Answer / k.prakashchandra

5P10 means 5 % error assured up to 10 times the rated current.

What is Fan Coil Unit . How can we calculate CFM .

3 Answers  

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which type of motor is used in automatic swing gate

0 Answers   Sail,

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What is meant by system?

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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.

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ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

1 Answers  

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What is the magnetic field (coil DC ) of Turbo Expander?

0 Answers   TATA,

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which inert gas is most apt to be used in a fluorescent lamp?? why ??

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1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 Answers   NTDC,

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A 6-pole, 50 Hz, 3-phase synchronous motor and on 8-pole, 50 Hz, 3-phase slip-ring induction motor are mechanically coupled and operate on the same 3-phase, 50 Hz supply. If they are left open-circuited, then the frequency of the voltage produced across any two slip rings would be

2 Answers   L&T,

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what will happen if we give a dc supply to a transformer.?

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what is use of reactive power in ac ckt.

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how we select ac fuse rating of an power inverter???

0 Answers   Simco,

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