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Engineering AllOther (1379) As electromagnetic waves travel in space only one can happen absorption attenuation reflection refraction
4 11239directional relay is typically used to respond in fault condition who it can be used just as reverse power protection which purely senes direction reversal to operate a circuit breaker?
1 3992I have carried out wiring for lighting in a shed in Industrial area which contains Metal halide lamps & have balanced in 3ph.Now when we put all the lines on in the daytime the current taken at 3phases at MCB comes to be equal i.e.28,29,28Amps respectively but in the night time i.e between 7p.m.to 11p.m. at the same MCb the current is 52,59,62Amp, though I have fit 63A MCB it is tripping in the above period.What may be the reason.? Note: This industry is located in industrial area where majority of steel ingot manufacturing plants are there. Whether this may be due to harmonic? what should I do to overcome above problem.pl suggest urgently.
4 6613If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.
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What is precision of a measurement?
Please let me know what is the simplest way of Calculating Mix Designs
Explain how to determine capacitor tolerance codes?
What is endurance limit and what is its value for steel ?
What is a good estimate for the absolute roughness for epoxy lined carbon steel pipe?
What is mineral fibers?
y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..
Define demand factor?
What is meant by pwm control?
Explain why the shape of op-amp is triangular not other shape?
What were vacuum tubes used for?
hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....
Which tests are performed on soil to decide the type of foundation to be provided.
What are pcbs?
What does dynamics of machines deals with ?