NCCER MILLWRIGHT exam
newest update 93 questions
with verified solutions
What is used to highlight wear pattern in gear teeth? - correct answer ✔Bluing
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
The first step prior to pre-aligning a motor horizontally - correct answer ✔Inspect base plate
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
What 3 dimensions should be taken to fabricate a new flange gasket? - correct answer
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
✔Diameter of pipe opening, outside diameter of flange, diameter of bolt circle
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
On assembly, what is used to identify sub assemblies? - correct answer ✔Circles
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Bearing that is set too tight will cause premature failure because of - correct answer
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
✔Increased friction and decreased clearance ||| ||| ||| |||
Motors with open bearings should be thoroughly cleaned every - correct answer ✔Year
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Most vertical pumps are driven by - correct answer ✔Electric motors
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
To measure shoulder relief on a shaft, use a - correct answer ✔Radius gauge
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A flexible coupling is often installed on a pump and a motor to compensate for - correct
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
answer ✔Small differences in alignment
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, Machine frame distortion caused by tightening or loosening bolts of a single foot is called -
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
correct answer ✔Soft foot ||| ||| |||
What is gasket creep? - correct answer ✔Loss of thickness
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A turbine has been secured. What piece of equipment keeps the rotor from bowing? -
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
correct answer ✔The turning gear ||| ||| ||| |||
An impeller pumps efficiently when installed to - correct answer ✔Turn in one direction
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Which of the following is not allowed on any job site? - correct answer ✔A metal hard hat
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Cure for pump cavitations include - correct answer ✔Lowering the required head by reducing
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
discharge
|||
When transferring elevations, which tool is most precise? - correct answer ✔Optical level
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Which shade of tinted lens should be used when oxy-fuel cutting and welding? - correct
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
answer ✔4-6 |||
Why are colored threads woven into synthetic web slings? - correct answer ✔To indicate
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
damage and/or wear ||| |||
What is the pressure rise for a blower? - correct answer ✔2-10 psig
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A packing puller is used to remove packing material from - correct answer ✔A stuffing box
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
newest update 93 questions
with verified solutions
What is used to highlight wear pattern in gear teeth? - correct answer ✔Bluing
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
The first step prior to pre-aligning a motor horizontally - correct answer ✔Inspect base plate
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
What 3 dimensions should be taken to fabricate a new flange gasket? - correct answer
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
✔Diameter of pipe opening, outside diameter of flange, diameter of bolt circle
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
On assembly, what is used to identify sub assemblies? - correct answer ✔Circles
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Bearing that is set too tight will cause premature failure because of - correct answer
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
✔Increased friction and decreased clearance ||| ||| ||| |||
Motors with open bearings should be thoroughly cleaned every - correct answer ✔Year
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Most vertical pumps are driven by - correct answer ✔Electric motors
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
To measure shoulder relief on a shaft, use a - correct answer ✔Radius gauge
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A flexible coupling is often installed on a pump and a motor to compensate for - correct
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
answer ✔Small differences in alignment
||| ||| ||| |||
, Machine frame distortion caused by tightening or loosening bolts of a single foot is called -
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
correct answer ✔Soft foot ||| ||| |||
What is gasket creep? - correct answer ✔Loss of thickness
||| ||| ||| ||| ||| ||| ||| ||| |||
A turbine has been secured. What piece of equipment keeps the rotor from bowing? -
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
correct answer ✔The turning gear ||| ||| ||| |||
An impeller pumps efficiently when installed to - correct answer ✔Turn in one direction
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Which of the following is not allowed on any job site? - correct answer ✔A metal hard hat
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Cure for pump cavitations include - correct answer ✔Lowering the required head by reducing
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
discharge
|||
When transferring elevations, which tool is most precise? - correct answer ✔Optical level
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Which shade of tinted lens should be used when oxy-fuel cutting and welding? - correct
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
answer ✔4-6 |||
Why are colored threads woven into synthetic web slings? - correct answer ✔To indicate
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
damage and/or wear ||| |||
What is the pressure rise for a blower? - correct answer ✔2-10 psig
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A packing puller is used to remove packing material from - correct answer ✔A stuffing box
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
