Verified Answers.
On a pedestal grinder, the gap between the grinding wheel and work rest should not exceed:
correct answers 1/8 inch
The kind of abrasive material used in grinding wheels for general purpose applications is:
correct answers aluminum oxide
A blotter is used on a grinding wheel to: correct answers protect the flanges from the abrasize
grit, display information about the wheel and compensate for the uneven surfaces on the
wheel
Flanges should at least be: correct answers 1/3 the diameter of the wheel
The best wheel to use for cleaning scale and dirt off a workpiece is the: correct answers wire
wheel
What is a natural abrasive? correct answers made of natural material rather than synthetic
Under properties of abrasives, to what does the term hardness refer? correct answers ability
of a material to scratch or penetrate another material
The ____ is the part of the wheel that holds the grains together correct answers bond
Markings for the wheel identification can be found on the _______ correct answers Blotter
What is the recommended speed to run a grinding wheel? correct answers Never run it faster
that the max RPM of the grinding wheel
How should you start a grinder? correct answers Stand off to the side and wait a full minute
Is 46 or 60 the coarser grit? correct answers 46
What are the 2 most commonly used abrasive materials? correct answers Aluminum oxide
and silicone carbide
For what purpose is the diamond dresser used? correct answers When a very fine finish is
required
What is the purpose of ring test? correct answers to check for cracks
If a grinding wheel makes a ringing sound what does that mean? correct answers wheel is not
cracked
What is the purpose of truing a grinding wheel? correct answers Restores the shape of the
wheel and makes the outer surface of the wheel concentric with its bore
An out of balance wheel: correct answers vibrates
Belt grinders are useful for: correct answers quickly deburring and chamfering a workpiece
,What is the purpose of a GFCI? correct answers Senses drop in current and switches power
off
The kind of abrasive material use in grinding wheels for general purpose application is:
correct answers aluminum oxide
Is it safe to carry a portable grinder by the power cord? correct answers False
Is it safe to use standard sockets with electric impact wrenches correct answers False
The larger the power drill, the slower the RPMs and the higher the torque correct answers
True
Can you use conventional drill bits with a hammer drill? Why or why not? correct answers
Yes of the hammer drill has a switch to turn off hammer action
Most cordless drills have torque control correct answers True
Prolonged use of power or air tools can cause carpal tunnel sydrome correct answers True
Is it safe to run an impact wrench with a universal joint and socket attached correct answers
No because it may throw off attachments
What conditions would you use a GFCI correct answers Wet conditions
What 3 things does a GFCI protect: correct answers 1. Overload 2. Overcurrent 3. Ground
fault protection
A GFCI prevents all electrical shocks correct answers False
Higher voltage on a battery means: correct answers Greater power of tool
What type of power load must be used in the low velocity tool? Why? correct answers Power
load with a crimped end must be used cause high power load would get lodged in the tool
6 colours ranging from lowest strength to highest strength for power load are: correct answers
1. Grey 2. Brown 3. Green 4. Yellow 5. Red 6. Purple
Power loads should not be carried loosely in pockets or aprons. Why? correct answers Could
be set off causing serious injury or death
Fasteners used in explosive actuated tools are: correct answers Manufactured from special
steel and tempered
A drive pin is a fastener used to: correct answers Permanently attach one material to another
What is base material? correct answers Material which the fastener shank is driven into
, To determine the sustainability of a base material, use a fastener as a centre punch struck by a
single average hammer blow. If the fastener is blunted ( meaning it can't fasten) the material
is too: correct answers Hard
To determine the sustainability of a base material, use a fastener as a centre punch struck by a
single average hammer blow. If the fastener penetrates easily, do not fasten because the
material is too: correct answers Soft
To determine the sustainability of a base material, use a fastener as a centre punch struck by a
single average hammer blow. If the material cracks or shatters, do not fasten because the
material is too: correct answers Brittle
A threaded knurled pin is designed for what material correct answers Mild steel
To be a qualified operator of an explosive actuated tool you must posses: correct answers
training in the use of each tool and familiarity with local safety regulations
OH&S states that operators of explosive actuate tools should always wear: correct answers
Eye protection
If a tool is found to be defective, you should: correct answers Mark it defective and call a
service representative
According to OH&S, what safety equipment is required when using an explosive actuate tool
in a confined area such as a small room? correct answers ear plugs and eye protection
Who is responsible if an accident occurs as a result of an unattended explosive actuated tool?
correct answers The operator
Should an explosive actuated tool be used in explosive or flammable area? correct answers
No
How often should an explosive actuated tool be cleaned under normal working conditions?
