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Worksheets4. Track Tolerances, Track Recordings & Track Inspection
Total questions: 15
Worksheet time: 15mins
The Maximum Variation for Ballastless Track at laying stage is 1435 _____ mm.
± 1
± 2
- 2 to + 1
- 1 to + 3
In Turnouts, difference in Vertical wear between Switch & Stock rail if 4 mm or more
Replacement of Half Set of Switches
Intervention within a month
All the above
Permitted Variations in track parameters are known as Track Tolerances.
True
False
In Laying stage, the Maximum Variation of Cant/Cross level in Straight & Circular Curve is _____ mm.
+/- 1
+/- 2
+/- 3
+/- 5
OMS 2000 is used to record _______.
Horizontal Oscillation
Vertical Oscillation
Horizontal & Vertical Oscillation
Foot, Cab and Rear vehicle inspections are of different types.
True
False
The Average total number of Peaks/Km < 1.5 the track is ________.
Very Good
Good
Average
Bad
Urgent attention required for
Peaks > 0.35
Peaks < 0.35
Peaks > 0.15
Peaks < 0.15
Portable Accelerometers OMS 2000
Comprises Accelerometers & Transducers
Converts Oscillations to Electrical Signals
Electronic Recording & Computer Processing
All the above
Benefits of Track Inspection
Assessment of Previous Maintenance Effectiveness
Timely Planning for Track Maintenance
Timely Planning for Track Renewal Activities
All the above
In Cab Ride Inspection
Conducted on the first normal service train of the day
Covers the entire length of DMTCL Main line
Provides an Impression of Ride Quality
All the above
In Buffer stop, Maintenance is minimal if the frame has not been impacted and remains in the Installed Position.
True
False
During Annual Maintenance of Buffer Stop
Conduct Visual Inspection
Re-torque Clamp Bolts
Check Friction elements, regardless of train impact
All the above
The Average Total Number of Peaks/km > 3 the track is good.
True
False
Mainline track inspections conducted on Foot or by Cab riding.
True
False
