praveen kumar


{ City } dehradun
< Country > india
* Profession * technician
User No # 107825
Total Questions Posted # 9
Total Answers Posted # 6

Total Answers Posted for My Questions # 12
Total Views for My Questions # 31655

Users Marked my Answers as Correct # 17
Users Marked my Answers as Wrong # 5
Questions / { praveen kumar }
Questions Answers Category Views Company eMail

What we change frequency from transformer. yes or no

Intas,

3 Electrical Engineering 5839

What is induction motor

Indoco Remedies,

1 Electrical Engineering 4544

Multimeter show phase to neutral volt 230 the per phase but phase to phase 415 not show 460 why.

Intas,

1 Electrical Engineering 5085

What mean power grid fail. why power grid fail.

Intas, Tech Mahindra,

1 Electrical Engineering 4980

alternator make voltage 120 degree. as we change degree ex. 100 and 160 or other degree then voltage make. yes or no and why

 Engineering 1053

when power factor leading above 1 than defect moter and kwh.

Syncom,

Engineering 1169

we use capister for power factor. when we use capaciter in dg circuit  than defect dg. can we use capaciter bank for dg circuit

Syncom,

Electrical Engineering 1415

150 hp moter how many kwh in 1 hour and what forfula 3 phase kwh.

College School Exams Tests, CPCL, Syncom, Thermax,

5 Electrical Engineering 5238

What mean 150 amp hour write on battery.

Syncom,

1 Electrical Engineering 2332



Answers / { praveen kumar }

Question { 3764 }

how to save the power?


Answer

ac not store in feucher only save current time. switch off the light and other machine not in use that time.
save power save money

Is This Answer Correct ?    0 Yes 0 No

Question { 5073 }

what is the Maximum voltage range for single phase


Answer

these ans are wrong 1 &2&3 ans is 180 to 230 volt allowed single phase.

Is This Answer Correct ?    0 Yes 0 No


Question { Shriram, 4946 }

In three phase, phase to phase voltage is 440 Volts, but the three phase motors are designed for 415 Volt, 50 hz, why


Answer

415 + - 10 %  is moter.

Is This Answer Correct ?    6 Yes 5 No

Question { 7717 }

What is ignitor and why it is use in Hpmv lamp ?


Answer

Dear all ignitor is a stater help glowing for hpmv lamp when lamp glow and ignitor disconct the lamp then lamp not off. i do practical this point.

Is This Answer Correct ?    8 Yes 0 No

Question { 2569 }

Can we use the ceiling fan regulator to run drill machine having 2000 watt power consumption?


Answer

after some time regulater burn.

Is This Answer Correct ?    0 Yes 0 No

Question { CPCL, 5238 }

150 hp moter how many kwh in 1 hour and what forfula 3 phase kwh.


Answer

dear ram sir what is kwh formula use you. ple tell me.
thanking verry much.

Is This Answer Correct ?    3 Yes 0 No