correct answers It should be cleaned daily or when it becomes sluggish
How much oil should be added to the tool parts after cleaning? correct answers None
What part requires replacement most often in a low velocity tool? correct answers Buffer
With a low velocity tool, what is a general rule of thumb for the placement and depth of
fasteners in steel? correct answers 1/2" from the edge, 2" apart and 1/4" deep
Do not fasten near welds with a low velocity tool because the steel may have been hardened
making the metal brittle correct answers True
Tension load in regards to explosive actuated tools is: correct answers a force applied
perpendicular to the base of the material
Shear load in regards to explosive actuated tools is: correct answers a force applied
perpendicular to the fastener
On a pedestal grinder, the gap between the grinding wheel and work rest should not exceed:
correct answers 1/8 inch
The kind of abrasive material used in grinding wheels for general purpose applications is:
correct answers aluminum oxide
A blotter is used on a grinding wheel to: correct answers protect the flanges from the abrasize
grit, display information about the wheel and compensate for the uneven surfaces on the
wheel
Flanges should at least be: correct answers 1/3 the diameter of the wheel
The best wheel to use for cleaning scale and dirt off a workpiece is the: correct answers wire
wheel
What is a natural abrasive? correct answers made of natural material rather than synthetic
Under properties of abrasives, to what does the term hardness refer? correct answers ability
of a material to scratch or penetrate another material
The ____ is the part of the wheel that holds the grains together correct answers bond
Markings for the wheel identification can be found on the _______ correct answers Blotter
What is the recommended speed to run a grinding wheel? correct answers Never run it faster
that the max RPM of the grinding wheel
How should you start a grinder? correct answers Stand off to the side and wait a full minute
Is 46 or 60 the coarser grit? correct answers 46
What are the 2 most commonly used abrasive materials? correct answers Aluminum oxide
and silicone carbide
For what purpose is the diamond dresser used? correct answers When a very fine finish is
required
What is the purpose of ring test? correct answers to check for cracks
If a grinding wheel makes a ringing sound what does that mean? correct answers wheel is not
cracked
What is the purpose of truing a grinding wheel? correct answers Restores the shape of the
wheel and makes the outer surface of the wheel concentric with its bore
An out of balance wheel: correct answers vibrates
Belt grinders are useful for: correct answers quickly deburring and chamfering a workpiece
,What is the purpose of a GFCI? correct answers Senses drop in current and switches power
off
The kind of abrasive material use in grinding wheels for general purpose application is:
correct answers aluminum oxide
Is it safe to carry a portable grinder by the power cord? correct answers False
Is it safe to use standard sockets with electric impact wrenches correct answers False
The larger the power drill, the slower the RPMs and the higher the torque correct answers
True
Can you use conventional drill bits with a hammer drill? Why or why not? correct answers
Yes of the hammer drill has a switch to turn off hammer action
Most cordless drills have torque control correct answers True
Prolonged use of power or air tools can cause carpal tunnel sydrome correct answers True
Is it safe to run an impact wrench with a universal joint and socket attached correct answers
No because it may throw off attachments
What conditions would you use a GFCI correct answers Wet conditions
What 3 things does a GFCI protect: correct answers 1. Overload 2. Overcurrent 3. Ground
fault protection
A GFCI prevents all electrical shocks correct answers False
Higher voltage on a battery means: correct answers Greater power of tool
What type of power load must be used in the low velocity tool? Why? correct answers Power
load with a crimped end must be used cause high power load would get lodged in the tool
6 colours ranging from lowest strength to highest strength for power load are: correct answers
1. Grey 2. Brown 3. Green 4. Yellow 5. Red 6. Purple
Power loads should not be carried loosely in pockets or aprons. Why? correct answers Could
be set off causing serious injury or death
Fasteners used in explosive actuated tools are: correct answers Manufactured from special
steel and tempered
A drive pin is a fastener used to: correct answers Permanently attach one material to another
What is base material? correct answers Material which the fastener shank is driven into
, To determine the sustainability of a base material, use a fastener as a centre punch struck by a
single average hammer blow. If the fastener is blunted ( meaning it can't fasten) the material
is too: correct answers Hard
To determine the sustainability of a base material, use a fastener as a centre punch struck by a
single average hammer blow. If the fastener penetrates easily, do not fasten because the
material is too: correct answers Soft
To determine the sustainability of a base material, use a fastener as a centre punch struck by a
single average hammer blow. If the material cracks or shatters, do not fasten because the
material is too: correct answers Brittle
A threaded knurled pin is designed for what material correct answers Mild steel
To be a qualified operator of an explosive actuated tool you must posses: correct answers
training in the use of each tool and familiarity with local safety regulations
OH&S states that operators of explosive actuate tools should always wear: correct answers
Eye protection
If a tool is found to be defective, you should: correct answers Mark it defective and call a
service representative
According to OH&S, what safety equipment is required when using an explosive actuate tool
in a confined area such as a small room? correct answers ear plugs and eye protection
Who is responsible if an accident occurs as a result of an unattended explosive actuated tool?
correct answers The operator
Should an explosive actuated tool be used in explosive or flammable area? correct answers
No
How often should an explosive actuated tool be cleaned under normal working conditions?
correct answers It should be cleaned daily or when it becomes sluggish
How much oil should be added to the tool parts after cleaning? correct answers None
What part requires replacement most often in a low velocity tool? correct answers Buffer
With a low velocity tool, what is a general rule of thumb for the placement and depth of
fasteners in steel? correct answers 1/2" from the edge, 2" apart and 1/4" deep
Do not fasten near welds with a low velocity tool because the steel may have been hardened
making the metal brittle correct answers True
Tension load in regards to explosive actuated tools is: correct answers a force applied
perpendicular to the base of the material
Shear load in regards to explosive actuated tools is: correct answers a force applied
perpendicular to the fastener
