Electrical Engineering Interview Questions

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Make a list of materials and layout diagram for a 35hp motor, to be wired at 35meter away from the MDB in a chemical factory.

166Draw SLD for a panel has 500A Bus Bar rating, with 4 outgoing, each is 80 A (load current), showing the transformer and capacitor bank rating.

116Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

HMK,

224Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

HMK,

200Give accurate definitions for these electric terms: Inductor Inductance Inductive Induction Reactance Reactive Esam Baraka ٢١ ساعة

HMK,

219What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

2197. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is

What is duty cycle for HT motors? How many start permitted if mentioned as 01 for hot and 02 for cold per duty cycle?

GVK,

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Un-Answered Questions { Electrical Engineering }

When color of silica gel will gets change from blue to pink from Top to bottom?

state the working principle of incondenscent tube?

completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?

how we decide wire gauge for ac or dc coil and what is the basic diff. B/w these two coil?

What is the basic of DTH.

what is inverter and converter

The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com

whether fibre optic cable in high voltage earth conductor is used for protection circuits

If a surge divertor is required to be protected by 32 amp C Curve Circuit breaker does this limit the amount of protection from surges that you will acheive

What is the Load Capacity of Panther conductor (0.2) and dog conductor (0.2)

Is there any standard guidelines/Criteria to design NGR/NGT.?

How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

What is the main purpose of c.f.b.c.boiler