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Consider the following parameter:
1. Oil pressure
2. Bearing metal temperature
3. Drain oil temperature
4. Bearing vibration
5. Friction coefficien
1. Oil pressure
2. Bearing metal temperature
3. Drain oil temperature
4. Bearing vibration
5. Friction coefficien
Which of the above should be monitored for determining safe operation of journal bearing?
- a)1,2 and 3
- b)1,2, 3 and 4
- c)1, 2, 3 and 5
- d)All of the above
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Consider the following parameter:1. Oil pressure2. Bearing metal tempe...
Parameters to monitor for determining safe operation of journal bearing:
1. Oil pressure:
- Low oil pressure can result in inadequate lubrication which can cause excessive wear and tear of bearing surfaces.
- High oil pressure can cause excessive heat generation and damage to the bearing surfaces.
2. Bearing metal temperature:
- Elevated bearing temperature can indicate insufficient lubrication, excessive loading or misalignment.
- Too low bearing temperature can lead to inadequate lubrication and increased friction.
3. Drain oil temperature:
- Indicates the temperature of the oil leaving the bearing.
- High temperature can indicate excessive heat generation in the bearing and insufficient cooling.
- Low temperature can indicate insufficient lubrication.
4. Bearing vibration:
- Excessive bearing vibration can lead to fatigue failure and damage to the bearing.
- Can be caused by misalignment, imbalance, or inadequate lubrication.
5. Friction coefficient:
- Indicates the amount of friction between the bearing surfaces.
- High friction coefficient can cause excessive wear and tear on the bearing surfaces and lead to bearing failure.
Conclusion:
All the above parameters should be monitored to determine safe operation of journal bearings. Specifically, oil pressure, bearing metal temperature, drain oil temperature and bearing vibration are critical parameters that can indicate potential problems with the bearing.
1. Oil pressure:
- Low oil pressure can result in inadequate lubrication which can cause excessive wear and tear of bearing surfaces.
- High oil pressure can cause excessive heat generation and damage to the bearing surfaces.
2. Bearing metal temperature:
- Elevated bearing temperature can indicate insufficient lubrication, excessive loading or misalignment.
- Too low bearing temperature can lead to inadequate lubrication and increased friction.
3. Drain oil temperature:
- Indicates the temperature of the oil leaving the bearing.
- High temperature can indicate excessive heat generation in the bearing and insufficient cooling.
- Low temperature can indicate insufficient lubrication.
4. Bearing vibration:
- Excessive bearing vibration can lead to fatigue failure and damage to the bearing.
- Can be caused by misalignment, imbalance, or inadequate lubrication.
5. Friction coefficient:
- Indicates the amount of friction between the bearing surfaces.
- High friction coefficient can cause excessive wear and tear on the bearing surfaces and lead to bearing failure.
Conclusion:
All the above parameters should be monitored to determine safe operation of journal bearings. Specifically, oil pressure, bearing metal temperature, drain oil temperature and bearing vibration are critical parameters that can indicate potential problems with the bearing.
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Consider the following parameter:1. Oil pressure2. Bearing metal tempe...
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Consider the following parameter:1. Oil pressure2. Bearing metal temperature3. Drain oil temperature4. Bearing vibration5. Friction coefficienWhich of the above should be monitored for determining safe operation of journal bearing?a)1,2 and 3b)1,2, 3 and 4c)1, 2, 3 and 5d)All of the aboveCorrect answer is option 'B'. Can you explain this answer?
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