Answer / k.prakashchandra

Armoured cables are used to protect cables from
physical/mechanical injuries

Answer / arun

answer 2 is partially correct but i would like to add one more point i.e armour is not only used for mechanical strength and it is also used for earthing i.e if any leakage occurs than that leakage currect will be earthed through this armour

Answer / pillay

3 phase motor can be cabled by any method provided
it provides the necessary safety at site and meets the
requirements of the regulations.
armoured cable is more often used because it is a faster and
a cheaper method that meets the requirements to connect a motor.

The power dissipated by a resistor of 10ohm when a current of 2A passes through it is:(a) 0.4W(b) 20W(c) 40W(d) 200W

2 Answers  

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why do we not use equivalent voltage source in negative sequence equivalent ckt.

0 Answers   TATA,

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will the introduction of capacitor bank parallel with the induction load reduce power consumption

4 Answers   Nokia, WAPDA Water and Power Development Authority,

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what is the difference between EMF and potential difference??

3 Answers  

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How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

1 Answers  

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What is the estimated total hydropower potential of india?

0 Answers  

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what will be the effect on a bulb in case its connetion is change from live and neutral to live and ground??? 1) in case of single phase AC supply 2) in case of DC supply.......???

1 Answers  

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why 3 phase motors are preferable over single phase motors ?

6 Answers  

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why we are using auto transformer in sub station mostly???

2 Answers  

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How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?

0 Answers   Vodafone,

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what is the constructional difference in generator if we want to genearate 6.6kv instead of 440v?

1 Answers   Anglo Eastern,

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Why ferranti effect occurred in leading p.f load?

1 Answers  

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