NCCER MILLWRIGHT LEVEL 1 EXAM QUESTIONS WITH
COMPLETE SOLUTIONS GUARANTEED PASS BRAND NEW
2025
On a pedestal grinder, the gap between the grinding wheel and
work rest should not exceed: - ANSWER - >1/8 inch
The kind of abrasive material used in grinding wheels for
general purpose applications is: - ANSWER - >aluminum oxide
A blotter is used on a grinding wheel to: - ANSWER - >protect
the flanges from the abrasive grit, display information about
the wheel and compensate for the uneven surfaces on the
wheel
Flanges should at least be: - ANSWER - >1/3 the diameter of the
wheel
The best wheel to use for cleaning scale and dirt off a
workpiece is the: - ANSWER - >wire wheel
What is a natural abrasive? - ANSWER - >made of natural
material rather than synthetic
Under properties of abrasives, to what does the term hardness
refer? - ANSWER - >ability of a material to scratch or penetrate
another material
,The ____ is the part of the wheel that holds the grains together
- ANSWER - >bond
Markings for the wheel identification can be found on the
_______ - ANSWER - >Blotter
What is the recommended speed to run a grinding wheel? -
ANSWER - >Never run it faster that the max RPM of the
grinding wheel
How should you start a grinder? - ANSWER - >Stand off to the
side and wait a full minute
Is 46 or 60 the coarser grit? - ANSWER - >46
What are the 2 most commonly used abrasive materials? -
ANSWER - >Aluminum oxide and silicone carbide
For what purpose is the diamond dresser used? - ANSWER -
>When a very fine finish is required
What is the purpose of ring test? - ANSWER - >to check for
cracks
If a grinding wheel makes a ringing sound what does that
mean? - ANSWER - >wheel is not cracked
,What is the purpose of truing a grinding wheel? - ANSWER -
>Restores the shape of the wheel and makes the outer surface
of the wheel concentric with its bore
An out of balance wheel: - ANSWER - >vibrates
Belt grinders are useful for: - ANSWER - >quickly deburring and
chamfering a workpiece
What is the purpose of a GFCI? - ANSWER - >Senses drop in
current and switches power off
The kind of abrasive material use in grinding wheels for general
purpose application is: - ANSWER - >aluminum oxide
Is it safe to carry a portable grinder by the power cord? -
ANSWER - >False
Is it safe to use standard sockets with electric impact wrenches
- ANSWER - >False
The larger the power drill, the slower the RPMs and the higher
the torque - ANSWER - >True
Can you use conventional drill bits with a hammer drill? Why or
why not? - ANSWER - >Yes of the hammer drill has a switch to
turn off hammer action
Most cordless drills have torque control - ANSWER - >True
, Prolonged use of power or air tools can cause carpal tunnel
sydrome - ANSWER - >True
Is it safe to run an impact wrench with a universal joint and
socket attached - ANSWER - >No because it may throw off
attachments
What conditions would you use a GFCI - ANSWER - >Wet
conditions
What 3 things does a GFCI protect: - ANSWER - >1. Overload 2.
Overcurrent 3. Ground fault protection
A GFCI prevents all electrical shocks - ANSWER - >False
Higher voltage on a battery means: - ANSWER - >Greater power
of tool
What type of power load must be used in the low velocity tool?
Why? - 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: - ANSWER - >1. Grey 2. Brown 3. Green 4.
Yellow 5. Red 6. Purple
COMPLETE SOLUTIONS GUARANTEED PASS BRAND NEW
2025
On a pedestal grinder, the gap between the grinding wheel and
work rest should not exceed: - ANSWER - >1/8 inch
The kind of abrasive material used in grinding wheels for
general purpose applications is: - ANSWER - >aluminum oxide
A blotter is used on a grinding wheel to: - ANSWER - >protect
the flanges from the abrasive grit, display information about
the wheel and compensate for the uneven surfaces on the
wheel
Flanges should at least be: - ANSWER - >1/3 the diameter of the
wheel
The best wheel to use for cleaning scale and dirt off a
workpiece is the: - ANSWER - >wire wheel
What is a natural abrasive? - ANSWER - >made of natural
material rather than synthetic
Under properties of abrasives, to what does the term hardness
refer? - ANSWER - >ability of a material to scratch or penetrate
another material
,The ____ is the part of the wheel that holds the grains together
- ANSWER - >bond
Markings for the wheel identification can be found on the
_______ - ANSWER - >Blotter
What is the recommended speed to run a grinding wheel? -
ANSWER - >Never run it faster that the max RPM of the
grinding wheel
How should you start a grinder? - ANSWER - >Stand off to the
side and wait a full minute
Is 46 or 60 the coarser grit? - ANSWER - >46
What are the 2 most commonly used abrasive materials? -
ANSWER - >Aluminum oxide and silicone carbide
For what purpose is the diamond dresser used? - ANSWER -
>When a very fine finish is required
What is the purpose of ring test? - ANSWER - >to check for
cracks
If a grinding wheel makes a ringing sound what does that
mean? - ANSWER - >wheel is not cracked
,What is the purpose of truing a grinding wheel? - ANSWER -
>Restores the shape of the wheel and makes the outer surface
of the wheel concentric with its bore
An out of balance wheel: - ANSWER - >vibrates
Belt grinders are useful for: - ANSWER - >quickly deburring and
chamfering a workpiece
What is the purpose of a GFCI? - ANSWER - >Senses drop in
current and switches power off
The kind of abrasive material use in grinding wheels for general
purpose application is: - ANSWER - >aluminum oxide
Is it safe to carry a portable grinder by the power cord? -
ANSWER - >False
Is it safe to use standard sockets with electric impact wrenches
- ANSWER - >False
The larger the power drill, the slower the RPMs and the higher
the torque - ANSWER - >True
Can you use conventional drill bits with a hammer drill? Why or
why not? - ANSWER - >Yes of the hammer drill has a switch to
turn off hammer action
Most cordless drills have torque control - ANSWER - >True
, Prolonged use of power or air tools can cause carpal tunnel
sydrome - ANSWER - >True
Is it safe to run an impact wrench with a universal joint and
socket attached - ANSWER - >No because it may throw off
attachments
What conditions would you use a GFCI - ANSWER - >Wet
conditions
What 3 things does a GFCI protect: - ANSWER - >1. Overload 2.
Overcurrent 3. Ground fault protection
A GFCI prevents all electrical shocks - ANSWER - >False
Higher voltage on a battery means: - ANSWER - >Greater power
of tool
What type of power load must be used in the low velocity tool?
Why? - 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: - ANSWER - >1. Grey 2. Brown 3. Green 4.
Yellow 5. Red 6. Purple
