WorksheetsFinal Assessment Quiz_OHE Metro
Total questions: 30
Worksheet time: 15mins
Cross section of Messenger wire in CMRL Metro is
150 sq.mm
129 sq.mm
65 sq.mm
107 sq.mm
Cross section of Return conductor is
107 sq.mm
288 sq.mm
233 sq.mm
150 sq.mm
Tension applied for Contact wire in Metro is
1000 kgf
1200 kgf
1100 kgf
600 kgf
Normal Encumbrance provided in Highspeed OHE is 1.40 m
FALSE
TRUE
Normal spacing of insulated brackets in Third Rail System is
2.25 mtr
5.00 mtr
9.00 mtr
6.75 mtr
Full form of RRCS is
Retractable Rigid Contact System
Raised Rigid Catenary System
Retractable Rigid Continuity System
Rigid and Raised Catenary System
Advantage of Spring ATD is
Easy to Measure X & Y Value
Lower Initial Cost
None of the above
Lower Maintenance
Length of Current collector shoe is
307mm
500mm
250mm
200mm
Wind stay dropper is used in Push Off arrangement
TRUE
FALSE
“F” jumpers are provided at
IOL
UIOL
Turnout
Anti creep point
The length of Conductor Rail at 3rd rail system is
15mtr
10mtr
5mtr
12mtr
Creepage distance of BMC insulator is 200mm.
True
False
Embedded length of High speed foundation is
900mm
500mm
800mm
600mm
PTFE Neutral section is fit for the speed of
70km/hr
90km/hr
100km/hr
130km/hr
Droppers are made of 2tx15mm Steel strip in DMRT project
True
False
The length of Hanger in High speed is
70mm
100mm
120mm
150mm
The Stay and Bracket Chair of 1.30mtr length is erected at Platform location
True
False
Size of Al. Bracket tube in modular Cantilever is
40mm
49mm
55mm
70mm
_______ is provided in 5-pulley to maintain clearance between insulator and Anti-falling rod
Compensating Plate
Equalizing plate
Distance Eye Rod
Anchor Double Strap
Maximum Span adopted in Highspeed is
72mtr
63mtr
54mtr
50mtr
Implantation of Droptube in ROCS arrangement inside tunnel is
3mtr
2.50mtr
1mtr
4.75mtr
The weight of Expansion Joint in 3rd Rail system is
52kg
60kg
90kg
110kg
Wire separation provided for Insulated Overlap is
200mm
250mm
350mm
500mm
OHE Profile drawing referred at
All the above
Level Crossings
Tunnels
ROB / FOB
OHE mast should be located in front of a signal post not less than _______.
15m
30m
10m
45m
Light weight section insulators are provided for
Sidings
Medium speed
High speed
Low speed
Long time clearance is
200 mm
250 cm
250 mm
200 cm
Power block limit boards are to be provided between
IOL to IOL
X- Over
Turnouts
UIOL
"EIG" Sanction is not required for 2.2 KV Charging
TRUE
FALSE
Crossed type OHE arrangement is best design to adopt in cross over wiring.
TRUE
FALSE
