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....

PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

0 Answers   RRB,

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What is maximum demand and contract demand?

5 Answers  

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the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?

2 Answers  

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What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?

0 Answers   Alam Group of Companies,

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What is knee point voltage of transformer?

0 Answers   Nabard,

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Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

0 Answers  

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Brushed alternator is also called dc generator ? its true or false ?explain it ?

5 Answers  

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Since phi is the angular displacement between V & I, then why we use phi in power triangle ie. when showing active, reactive & apperent power in triangular manner & if it is ok then where is V & I in the triangle.

1 Answers  

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What is meant by coupling capacitor?

0 Answers  

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WORKING PRINCIPAL OF MCB

5 Answers   TATA,

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What are the classifications of oscillators?

0 Answers  

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what is the thumb rule for determination resistance of resistor?

0 Answers   Siemens,

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