Worksheets7. ATD, Overlaps, Turnout and Cross over (old)
Total questions: 15
Worksheet time: 8mins
'Y' Distance measured from _____ to _____
Bottom of counterweight to rail level.
Rail level to top of foundation.
None of these
Top of muff to bottom of counterweight.
Kgs of counterweight that have to be provided in a 3-pulley type system
0
450
665
650
Length of the distant rod provided in the ATD assembly is
2 Mtrs
3 Mtrs
1 Mtrs
0.5 Mtrs
Wire separation provided for UIOL is
200 mm
100 mm
300 mm
500 mm
Take OFF / Take ON point on Pantograph is
150 to 700 mm
650 to 720 mm
100 to 700 mm
200 to 500 mm
Expansion joints are not required in a third rail traction system.
TRUE
FALSE
'G' jumper should be provided in the UIOL location.
TRUE
FALSE
The parallel path shall be achieved in overlap between
3 to 5 m
No span is required
1 to 2 m
3 to 9 m
Insulated overlaps are provided with
PH-jumper
F-jumper
G-jumper
H-jumper
Insulated overlap is required for
OHE sectioning purpose
To keep OHE in current collection
To maintain the height of OHE conductors
All the above
At the obligatory location, the turn-out contact wire is kept ____ mm above the main line contact wire.
100 mm
50 mm
20 mm
5 mm
Advantage of Spring ATD is
Easy to Measure X & Y Values
Lower Initial Cost
None of the above
Lower Maintenance
Power block limit boards are to be provided at
IOL
X- Over
Turnouts
UIOL
Insulated overlaps should not be located just before the stop signal.
FALSE
TRUE
The ratio of five pulley regulating equipment is 1:3.
TRUE
FALSE
