06 Preventive Maintenance

Which location is the most appropriate to observe the actual dynamic movement of the train?

• First train car

• Last train car

• Middle train car

• Train driver's cab

Match the following track components and the inspection to be conducted for each part.

• Check for severe gauge wear

• Expansion Joints

• Check for obstructions in the drainage line

• Welded Joints

• Check for contraction inhibition

• Ballast

• Check for too much deflection when loaded

• Fastenings

• Check for thread corrosion

• Rails

Which among the following is not under the inspection of fish-plated joints?

• Check for unusual corrosion or wearing

• Check for severe gauge wearing

• Check the gap

• Check for loose or slack sleepers

For the preventive maintenance of switch motor in the main line, we need to check the switch ​ (a)   device and verify if it is ​ (b)   properly.​

• locking
• functioning
• opening
• driving
• addressing

Which among the following is included in the inspection of the shunting yard?

• Check for any cracks

• Check for abnormal displacement

• Check for corrosion

• Check the insulation

For the preventive maintenance of ​ stock rails on the turnouts, we need to check for the ​ (a)   and ​ (b)   wear and record it for monitoring purposes.​

• vertical
• lateral
• X
• Y
• longitudinal
• upper
• lower

When a defective welded joint is observed, what is the minimum length of rail to be replaced for the said joint?

• 4 meters

• 5 meters

• 6 meters

• 7 meters

How can we ensure that there are no defects on the welded joints?

• By performing visual inspection

• By performing grinding of rails

• By performing dye penetrant test

• By performing ultrasonic inspection

Match the following preventive maintenance activity and its purpose.

• To avoid too much wearing of rails

• Foot patrol inspection

• To check the actual condition of the track components

• Rail grinding

• To remove uneven surfaces and defects on rails

• Rail lubrication

• To observe any abnormal swaying of the trains

• On-board train inspection

Performing preventive maintenance is ​ (a)   to the organization's operations since these occur regularly and involves ​ time, money, and ​ (b)   to complete each job. Hence, it is important to make ​ (c)   to make the preventive maintenance ​ (d)   .

• critical
• personnel
• prioritization of the activities
• efficient
• not important
• important
• materials
• effective
• line-up of activities
• master list of activities