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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to calclate fault level

2 3148

how many wires need to be bring to the motor if its star delta starter

5 4746

Show formula which gives full load current 4.8 amps of a 3 HP motor and 27 amps of a 20 HP motor having 3 phase 460 volts, 0.8 Pf.

2 3444

What is the PI test stand for transformer and what is the producer to do this test?

1 4259

How to calculate the size of the cable? for exp i want to use the load of 10HP

4 4336

Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 2387

Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 1729

Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?

UltraTech,

1198

what is phase voltage phase current line current and their usage? provide diagram

1 2812

In hydro plant,generally we install vertical hydro generators..why dont we recommend horizontal one??

Alstom,

1 2939

In our factory there is one no. of Series trip HT 6KV OCB. 1. Is it possible to measure CT out put current by 440V Clamp meter? The measurement is required for knowing the exact value of current in CT secondary to set up protection for transformers. 2. plase forward the single line diagram of AMF panel?

HAL,

1 2116

What is Primary and Secondary Injection Test of CT and Relay.

2 19064

How Cable Size is determined for a Particular load.

4 4810

How size of Earth Strip is determined for a particular Fault current.

1 2781

How Size of Busbar is determined for a particular load.

2 5830


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Un-Answered Questions { Electrical Engineering }

The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.

1068


along with technical test papers

637


Write masons gain formula.

174


WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

1341


what is Fan Control Cubicle

1340






How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?

1391


Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

1703


State superposition theorem?

153


If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

1153


what is proper capacitor placement? How to evaluate capacitor size?

1184


Why use the vcb at high transmission system ? Why can’t use acb?

216


What is stepper motor?

177


Why saturation region slowly shifted in the left side?

975


would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......

1490


high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...

1023