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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

2137

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

3 9607

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

1943

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)

2417

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 3145

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

2 4421

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 6390

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

Micromax,

3 5544

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 3958

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

2 4817

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

2033

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

3 7200

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 3512

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 7337

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 7036


Un-Answered Questions { Engineering }

What is center priming?

1048


why you don not show protection and type of isolation in key single line diagram?

1985


What are sleeve and cotter joint?

1065


What is the major difference between Normal control loop and Cascade control loop and when to use cascade control loop?

3382


Manipulation of dead wt. tester double piston type.

2060


how to find impedance , mutual indatnce in transmission lines

2305


Where is the maximum temperature in refrigeration cycle? a.Between evaporator & compressor. b.At Compressor c.Between compressor and condensor. d.At condensor

2163


What is centre height in cnc lathe

5451


how to size an expansion tank in chiller system ?

2087


Why whenever a reciprocating compressor is switched ON or OFF it is put into unloading mode?

2085


you consider yourself suitable for the post in EIL?

1591


Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

2160


Can you please send me the previous 10 years solved question papers of GATE ?

2023


Test on three subjects Physics, Chemistry & Biology are to be conducted simultaneously the number of candidates for the tests are 68, 36 and 72 respectively. Candidates are to be seated in different rooms such that each room will have candidates of the same subject and the load on each invigilator be the same i.e. the number of candidates in each room should be the same what is the minimum number of rooms you need for the purpose

9472


what is Retainer?

2037