Maintenance Management interview questions

1. A.total repair downtime divided by the number of repairs, the measure of how maintainable a machine is
2. B.time between the point a failure becomes detectable and the functional failure, with the inspection interval set at no more than half of it
3. C.total operating time divided by the number of failures, the reliability measure of a repairable machine
4. D.FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones

Answer + AI explanation with Pro

1. A.MTBF
2. B.Reliability-centred maintenance
3. C.Autonomous maintenance
4. D.P-F interval

Answer + AI explanation with Pro

1. A.MTBF — FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones
2. B.MTBF — operators taking over cleaning, inspection, lubrication and tightening of their own machines through a seven-step programme
3. C.MTBF — total operating time divided by the number of failures, the reliability measure of a repairable machine
4. D.MTBF — autonomous maintenance, planned maintenance, focused improvement, quality maintenance, early equipment management, training, office TPM and safety-health-environment

Answer + AI explanation with Pro

1. A.total repair downtime divided by the number of repairs, the measure of how maintainable a machine is
2. B.notification raised, work order created and planned, materials reserved, work confirmed and the order technically completed with history
3. C.choosing each maintenance task from the consequences of a failure mode using the seven questions of SAE JA1011, rather than a fixed calendar
4. D.FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones

Answer + AI explanation with Pro

1. A.P-F interval
2. B.Infrared thermography
3. C.Autonomous maintenance
4. D.MTTR

Answer + AI explanation with Pro

1. A.MTTR — total repair downtime divided by the number of repairs, the measure of how maintainable a machine is
2. B.MTTR — non-contact imaging that reveals hot spots in electrical joints, motor bearings and refractory before they fail, done on a route
3. C.MTTR — total operating time divided by the number of failures, the reliability measure of a repairable machine
4. D.MTTR — choosing each maintenance task from the consequences of a failure mode using the seven questions of SAE JA1011, rather than a fixed calendar

Answer + AI explanation with Pro

1. A.total repair downtime divided by the number of repairs, the measure of how maintainable a machine is
2. B.total operating time divided by the number of failures, the reliability measure of a repairable machine
3. C.autonomous maintenance, planned maintenance, focused improvement, quality maintenance, early equipment management, training, office TPM and safety-health-environment
4. D.FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones

Answer + AI explanation with Pro

1. A.Autonomous maintenance
2. B.TPM eight pillars
3. C.Reliability-centred maintenance
4. D.Vibration spectrum analysis

Answer + AI explanation with Pro

1. A.TPM eight pillars — FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones
2. B.TPM eight pillars — notification raised, work order created and planned, materials reserved, work confirmed and the order technically completed with history
3. C.TPM eight pillars — autonomous maintenance, planned maintenance, focused improvement, quality maintenance, early equipment management, training, office TPM and safety-health-environment
4. D.TPM eight pillars — operators taking over cleaning, inspection, lubrication and tightening of their own machines through a seven-step programme

Answer + AI explanation with Pro

1. A.FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones
2. B.total operating time divided by the number of failures, the reliability measure of a repairable machine
3. C.autonomous maintenance, planned maintenance, focused improvement, quality maintenance, early equipment management, training, office TPM and safety-health-environment
4. D.operators taking over cleaning, inspection, lubrication and tightening of their own machines through a seven-step programme

Answer + AI explanation with Pro

1. A.Autonomous maintenance
2. B.Vibration spectrum analysis
3. C.SAP PM work order flow
4. D.P-F interval

Answer + AI explanation with Pro

1. A.Autonomous maintenance — operators taking over cleaning, inspection, lubrication and tightening of their own machines through a seven-step programme
2. B.Autonomous maintenance — total operating time divided by the number of failures, the reliability measure of a repairable machine
3. C.Autonomous maintenance — autonomous maintenance, planned maintenance, focused improvement, quality maintenance, early equipment management, training, office TPM and safety-health-environment
4. D.Autonomous maintenance — time between the point a failure becomes detectable and the functional failure, with the inspection interval set at no more than half of it

Answer + AI explanation with Pro

1. A.total operating time divided by the number of failures, the reliability measure of a repairable machine
2. B.time between the point a failure becomes detectable and the functional failure, with the inspection interval set at no more than half of it
3. C.choosing each maintenance task from the consequences of a failure mode using the seven questions of SAE JA1011, rather than a fixed calendar
4. D.autonomous maintenance, planned maintenance, focused improvement, quality maintenance, early equipment management, training, office TPM and safety-health-environment

