Millwright Level 1 Actual Test | All Questions And Correct Answers | Graded
A+ | Latest Version 2024
On a pedestal grinder, the gap between the grinding wheel and work rest should not exceed: -
(CORRECT ANSWER)1/8 inch
The kind of abrasive material used in grinding wheels for general purpose applications is: - (CORRECT
ANSWER)aluminum oxide
A blotter is used on a grinding wheel to: - (CORRECT ANSWER)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 ANSWER)1/3 the diameter of the wheel
The best wheel to use for cleaning scale and dirt off a workpiece is the: - (CORRECT ANSWER)wire wheel
What is a natural abrasive? - (CORRECT ANSWER)made of natural material rather than synthetic
Under properties of abrasives, to what does the term hardness refer? - (CORRECT ANSWER)ability of a
material to scratch or penetrate another material
The ____ is the part of the wheel that holds the grains together - (CORRECT ANSWER)bond
Markings for the wheel identification can be found on the _______ - (CORRECT ANSWER)Blotter
What is the recommended speed to run a grinding wheel? - (CORRECT ANSWER)Never run it faster that
the max RPM of the grinding wheel
How should you start a grinder? - (CORRECT ANSWER)Stand off to the side and wait a full minute
1
,Is 46 or 60 the coarser grit? - (CORRECT ANSWER)46
What are the 2 most commonly used abrasive materials? - (CORRECT ANSWER)Aluminum oxide and
silicone carbide
For what purpose is the diamond dresser used? - (CORRECT ANSWER)When a very fine finish is required
What is the purpose of ring test? - (CORRECT ANSWER)to check for cracks
If a grinding wheel makes a ringing sound what does that mean? - (CORRECT ANSWER)wheel is not
cracked
What is the purpose of truing a grinding wheel? - (CORRECT ANSWER)Restores the shape of the wheel
and makes the outer surface of the wheel concentric with its bore
An out of balance wheel: - (CORRECT ANSWER)vibrates
Belt grinders are useful for: - (CORRECT ANSWER)quickly deburring and chamfering a workpiece
What is the purpose of a GFCI? - (CORRECT ANSWER)Senses drop in current and switches power off
The kind of abrasive material use in grinding wheels for general purpose application is: - (CORRECT
ANSWER)aluminum oxide
Is it safe to carry a portable grinder by the power cord? - (CORRECT ANSWER)False
Is it safe to use standard sockets with electric impact wrenches - (CORRECT ANSWER)False
2
,The larger the power drill, the slower the RPMs and the higher the torque - (CORRECT ANSWER)True
Can you use conventional drill bits with a hammer drill? Why or why not? - (CORRECT ANSWER)Yes of
the hammer drill has a switch to turn off hammer action
Most cordless drills have torque control - (CORRECT ANSWER)True
Prolonged use of power or air tools can cause carpal tunnel sydrome - (CORRECT ANSWER)True
Is it safe to run an impact wrench with a universal joint and socket attached - (CORRECT ANSWER)No
because it may throw off attachments
What conditions would you use a GFCI - (CORRECT ANSWER)Wet conditions
What 3 things does a GFCI protect: - (CORRECT ANSWER)1. Overload 2. Overcurrent 3. Ground fault
protection
A GFCI prevents all electrical shocks - (CORRECT ANSWER)False
Higher voltage on a battery means: - (CORRECT ANSWER)Greater power of tool
What type of power load must be used in the low velocity tool? Why? - (CORRECT ANSWER)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 ANSWER)1.
