Electrical Department Quiz - 01

Electrical Department Quiz – 01 इस प्लेटफार्म पर आपको रेलवे के इलेक्ट्रिकल डिपार्टमेंट से संबंधित ऑब्जेक्टिव टाइप्स महत्वपूर्ण प्रश्न और उत्तर मिलेंगे।

Electrical Department Quiz – 01

QUIZ START

Results

Excellent.

Electrical Department Quiz - 01

Never mind you can try another time.

#1. Bucholz relay operates in the event of

Earth fault

Short circuit fault.

Evolution of internal gas

High temperature

#2. The alarm due to high winding temperature is operated at

80°C

95°C

85°C

90°C

#3. Max. limit of acidity of transformer oil in service

0.5 mg KOH/g of oil

0.3 mg KOH/g of oil

0.2 mg KOH/g of oil

0.4 mg KOH/g of oil

#4. Flash point of transformer oil should be above

150°C

140°C

180°C

185°C

#5. Min. IR value of main transformer between LV and HV windings

2500 mega ohm

3000 mega ohm

2000 mega ohm

1500 mega ohm

#6. Min. height of 25 KV bus bar from ground level at TSS

3.8 M

4 M

3.5 M

3.2 M

#7. 50% Overload of main Traction transformer is permitted for a period of

30 Minutes

15 Minutes

5 Minutes

Not allowed

#8. POH of transformer is to be carried out after every

12 years

07 years

10 years

05 years

#9. Discharge Rod cable to be replaced if %age if strands broken exceeds

20 %

10%

No strand cut allowed

#10. The UVR relay setting at SP corresponding to OHE voltage of

17.5 kv

18.5 kv

19 kv

15 kv

#11. Max. Tan delta value of the condenser bushing of main transformer.

0.1

0.0070

0.070

0.10

#12. Voltage rating of megger for measuring IR value of main transformer

2.5 kv

1.5 kv

0.5 kv

0.1 kv

#13. Time setting of relay is termed as

TMS

TSS

#14. Type of transformer oil to be used in new/ POH edtransformer.

Inhibited transformer oil as per IS 12463

EHV Transformer oil

Transformer oil as per IS 335

Transformer oil as per IS 1866

#15. The trip due to high Oil temperature is operated at

95°

85°

90°

80°

#16. MHO relay in TSS operate in the event of

Overload

Short circuit fault

Surgevoltage

Earth fault

#17. Lightening arrestorprovidedon the 25 kv side is rated for

60 kv

48 kv

42 kv

30 kv

#18. Normal rated current of OHE is

500 Amp

600 Amp

800 Amp

400 Amp

#19. Power factor above which rebate is allowed by GEB

0.95

0.9

0.85

None

#20. The contact demand is to be reviewed at interval of every

2 years

1 years

6 month

4 month

#21. The function of Silica gel breather is

To purify the moisture from other gas

To expel the moisture from other gas

Toprevent the moisture to enter with air

To separate the oil from air

#22. The electrode gap of oil test for BDV

2.0 mm

2.5 mm

4.0 mm

4.5 mm

#23. The length of conventional neutral section is

41.5 M

41.0 M

40.0 M

45.0 M

#24. Material of contact wire is

.Cadmium Copper

Electrolyte copper

Bronze copper

Hard Drawn copper

#25. Max. Torque Angle of WPC relay

45°

75°

90°

125°

Finish

Note :- Quiz passing marks 70% = Excellent.

Below 70% = Never mind you can try another time.

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अन्य क्विज –

Electrical Department Quiz

Electrical Department Quiz – 02

Electrical Department Quiz – 03

Electrical Department Quiz – 04

Electrical Department Quiz – 05

अन्य पढ़ें –

Resistance And Resistor

Electric Circuit

Ohm’s Law

Combination Set

Metal Cutting Method

Vernier Micrometer