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Engineering Interview Questions
Questions Answers Views Company eMail

The function of a transistor used in any of the ics is to perform switching action and not amplification. Then why diodes are not used instead of transistors as diodes also exhibit the same switching action?

1164

Why does sidebands vl come in case of analog modulation?

1044

Can we get light when the circuit is working?

993

Why cannot we use leds for rectification purpose?

1044

In a binary data sequence, the duration of symbol 0 or 1 is 1ms. If a carrier of freq 4khz is used in ask, what is the minimum transmission bandwidth required? What is min bandwidth?

952

What is transponder? Give the difference between transducer and transponder?

1123

How to measure frequency without cro?

1055

Explain at what voltage does land line telephone operate?

1039

Explain why does all cellular networks have same shape of sim? Why is it designed in such a particular shape? Does it have any other shape?

985

Tell me how to calculate knee point voltage? Describe its purpose for differential protection.

1054

Tell me why is 400 hz used for flight instruments and radio transmission system in aviation industry universally?

986

Noise with uniform power spectral density of n0w/hz is passed through a filter h (w) = 2 exp(-jwtd) followed by an ideal low pass filter of bandwidth bhz. What is the output noise power in watts?

1281

Tell me in a mosfet, what does the pinch off voltage refers to?

1044

What is the importance of the biasing in transister circuits?

1006

Why we need biasing for transistor, fet and mosfet?

1052


Un-Answered Questions { Engineering }

Which impurities form hard scale and which impurities soft scale ?

1093


Define what do you mean by donor and acceptor impurities?

1077


What is the allowable -ve crankcase pressure (vacuum) in the gas engine of 1.5 mw?

957


what is the difference between composite key and primary key in sap abap

2630


How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter

7765


What tools are used to test TCP/IP

2154


How many types of probe used in cro?

1209


What is profibus?

1123


A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

2818


what is the Purpose of Adding 20% of wet mortar & 1/3rd to Dry Mortar for PCC & Plastering & Rcc .is there any standard method for adding this .?

2314


how does the thyistor work in dc drive?

1985


why we open open condenser vacume early when the unit get balck?

1975


What do you mean by KG and KGS in Diesel Engine

6127


Write down the name of 2 lady Bir Pratin of Bangladesh

1985


Direction of flow of active power and reactive power with logic?

1754