Grey 2. Brown 3. Green 4. Yellow 5. Red 6. Purple
3
, Power loads should not be carried loosely in pockets or aprons. Why? - (CORRECT ANSWER)Could be set
off causing serious injury or death
Fasteners used in explosive actuated tools are: - (CORRECT ANSWER)Manufactured from special steel
and tempered
A drive pin is a fastener used to: - (CORRECT ANSWER)Permanently attach one material to another
What is base material? - (CORRECT ANSWER)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 ANSWER)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 ANSWER)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 ANSWER)Brittle
A threaded knurled pin is designed for what material - (CORRECT ANSWER)Mild steel
To be a qualified operator of an explosive actuated tool you must posses: - (CORRECT ANSWER)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 ANSWER)Eye
protection
4
A+ | Latest Version 2024
On a pedestal grinder, the gap between the grinding wheel and work rest should not exceed: -
(CORRECT ANSWER)1/8 inch
The kind of abrasive material used in grinding wheels for general purpose applications is: - (CORRECT
ANSWER)aluminum oxide
A blotter is used on a grinding wheel to: - (CORRECT ANSWER)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 ANSWER)1/3 the diameter of the wheel
The best wheel to use for cleaning scale and dirt off a workpiece is the: - (CORRECT ANSWER)wire wheel
What is a natural abrasive? - (CORRECT ANSWER)made of natural material rather than synthetic
Under properties of abrasives, to what does the term hardness refer? - (CORRECT ANSWER)ability of a
material to scratch or penetrate another material
The ____ is the part of the wheel that holds the grains together - (CORRECT ANSWER)bond
Markings for the wheel identification can be found on the _______ - (CORRECT ANSWER)Blotter
What is the recommended speed to run a grinding wheel? - (CORRECT ANSWER)Never run it faster that
the max RPM of the grinding wheel
How should you start a grinder? - (CORRECT ANSWER)Stand off to the side and wait a full minute
1
,Is 46 or 60 the coarser grit? - (CORRECT ANSWER)46
What are the 2 most commonly used abrasive materials? - (CORRECT ANSWER)Aluminum oxide and
silicone carbide
For what purpose is the diamond dresser used? - (CORRECT ANSWER)When a very fine finish is required
What is the purpose of ring test? - (CORRECT ANSWER)to check for cracks
If a grinding wheel makes a ringing sound what does that mean? - (CORRECT ANSWER)wheel is not
cracked
What is the purpose of truing a grinding wheel? - (CORRECT ANSWER)Restores the shape of the wheel
and makes the outer surface of the wheel concentric with its bore
An out of balance wheel: - (CORRECT ANSWER)vibrates
Belt grinders are useful for: - (CORRECT ANSWER)quickly deburring and chamfering a workpiece
What is the purpose of a GFCI? - (CORRECT ANSWER)Senses drop in current and switches power off
The kind of abrasive material use in grinding wheels for general purpose application is: - (CORRECT
ANSWER)aluminum oxide
Is it safe to carry a portable grinder by the power cord? - (CORRECT ANSWER)False
Is it safe to use standard sockets with electric impact wrenches - (CORRECT ANSWER)False
2
,The larger the power drill, the slower the RPMs and the higher the torque - (CORRECT ANSWER)True
Can you use conventional drill bits with a hammer drill? Why or why not? - (CORRECT ANSWER)Yes of
the hammer drill has a switch to turn off hammer action
Most cordless drills have torque control - (CORRECT ANSWER)True
Prolonged use of power or air tools can cause carpal tunnel sydrome - (CORRECT ANSWER)True
Is it safe to run an impact wrench with a universal joint and socket attached - (CORRECT ANSWER)No
because it may throw off attachments
What conditions would you use a GFCI - (CORRECT ANSWER)Wet conditions
What 3 things does a GFCI protect: - (CORRECT ANSWER)1. Overload 2. Overcurrent 3. Ground fault
protection
A GFCI prevents all electrical shocks - (CORRECT ANSWER)False
Higher voltage on a battery means: - (CORRECT ANSWER)Greater power of tool
What type of power load must be used in the low velocity tool? Why? - (CORRECT ANSWER)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 ANSWER)1.
Grey 2. Brown 3. Green 4. Yellow 5. Red 6. Purple
3
, Power loads should not be carried loosely in pockets or aprons. Why? - (CORRECT ANSWER)Could be set
off causing serious injury or death
Fasteners used in explosive actuated tools are: - (CORRECT ANSWER)Manufactured from special steel
and tempered
A drive pin is a fastener used to: - (CORRECT ANSWER)Permanently attach one material to another
What is base material? - (CORRECT ANSWER)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 ANSWER)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 ANSWER)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 ANSWER)Brittle
A threaded knurled pin is designed for what material - (CORRECT ANSWER)Mild steel
To be a qualified operator of an explosive actuated tool you must posses: - (CORRECT ANSWER)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 ANSWER)Eye
protection
4
