Millwright Level 1 Exam Questions With
Correct Answers
On a pedestal grinder, the gap between the grinding wheel and work
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rest should not exceed: - CORRECT ANSWER✔✔-1/8 inch
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The kind of abrasive material used in grinding wheels for general
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purpose applications is: - CORRECT ANSWER✔✔-aluminum oxide
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A blotter is used on a grinding wheel to: - CORRECT ANSWER✔✔-
| | | | | | | | | | |
protect the flanges from the abrasize grit, display information about the
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wheel and compensate for the uneven surfaces on the wheel
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Flanges should at least be: - CORRECT ANSWER✔✔-1/3 the diameter of
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the wheel |
The best wheel to use for cleaning scale and dirt off a workpiece is the: -
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CORRECT ANSWER✔✔-wire wheel
| | |
What is a natural abrasive? - CORRECT ANSWER✔✔-made of natural
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material rather than synthetic | | |
,Under properties of abrasives, to what does the term hardness refer? -
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CORRECT ANSWER✔✔-ability of a material to scratch or penetrate
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another material |
The ____ is the part of the wheel that holds the grains together -
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CORRECT ANSWER✔✔-bond |
Markings for the wheel identification can be found on the _______ -
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CORRECT ANSWER✔✔-Blotter |
What is the recommended speed to run a grinding wheel? - CORRECT
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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
| | | | | |
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? -
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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 -
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CORRECT ANSWER✔✔-False |
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
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not? - CORRECT ANSWER✔✔-Yes of the hammer drill has a switch to
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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 -
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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
Correct Answers
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
| | | | | |
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 |
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
