During the testing of Electrical Equipment the test cables should not touch the equipments. For that testing engineers use to cotton rope to hang the cable from measuring Equipment to testing equipment terminal. Please explain the technical reason for this practice.

1 Answers  

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60 watt bulb and 1500watt iron which device has more resistance & why

5 Answers   RMSI,

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11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

0 Answers  

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How to specific gravity of battery will check, i didnt saw any hydrometer. & say me how to dip into the battery what are the specifications are given in the hydrometer?

1 Answers  

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watt meter have 4 terminals what there name??? and what theses 4 terminals indicates ?? and why 2 terminals are short circuited??

1 Answers  

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What is difference between ball screw and lead screw.

2 Answers  

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WHAT IS RETARDATION TEST IN DC MACHINES?

4 Answers  

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what is the calculation of power factor?

4 Answers   GATE,

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what is meant by distance protection ? how distance protection relay function ?

1 Answers   ABB,

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How will polarity test of Dy5 transformer ?

2 Answers   BSL,

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A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

0 Answers  

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How to calculate the size of earth cable to earth the neutral of UPS ?

0 Answers   N Johnson,

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