Answer + AI explanation with Pro

1. A.Reliability-centred maintenance
2. B.MTBF
3. C.TPM eight pillars
4. D.P-F interval

Answer + AI explanation with Pro

1. A.Reliability-centred maintenance — notification raised, work order created and planned, materials reserved, work confirmed and the order technically completed with history
2. B.Reliability-centred maintenance — total operating time divided by the number of failures, the reliability measure of a repairable machine
3. C.Reliability-centred maintenance — FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones
4. D.Reliability-centred maintenance — choosing each maintenance task from the consequences of a failure mode using the seven questions of SAE JA1011, rather than a fixed calendar

Answer + AI explanation with Pro

1. A.autonomous maintenance, planned maintenance, focused improvement, quality maintenance, early equipment management, training, office TPM and safety-health-environment
2. B.FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones
3. C.total operating time divided by the number of failures, the reliability measure of a repairable machine
4. D.operators taking over cleaning, inspection, lubrication and tightening of their own machines through a seven-step programme

Answer + AI explanation with Pro

1. A.MTTR
2. B.Vibration spectrum analysis
3. C.Infrared thermography
4. D.TPM eight pillars

Answer + AI explanation with Pro

1. A.Vibration spectrum analysis — FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones
2. B.Vibration spectrum analysis — total operating time divided by the number of failures, the reliability measure of a repairable machine
3. C.Vibration spectrum analysis — choosing each maintenance task from the consequences of a failure mode using the seven questions of SAE JA1011, rather than a fixed calendar
4. D.Vibration spectrum analysis — time between the point a failure becomes detectable and the functional failure, with the inspection interval set at no more than half of it

Answer + AI explanation with Pro

1. A.FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones
2. B.notification raised, work order created and planned, materials reserved, work confirmed and the order technically completed with history
3. C.autonomous maintenance, planned maintenance, focused improvement, quality maintenance, early equipment management, training, office TPM and safety-health-environment
4. D.time between the point a failure becomes detectable and the functional failure, with the inspection interval set at no more than half of it

Answer + AI explanation with Pro

1. A.Infrared thermography
2. B.MTTR
3. C.Reliability-centred maintenance
4. D.SAP PM work order flow

Answer + AI explanation with Pro

1. A.SAP PM work order flow — total repair downtime divided by the number of repairs, the measure of how maintainable a machine is
2. B.SAP PM work order flow — operators taking over cleaning, inspection, lubrication and tightening of their own machines through a seven-step programme
3. C.SAP PM work order flow — notification raised, work order created and planned, materials reserved, work confirmed and the order technically completed with history
4. D.SAP PM work order flow — choosing each maintenance task from the consequences of a failure mode using the seven questions of SAE JA1011, rather than a fixed calendar

Answer + AI explanation with Pro

1. A.operators taking over cleaning, inspection, lubrication and tightening of their own machines through a seven-step programme
2. B.time between the point a failure becomes detectable and the functional failure, with the inspection interval set at no more than half of it
3. C.total repair downtime divided by the number of repairs, the measure of how maintainable a machine is
4. D.notification raised, work order created and planned, materials reserved, work confirmed and the order technically completed with history

Answer + AI explanation with Pro

1. A.MTBF
2. B.P-F interval
3. C.SAP PM work order flow
4. D.Autonomous maintenance

Answer + AI explanation with Pro

1. A.P-F interval — time between the point a failure becomes detectable and the functional failure, with the inspection interval set at no more than half of it
2. B.P-F interval — non-contact imaging that reveals hot spots in electrical joints, motor bearings and refractory before they fail, done on a route
3. C.P-F interval — total operating time divided by the number of failures, the reliability measure of a repairable machine
4. D.P-F interval — choosing each maintenance task from the consequences of a failure mode using the seven questions of SAE JA1011, rather than a fixed calendar

Answer + AI explanation with Pro

1. A.notification raised, work order created and planned, materials reserved, work confirmed and the order technically completed with history
2. B.FFT of a bearing-housing signal where 1× running speed points to unbalance, 2× to misalignment and BPFO/BPFI frequencies to bearing defects, graded against ISO 20816 zones
3. C.time between the point a failure becomes detectable and the functional failure, with the inspection interval set at no more than half of it
4. D.non-contact imaging that reveals hot spots in electrical joints, motor bearings and refractory before they fail, done on a route

Answer + AI explanation with Pro

1. A.TPM eight pillars
2. B.Infrared thermography
3. C.SAP PM work order flow
4. D.MTTR

Answer + AI explanation with Pro

1. A.Infrared thermography — non-contact imaging that reveals hot spots in electrical joints, motor bearings and refractory before they fail, done on a route
2. B.Infrared thermography — operators taking over cleaning, inspection, lubrication and tightening of their own machines through a seven-step programme
3. C.Infrared thermography — choosing each maintenance task from the consequences of a failure mode using the seven questions of SAE JA1011, rather than a fixed calendar
4. D.Infrared thermography — notification raised, work order created and planned, materials reserved, work confirmed and the order technically completed with history

Answer + AI explanation with Pro