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Examoogle • User • info@examoogle.com • EE-2024-8821
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In breakdown maintenance which activities performed?
Trouble shooting
Replacement of parts
Locating problems
All of these
All of these
Quick Summary: Breakdown maintenance, also known as corrective or reactive maintenance, is performed only after an equipment failure has occurred to restore it to its operating state. It encompasses the entire diagnostic and repair lifecycle, including identifying the fault, troubleshooting the root cause, and executing the necessary part replacements.
Breakdown maintenance, also known as corrective or reactive maintenance, is performed only after an equipment failure has occurred to restore it to its operating state. It encompasses the entire diagnostic and repair lifecycle, including identifying the fault, troubleshooting the root cause, and executing the necessary part replacements.
MTTR=Number of Repairs∑Repair Times — Mean Time To Repair represents the average time to complete the breakdown maintenance cycle.
The principle relies on 'Run-to-Failure' logic, where the system is operated until a functional cessation occurs. Upon breakdown, the process initiates: (1) Localization of the faulty subsystem or component; (2) Troubleshooting to isolate the specific defect (e.g., electrical short, mechanical wear); (3) Execution of corrective actions including repairing or replacing components to restore service.
Breakdown maintenance is a reactive strategy, not a proactive one.
It is cost-effective for non-critical, low-cost items where downtime is not expensive.
Reliability index is typically lower compared to Preventive Maintenance (PM).
Requires ready availability of spare parts to minimize downtime.
Lower initial investment in monitoring equipment
No requirement for complex maintenance scheduling
Unpredictable downtime leading to production loss
Potential for secondary damage if components fail catastrophically
Domestic electrical appliances (e.g., light bulbs, switches)
Non-critical auxiliary plant equipment
This approach is often denoted as Corrective Maintenance in industrial standards.
Option A, B, and C are all sub-processes of the corrective cycle, making D the correct choice.
D is correct — Breakdown maintenance covers all aspects of failure response, including identifying, analyzing, and resolving the fault to restore machine functionality.
In competitive exams, remember that while Preventive Maintenance reduces failure risk, Breakdown Maintenance is the baseline 'default' state; always categorize maintenance types based on whether they occur before or after failure.