7/23/25, 9:12 AM Millwright NCCER
NCCER MILLWRIGHT PRACTICE EXAM UPDATED
EXAM 2025-2026 \COMPLETE QUESTIONS AND
CORRECT DETAILED SOLUTIONS \VERIFIED
SOLUTIONS ALREADY GRADED A+\LATEST UPDATE
2 Circles
3 4 Anodizing
Terms in this set (82)
What is used to highlight Bluing
wear pattern in gear
teeth?
The first step prior to pre- Inspect base plate
aligning a motor horizontally
What 3 dimensions should Diameter of pipe opening, outside diameter of flange, diameter
be taken to fabricate a of bolt circle
/ 1/8
, 7/23/25, 9:43 AM NCCER MILLWRIGHT
new flange gasket?
On assembly, what is used to Circles
identify sub assemblies?
Bearing that is set too Increased friction and decreased clearance
tight will cause premature
failure because of
Motors with open bearings Year
should be thoroughly
cleaned every
Most vertical pumps are Electric motors
driven by
To measure shoulder relief on Radius gauge
a shaft, use a
A flexible coupling is often Small differences in alignment
installed on a pump and a
motor to compensate for
Machine frame distortion Soft foot
caused by
tightening or loosening
bolts of a single foot is
called
What is gasket creep? Loss of thickness
A turbine has been secured. The turning gear
What piece of equipment
keeps the rotor from
bowing?
An impeller pumps Turn in one direction
efficiently when installed
to
Which of the following is A metal hard hat
not allowed on any job
site?
Cure for pump cavitations Lowering the required head by reducing discharge
include
When transferring Optical level
elevations, which tool is
most precise?
/ 2/8
NCCER MILLWRIGHT PRACTICE EXAM UPDATED
EXAM 2025-2026 \COMPLETE QUESTIONS AND
CORRECT DETAILED SOLUTIONS \VERIFIED
SOLUTIONS ALREADY GRADED A+\LATEST UPDATE
2 Circles
3 4 Anodizing
Terms in this set (82)
What is used to highlight Bluing
wear pattern in gear
teeth?
The first step prior to pre- Inspect base plate
aligning a motor horizontally
What 3 dimensions should Diameter of pipe opening, outside diameter of flange, diameter
be taken to fabricate a of bolt circle
/ 1/8
, 7/23/25, 9:43 AM NCCER MILLWRIGHT
new flange gasket?
On assembly, what is used to Circles
identify sub assemblies?
Bearing that is set too Increased friction and decreased clearance
tight will cause premature
failure because of
Motors with open bearings Year
should be thoroughly
cleaned every
Most vertical pumps are Electric motors
driven by
To measure shoulder relief on Radius gauge
a shaft, use a
A flexible coupling is often Small differences in alignment
installed on a pump and a
motor to compensate for
Machine frame distortion Soft foot
caused by
tightening or loosening
bolts of a single foot is
called
What is gasket creep? Loss of thickness
A turbine has been secured. The turning gear
What piece of equipment
keeps the rotor from
bowing?
An impeller pumps Turn in one direction
efficiently when installed
to
Which of the following is A metal hard hat
not allowed on any job
site?
Cure for pump cavitations Lowering the required head by reducing discharge
include
When transferring Optical level
elevations, which tool is
most precise?
/ 2/8
