WrkShopNo01

Question 0

What quantity is common to the causes of vibration?

Answer 0

Forces

Question 1

Name some sources of vibrations.

Answer 1

Function
Inadequate Design
Manufacturing Process
Installation
Wear and Abuse
Faulty Maintenance

Question 2

What are the common types of vibrations?

Answer 2

Harmonic
Impulsive
Random
Periodic
Pulsating

Question 3

How do vibrations help us in manufacturing?

Answer 3

Mixing
Screening
Conveying Material

Question 4

How do vibrations hinder us in manufacturing?

Answer 4

Induces errors in printing, imaging, machining, paper coating, and quality.

Question 5

What are some of the destructive effects of vibration?

Answer 5

Catastrophic Failure
Fatigue Failure
Loss of Product Quality
Human Annoyance

Question 6

Name some common uses of vibrations and explain their function.

Answer 6

Acceptance Testing: procurement of quality equipment.
Predictive Maintenance: Monitoring, Fault Diagnosis, Severity Evaluation.
Manufacturing: mixing, screening, conveyance of material.

Question 7

Explain the function of a vibration sensor.

Answer 7

The vibration sensor converts mechanical vibration into an electrical signal.

Question 8

What is the function of a trigger?

Answer 8

To relate the vibration signal to the angular position of the machine shaft. It detects a reference mark on the shaft

Question 9

Explain the role of machine vibrations in acceptance testing.

Answer 9

Testing of new and repaired equipment to ensure the procurement of quality equipment and quality of repairs.

Question 11

Explain the role of machine vibrations in maintenance.

Answer 11

Monitor for change
Fault diagnostics
Severity Evaluation

Question 12

Explain the concept of trending and alarm levels.

Answer 12

Trending provides a comparison of various data sets taken on different dates.

Alarm levels are set to indicate health of the machine and actions required.