CNC Chapter 7

Maintenance is a routine and ----------------- activity of keeping a particular machine

• Reducing
• adding
• Recurring
• ordering

The machines are always in an ………...working condition at the lowest possible cost.

• Optium
• normal
• lowest
• maxium

The performance of the machinery is related to what?

• speed
• dependable and reliable
• feed
• time

The maintenance cost is properly monitored to control ………….

• selling cost
• Buying cost
• profit cost
• overhead costs

“The maintenance carried at predetermined intervals

• Preventive Maintenance
• Running maintenance:
• Scheduled Maintenance
• Corrective Maintenance:

Maintenance includes those maintenance activities that are carried out while the machine or equipment is running

• Preventive Maintenance
• Scheduled Maintenance
• Running maintenance:
• Corrective Maintenance:

Set of preventive maintenance activities that are carried out when the production line is in total stoppage situation.

• Corrective Maintenance
• Running maintenance:
• Scheduled Maintenance:
• Shutdown preventive maintenance

Pdm means what?

• Preventive Maintenance
• Predictive maintenance
• production maintenance
• parts maintenance

Maintenance activities that are repetitive and periodic in nature such as lubrication, cleaning, and small adjustment.

• Predictive maintenance
• Preventive Maintenance
• Scheduled Maintenance
• production maintenance

Maintaining action for correcting or restoring failed unit is called ……………….

• Corrective Maintenance:
• Scheduled Maintenance
• Predictive maintenance
• Preventive Maintenance