NCCER INDUSTRIAL
MAINTENANCE
MECHANIC
CERTIFICATION LEVEL 1
QUESTION AND CORRECT
ANSWERS (VERIFIED
ANSWERS) PLUS
RATIONALES 2026 Q&A
INSTANT DOWNLOAD
PDF.
On a pedestal grinder, the gap between the grinding
wheel and work rest should not exceed: - answers
100% correct✔✔ 1/8 inch
,The kind of abrasive material used in grinding
wheels for general purpose applications is: -
answers 100% correct✔✔ aluminum oxide
A blotter is used on a grinding wheel to: - answers
100% correct✔✔ 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: - answers 100%
correct✔✔ 1/3 the diameter of the wheel
The best wheel to use for cleaning scale and dirt off
a workpiece is the: - answers 100% correct✔✔
wire wheel
What is a natural abrasive? - answers 100%
correct✔✔ made of natural material rather than
synthetic
Under properties of abrasives, to what does the term
hardness refer? - answers 100% correct✔✔
ability of a material to scratch or penetrate another
material
,The ____ is the part of the wheel that holds the
grains together - answers 100% correct✔✔
bond
Markings for the wheel identification can be found on
the _______ - answers 100% correct✔✔
Blotter
What is the recommended speed to run a grinding
wheel? - answers 100% correct✔✔ Never
run it faster that the max RPM of the grinding wheel
How should you start a grinder? - answers 100%
correct✔✔ Stand off to the side and wait a full
minute
Is 46 or 60 the coarser grit? - answers 100%
correct✔✔ 46
What are the 2 most commonly used abrasive
materials? - answers 100% correct✔✔
Aluminum oxide and silicone carbide
, For what purpose is the diamond dresser used? -
answers 100% correct✔✔ When a very fine
finish is required
What is the purpose of ring test? - answers 100%
correct✔✔ to check for cracks
If a grinding wheel makes a ringing sound what does
that mean? - answers 100% correct✔✔
wheel is not cracked
What is the purpose of truing a grinding wheel? -
answers 100% correct✔✔ Restores the
shape of the wheel and makes the outer surface of
the wheel concentric with its bore
An out of balance wheel: - answers 100%
correct✔✔ vibrates
Belt grinders are useful for: - answers 100%
correct✔✔ quickly deburring and chamfering a
workpiece
MAINTENANCE
MECHANIC
CERTIFICATION LEVEL 1
QUESTION AND CORRECT
ANSWERS (VERIFIED
ANSWERS) PLUS
RATIONALES 2026 Q&A
INSTANT DOWNLOAD
PDF.
On a pedestal grinder, the gap between the grinding
wheel and work rest should not exceed: - answers
100% correct✔✔ 1/8 inch
,The kind of abrasive material used in grinding
wheels for general purpose applications is: -
answers 100% correct✔✔ aluminum oxide
A blotter is used on a grinding wheel to: - answers
100% correct✔✔ 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: - answers 100%
correct✔✔ 1/3 the diameter of the wheel
The best wheel to use for cleaning scale and dirt off
a workpiece is the: - answers 100% correct✔✔
wire wheel
What is a natural abrasive? - answers 100%
correct✔✔ made of natural material rather than
synthetic
Under properties of abrasives, to what does the term
hardness refer? - answers 100% correct✔✔
ability of a material to scratch or penetrate another
material
,The ____ is the part of the wheel that holds the
grains together - answers 100% correct✔✔
bond
Markings for the wheel identification can be found on
the _______ - answers 100% correct✔✔
Blotter
What is the recommended speed to run a grinding
wheel? - answers 100% correct✔✔ Never
run it faster that the max RPM of the grinding wheel
How should you start a grinder? - answers 100%
correct✔✔ Stand off to the side and wait a full
minute
Is 46 or 60 the coarser grit? - answers 100%
correct✔✔ 46
What are the 2 most commonly used abrasive
materials? - answers 100% correct✔✔
Aluminum oxide and silicone carbide
, For what purpose is the diamond dresser used? -
answers 100% correct✔✔ When a very fine
finish is required
What is the purpose of ring test? - answers 100%
correct✔✔ to check for cracks
If a grinding wheel makes a ringing sound what does
that mean? - answers 100% correct✔✔
wheel is not cracked
What is the purpose of truing a grinding wheel? -
answers 100% correct✔✔ Restores the
shape of the wheel and makes the outer surface of
the wheel concentric with its bore
An out of balance wheel: - answers 100%
correct✔✔ vibrates
Belt grinders are useful for: - answers 100%
correct✔✔ quickly deburring and chamfering a
workpiece
