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Engineering Interview Questions
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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

MTN,

1469

when liquid stored in spherical vessel,equilibrium shift towards liquid.what is the benefit of it?

 1 3545

Why we generate power at multiple of 11 i.e 11kv,33kv etc.

DTV Solutions, Havells, TCS,

9 20202

what is p11

 5 9675

what are software interrupts present in 8051 Microcontroller? Only Software interrupts//////

 2368

What is the reason for not giving very High Proportional Gain Kp in PID Controller?

ABB,

2 6955

What is the basic difference between Modbus and CAN Open Protocols

 5805

how does commutator convert a.c to d.c?

NRSC National Remote Sensing Centre, RBC,

1753

what is the actual difference betwen constructional details and constructional features?

 2 3150

how the 3phase induction motor is running in 2phase supply with help of capacitor?

 1 3454

What is Modulation and Demodulation?

 7 8125

Why we are using -48v in equipments?

1 3084

Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only.

ACC, JLL, ZETDC,

12 36837

what is freshnal Zone?

 1 3239

How much losses in microwave Link?

 1512

Un-Answered Questions { Engineering }

What are the different methods of firing circuits for line commutated converter?

1479

Explain design 8421 to 2421 binary code converter?

509

What is the significance of integral controller and derivative controller in a pid controller?

624

Which percentage of carpet area use in plot area of office building.

1379

The output of a 60hz full-wave bridge rectifier has a 60 hz ripple. It this circuit working properly?

774




The property of a metal that is determined by the indentation on a metal surface

1636

During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

1395

Air refrigeration cycle works on the

641

a rectangle grill of length 72 inch x 20 inch width.how to calculate bar spacing ,bar consist 8 mm thickness and spacing of bar is 2 inch.. calculate no of bar with formula

1209

Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

8999

why we do not megger to motor under system is very high vaccum condition. and what is the tempreture of vaccum conditon

1545

What are the requirements of a good fuel?

1572

What is maximum recommended velocity for steam in a plant pipe network?

602

as a electrical student why should i hire you?

1972

what is mathed of check the D.C MOTOR 181 KW (ARMATURE AND FIELD) WHAT IS THE MATHED OF CHECK THE THYRISTOR MODULE (HIGH CURRENT)

1545

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