Objective Question and Answer for Railway Departmental Exam C&W
C&W: What is maintenance? Why maintenance is required? Explain the maintenance systems
followed on Indian Railway system?
Maintenance: The methods of inspection, replacement or repair of components/assemblies, usage of the quality of material/specifications of materials and keeping the tolerances/dimensions is called maintenance.
Why maintenance is required: Maintenance is required on any equipment to keep it in
good working condition with safety, security and reliability so that it shall not fail
during the course of work.
Types of Maintenance
- Preventive maintenance: It is a method of carrying out inspection, repairs/ replacements of
components/assemblies before the failure of equipment. In Indian Railways the following
preventive maintenance methods are followed:
Trip Schedule, “A” Schedule, “B” Schedule, “IOH/ROH” and “POH”
- Breakdown maintenance: It is a method of carrying out inspection, repairs/ replacements of
components/assemblies after the failure of equipment. In Indian Railways the following
breakdown maintenance methods are followed: Sick line attention, Attention of derailments
and other accidents.
Both preventive and breakdown maintenances are followed on Indian Railways.
Railway Question Bank & Paper – C&W
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