Track Engineering - Ballast & Drainage
Authored by Rhys Roberts
Other
KG - Professional Development
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical size of ballast?
10mm
70mm
100mm
25mm - 64mm
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the functions of ballast? (Select more than one)
Free draining
Allows the track to be adjusted by manual/mechanical means
Gives vertical and lateral stability to the track
To make the track look neat and tidy
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the properties of ballast? (Select more than one)
Angular, strong and durable
Regular in size
Smooth
Shiny
Well consolidated
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the minimum shoulder width?
375mm - 450mm
250mm
450mm - 600mm
1m - 1.5m
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the minimum shoulder height?
250mm
300mm
1m
125mm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Drainage should allow water to disperse away from the railway and prevent flooding...
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the minimum crossfall in the track substructure?
1:5
1:500
1:20
1:100
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