Preventive Maintenance Millwright Level 4
Exam Questions With Verified Answers
Which is not a measure of amplitude?
A. displacement
B. velocity
C. acceleration
D. Vibration
D. Vibration
140. What style of maintenance involves scheduling and periodic disassembly of machines
for inspection
A. breakdown
B. proactive
C. predictive
D. preventive
Preventative
Reactive maintenance carry many disadvantages, including:
Sudden failures resulting in injury or fatalities.
What is the purpose of impact analysis?
What the potential cost would be if maintenance work is not performed.
Particle Analysis is used widely within predictive maintenance methods. This involves which of the
listed processes ?
Oil sample and laboratory analysis
Inspections, minor repair, and lubrication is classified as what type of maintenance?
Preventative maintenance
The first and most important check after starting up a compressor is?
Lube oil supply and oil pressure
Identify a disadvantage of the preventive maintenance approach.
Over inspection
The 4 styles of maintenance are:
Breakdown, proactive, predictive, and preventative
Identify a advantage of the predictive maintenance approach.
Shorter inspection time
Why does a machine running at 2000 rpm have more critical unbalance compared to a machine
running at 1000 rpm.
Doubling the rpm will quadruple the force caused by the unbalance.
Exam Questions With Verified Answers
Which is not a measure of amplitude?
A. displacement
B. velocity
C. acceleration
D. Vibration
D. Vibration
140. What style of maintenance involves scheduling and periodic disassembly of machines
for inspection
A. breakdown
B. proactive
C. predictive
D. preventive
Preventative
Reactive maintenance carry many disadvantages, including:
Sudden failures resulting in injury or fatalities.
What is the purpose of impact analysis?
What the potential cost would be if maintenance work is not performed.
Particle Analysis is used widely within predictive maintenance methods. This involves which of the
listed processes ?
Oil sample and laboratory analysis
Inspections, minor repair, and lubrication is classified as what type of maintenance?
Preventative maintenance
The first and most important check after starting up a compressor is?
Lube oil supply and oil pressure
Identify a disadvantage of the preventive maintenance approach.
Over inspection
The 4 styles of maintenance are:
Breakdown, proactive, predictive, and preventative
Identify a advantage of the predictive maintenance approach.
Shorter inspection time
Why does a machine running at 2000 rpm have more critical unbalance compared to a machine
running at 1000 rpm.
Doubling the rpm will quadruple the force caused by the unbalance.
