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Electrical interview questions – page 12

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  1. How much cuurrent flow through human body effected ????

  2. What are the standard transmision voltages in india?

  3. Why Batteries & Battery chargers are used in substation? what is the different between UPS & battery charger?

  4. What is the standard height for stancion supports? and what is the standard mounting height for different transmitters?

  5. Can Superposition theorem be applied to AC Circuits?CanThevenin's Theorem be applied to AC Circuit too?

  6. Why we use 110vac in overhead crains? why not 220v, 24v

  7. If the rank of a (5x6)matrix Q is 4, then which one of thefollowing statements is correct ?

  8. Whu the transformer noise during running condition?

  9. How speed control of induction motor?

  10. Why positive is earthed in communications

  11. Protection used for alternator , feeder , transmission line

  12. How to control speed of DC motor with AC power?

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  14. How can we calibrate RADAR LEVEL transmitter 0% to 100%

  15. What is the ideal earth resistance

  16. Which is the best, A/C DRIVES or D/C DRIVES for cranes,.........and why......?

  17. What is method for testing CT

  18. Why America use 60HZ 110V?

  19. What are the safety measures of Alternator Explain them?

  20. What is the meaning of transformer short circuit test?

  21. Why always electric field is linked with magnetic field???

  22. Why heat produced at junction of two different conductor.what care should be taken to minimize it.

  23. What is the method of electric earth for the protection of low voltage electric equipment

  24. How much is the starting current for HPMV lamps. How many lamps can u wire in a circuit

  25. What is short circuit analysis of electrical networks?What are the procedures to be followed for its calculation?

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  27. What are the factors considered for the selection of cable?

  28. What is the full form of CNC in electrical mechines.......?

  29. Wat will happen to the windings if the required current is not given to a stepper or dc motor , but voltage is constantly applied to it below required current??

  30. How we calculate the current carriying capacity of the different sizes of Aluminium busbar ?

  31. Do these factors (settling time, peak time, steady stateerror, overshoot, rise time, MPOS (Maximum percent overshoot)) are the part of first order, second order, higherorder, linear, non-linear, open-loop, closed-loop,homogeneous & non-homogeneous systems ?

  32. Heat can flow from a body at low temperature to a body at higher temperature only when ........ is supplied from an external sourceA). Voltage B). Current C). work D). Mass

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