Answer / tameshwar singh

For low speed traction bow collectors & for high speed
pentograph collectors are normally used

Answer / hari

pentagraph collector

Answer / thi

is it sure.there are different answers given.but i put this
one only....

a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 Answers   Essar, PSPCL, PSTCL,

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Even when a particular generator in a generating station is under maintenance we are still able to maintain the same power output. How is this possible? Does the tie line between 2 generating stations have a role to play in it?

1 Answers   NTPC,

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What is the Difference Between resistance and resistivity?

2 Answers   Sun Pharma,

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What is floating voltage?

1 Answers  

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what is difference between neutral& grounding?

6 Answers  

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If R and Y terminals are short circuited,then power will cut. we all know that power cannot be stored.what will happen to already generated power at power station?

3 Answers  

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what is safety of ups

1 Answers   JLL,

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why mosquito bat makes noise when it hits with a insect?

2 Answers  

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What is the different types of cable & current capacity of cable

0 Answers  

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what is skin effect

7 Answers   NHPC,

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What is SNMP Card Monitoring in UPS???

2 Answers   Emerson, MAA, SNMP,

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how earth resistance can be improved in dry soil

0 Answers   BARC,

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