electric shock is due to current r voltage.?

12 Answers   National Steel, TCS,

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why ht motors are star connected?

0 Answers  

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To transmit the Power which must be present…? a) Reactance b) Resistance c) Capacitance d) none of above

9 Answers   ABC,

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Tell me about Simence PLC 'BLOCK'.How many types and what for.

1 Answers   Gurit,

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How to select Main CB Rating for 220 KW Load?

3 Answers   Voltech,

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why the flooring of substation is done with small pebbles or stones..?

16 Answers  

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How to calculate cable rating for 3 phase supply?

0 Answers  

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What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 Answers  

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AC voltage only create magnetic flux in coils, but in Solenoid coil how 24V DC volt create flux and pick the plunger

5 Answers  

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What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

0 Answers   DAE, Hindalco,

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

0 Answers  

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* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

2 Answers  

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