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Final Assessment Quiz_OHE Metro

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Cross section of Messenger wire in CMRL Metro is

a)

150 sq.mm

b)

129 sq.mm

c)

65 sq.mm

d)

107 sq.mm

2.

Cross section of Return conductor is

a)

107 sq.mm

b)

288 sq.mm

c)

233 sq.mm

d)

150 sq.mm

3.

Tension applied for Contact wire in Metro is

a)

1000 kgf

b)

1200 kgf

c)

1100 kgf

d)

600 kgf

4.

Normal Encumbrance provided in Highspeed OHE is 1.40 m

a)

FALSE

b)

TRUE

5.

Normal spacing of insulated brackets in Third Rail System is

a)

2.25 mtr

b)

5.00 mtr

c)

9.00 mtr

d)

6.75 mtr

6.

Full form of RRCS is

a)

Retractable Rigid Contact System

b)

Raised Rigid Catenary System

c)

Retractable Rigid Continuity System

d)

Rigid and Raised Catenary System

7.

Advantage of Spring ATD is

a)

Easy to Measure X & Y Value

b)

Lower Initial Cost

c)

None of the above

d)

Lower Maintenance

8.

Length of Current collector shoe is

a)

307mm

b)

500mm

c)

250mm

d)

200mm

9.

Wind stay dropper is used in Push Off arrangement

a)

TRUE

b)

FALSE

10.

“F” jumpers are provided at

a)

IOL

b)

UIOL

c)

Turnout

d)

Anti creep point

11.

The length of Conductor Rail at 3rd rail system is

a)

15mtr

b)

10mtr

c)

5mtr

d)

12mtr

12.

Creepage distance of BMC insulator is 200mm.

a)

True

b)

False

13.

Embedded length of High speed foundation is

a)

900mm

b)

500mm

c)

800mm

d)

600mm

14.

PTFE Neutral section is fit for the speed of

a)

70km/hr

b)

90km/hr

c)

100km/hr

d)

130km/hr

15.

Droppers are made of 2tx15mm Steel strip in DMRT project

a)

True

b)

False

16.

The length of Hanger in High speed is

a)

70mm

b)

100mm

c)

120mm

d)

150mm

17.

The Stay and Bracket Chair of 1.30mtr length is erected at Platform location

a)

True

b)

False

18.

Size of Al. Bracket tube in modular Cantilever is

a)

40mm

b)

49mm

c)

55mm

d)

70mm

19.

_______ is provided in 5-pulley to maintain clearance between insulator and Anti-falling rod

a)

Compensating Plate

b)

Equalizing plate

c)

Distance Eye Rod

d)

Anchor Double Strap

20.

Maximum Span adopted in Highspeed is

a)

72mtr

b)

63mtr

c)

54mtr

d)

50mtr

21.

Implantation of Droptube in ROCS arrangement inside tunnel is

a)

3mtr

b)

2.50mtr

c)

1mtr

d)

4.75mtr

22.

The weight of Expansion Joint in 3rd Rail system is

a)

52kg

b)

60kg

c)

90kg

d)

110kg

23.

Wire separation provided for Insulated Overlap is

a)

200mm

b)

250mm

c)

350mm

d)

500mm

24.

OHE Profile drawing referred at

a)

All the above

b)

Level Crossings

c)

Tunnels

d)

ROB / FOB

25.

OHE mast should be located in front of a signal post not less than _______.

a)

15m

b)

30m

c)

10m

d)

45m

26.

Light weight section insulators are provided for

a)

Sidings

b)

Medium speed

c)

High speed

d)

Low speed

27.

Long time clearance is

a)

200 mm

b)

250 cm

c)

250 mm

d)

200 cm

28.

Power block limit boards are to be provided between

a)

IOL to IOL

b)

X- Over

c)

Turnouts

d)

UIOL

29.

"EIG" Sanction is not required for 2.2 KV Charging

a)

TRUE

b)

FALSE

30.

Crossed type OHE arrangement is best design to adopt in cross over wiring.

a)

TRUE

b)

FALSE