Answer / n panja

An electronic choke includes the functions of a starter and a magnetic choke which were used in older tube light (FLT). Moreover an electronic circuit is used to increase the supply frequency to minimize the flickering effect.

In a simple spur gear train, gears with 24, 48, 32, 72 and 96 teeth are in sequence. The gear with 24 teeth runs at 900 rpm. The speed in rpm of gear with 72 teeth is

1 Answers   Caterpillar,

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Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

0 Answers  

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why we use iron corn in transformer instead of wooden core

12 Answers  

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why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

1 Answers   GMR,

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what is ment by doublefield revolving theory?

2 Answers  

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In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

0 Answers  

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how we calculate the 30 KW 3phase electric motor current on noload

23 Answers   Monnet, Siemens, SSR, Supermac Industries,

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why do we earth the tandelta point of a power transformer bushing?

1 Answers  

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wat do knw aboot circuit breakers ?

9 Answers   IOCL,

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What is meaning of DRU in gen.of AVR.

2 Answers  

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Among the following Which is vector quantity? a. Flux b. permitivity c. flux density d. magnetic intensity

2 Answers  

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what is skin effect

7 Answers   NHPC,

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