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Engineering Interview Questions
Questions Answers Views Company eMail

How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V

 1660

By cascading LPF and HPF active filter, the resulting circuit is A BPF B Narrow BPF C Wide BPF D All of these

3 8292

The magnitude of the gain or integrator transfer function using op-amp is A WR1Cf B -1/WR1Cf C -WR1Cf D 1/WR1Cf

1417

If R1=R2, then B=0.5, the total time T of square wave in astable multivibrator using op-amp is A T=RC B T=2 RC ln 3 C T=2 RC ln 2 D T=2RC ln (1+ 0.5)

1950

A multiplexer, with 3-bei data select inputs, is a A 4:1 multiplexer B 8:1 multiplexer C 16:1 multiplexer D 32:1 multiplexer

1 2442

Minimisation of Boolean logical expressions helps to reduce A Space B Number of gates C Cost D Space,number of gates and cost

2 3381

In 7-segment display system, zero blanking is used to blank out A All the leading zeros B All the trailing zeros C The zero in the MSB(location) D a and b

1 5291

In binary to gray converter, …………… gate is used. A AND B OR C NAND D EX-OR

Micromax,

3 4292

Why should not we run the IM in low voltage, if runs means what will happen?(for example instead of 400V we give 250V supply)

 2 3122

why transformers are put with supply for 24 hours before giving supplying to a locality?

 2 3745

how to get bearing & winding temperature of an induction motor?

 1454

line safety is not opening but drum safety opens what to do?

 3 5773

We have 2 11kv/433v transformers for 2saperate acb for mv panels and 1 bus coupler acb. Suppose I’ll close bus coupler what will happen or it will be share the load. Please suggestion and any modification required.

 1 2858

10 hp motor ,7.5 kw ,960 rpm, full load current 15.5, delta connection so how much take current no load trial time. any formula please give..... second question :- what is different between brekar control wiring and motor starter control wiring

MSP,

1 6502

When you received a RA Bill of contractor at HO duly checked and certified by Site In-charge, How to know at a glance it is complete in order, do have any one checklist format in this regard.

JMD Group,

2 5986

Un-Answered Questions { Engineering }

what is the chiller and working principal

1857

What is the current carrying capacity of 35sq.mm flexible cable?

1033

Which is the best option for maintaining water level of Boiler 1)Float type air break switches(well known as Mobry) or 2)DP type transmitter? Please explain in detail !

1327

Why the work per kg of air flow in axial flow compressor is less compared to centrifugal compressor for same pressure ratio ?

633

How are load losses and no-load losses measured at site in a DG set?

1308




Tell us what is pivot?

1

What is fuel ratio ?

669

What is a signal flow graph?

636

what are the applications of TIG welding

1164

Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

639

Hi all, please guide me about the volume. And percentage. Of steel fibre to be used. My project. Is Sifcon.

1743

What are some recent advancements in aeronautical engineering that have caught your attention, and how do you think they'll shape the industry?

210

A company canteen needs an automated system for its food and beverage management. The canteen receives food and beverage items from different distributors. All the non perishable items are stored in the store-room and the perishable items are put in the fridge. The manager should be able to add, delete or update food and beverage items onto the system and perishable and non perishable item details are to be stored separately. Both waiters and the cooks should be able to update the perishable items, but only the cooks should be allowed to update the non perishable items. Both cooks and waiters are not allowed to add or delete any items that are entered. identify the Schema, Table , Fields

2791

How is the keycode calculated while interfacing a keyboard with a microprocessor?

1393

give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

2230

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