Interview Questions Answers in Electrical Engineering, Industrial Engineering

Questions / { harikeshkumaryadav }

Questions Answers Category Views Company eMail

How Many safety of Air circuit breaker

2 Electrical Engineering 4189

How Many Safety of Transformer

2 Electrical Engineering 5491

How many safety of Disel Generator

Sail,

5 Electrical Engineering 5159

How To Operate smoke Detector

1 Industrial Engineering 1777

Answers / { harikeshkumaryadav }

Question { Reliance, 4380 }

How much energy save vfd if motor run on 50 Hz (full speed)

Answer

If VFD Motor run 50HZ Full Speed then VFD saved energy
From starting Jurk Load because not taken jurk load
starting time.

Is This Answer Correct ?

1 Yes

0 No

Question { Carrier, 60696 }

What are the Safety measures in central chiller plant?
Explain them?

Answer

safety of centeral chiller plant

#1 High pressure (Head pressure)

#2 Low Pressure

#3 Anti frizer setting

#4 Water Flow switch

#5 Oil Pressuer

Is This Answer Correct ?

105 Yes

4 No

Question { 7669 }

what is the load amp of a 2 hp single phase motor?

Answer

I=W\V SINGLE PHASE VOLTAGE=230

I=746*2=1492

I=1492/230

I=6.4869

I=6.49

Is This Answer Correct ?

0 Yes

0 No

Question { Torrent Power, 6621 }

What is the difference between neutral and ground?

Answer

Neutral & Ground difference 0 to 03 volts Acceptable
Neutral is a complection device and ground is a protective
device for Human and all eqipement of circuit

Is This Answer Correct ?

1 Yes

1 No

Question { 4189 }

How Many safety of Air circuit breaker

Answer

#1 ELCB
#2 UB RELAY
#3 OVER VOLTAGE RELAY
#4 REVERSE POWER
#5 OVER CURRENT RELAY
#6 SHUNT RELAY ETC.

Is This Answer Correct ?

10 Yes

2 No

Question { Sail, 5159 }

How many safety of Disel Generator

Answer

#1-High Water Temprature
#2-Over Speed
#3-Low Lube Oil Pressure
#4-Low Coolant Level
#5-Under Voltage

Is This Answer Correct ?

2 Yes

1 No

Question { Hindustan Unilever Limited, 6095 }

Dear Sir / Madam,

Actually we requied 64 A MCB,

But i have 32 A MCB = 2 No's

this two i have to make series connection and we usw any
place?

isit possible or not......

Answer

MCB USE ONLY LOW TENSON THIS RANGE 6AMP. TO 63 AMP.

VCB USE ONLY HIGH TENSON LINE FROM 2000AMP TO 4300 AMP.

Is This Answer Correct ?

0 Yes

0 No

Question { 6251 }

how much the voltage & resistance should be ,between earth
& neutral points.?& why?

Answer

voltage and earth resistance 0 to 3 volt acceptable in india

Is This Answer Correct ?

5 Yes

0 No

Question { 2643 }

i have one ground earth for my shop but now he showing 11v how
ever my machine engineer said that he require less than 3v how
can we reduce it, i have put 8 bucket salty water in it

Answer

Your Earthing not working properly please checked earth

Wire and if broken wire please reconnect again

8V different is not acceptable.

Is This Answer Correct ?

5 Yes

0 No