Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

what is the use of spst switch in performing experiment on self excited dc motor?

2 4147

why occ characteristics curve in not tracing back when we are bringing back the rhoestat?

1870

why we cannot cool the room by opening the refrigerator ?

2 6291

In the Load Test of 3 Phase Squirrel Cage Induction Motor, 2 wattmeters are used. One of the wattmeter deflects in negative diretion during no load. Why?

CAT,

1 9176

How to design the blower for motor? how to two blowers connected in motor?

Ashok Leyland, TATA,

1 4367

what is the current pay package for an instrumentation engineer having 2 years of experience in cryogenic technology???????

1 5033

WHAT IS THE MASS FLOW FLOW METER

Reliance,

4 9034

what is Diversity factor in electrical installations

3 15158

how to decide the ratings of the MCCB,MCB in electrification.give me the proper thumb rule or procedure.

ABB,

3244

how to decide the ratings of the busbar in electrification.give me the proper thumb rule or procedure

ABB,

1 4838

why excitor coil of an alternator can fail

3 6050

1-How to calculate the CFM of HVAC ? 2-if we have CFM and then how can we calculate AC Duct size?

1 7282

is transformer, active or passive device? name some active and passive devices.

HSBC,

9 25055

66kv under ground cable how to layaing in ground any special case two ckt r runing

1995

From an electrical motor & electrical generator, which has more efficiency & why?

Sahi,

1 2975

Un-Answered Questions { Engineering }

what is allowable ac mixing in dc

2104

how we decide the require size is this for a known current at fuu load?

1964

2145

What should be the material composition of transformer oil filtration machine to avoid metal contamination in filtered oil?

1012

what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

2200

Design an underground tank of internal dimensions 6m x 3m x 3m. The soil surrounding the tank always remains dry. The tank shall be provided with a roof slab. The soil weighs 16000 N/m3 having an angle of repose of 30.

2108

How would you choose differential range?

1163

what is the meaning of WYE and DELTA in Electric meter?

3826

A Cat excavator loader of 3Lm*3 heaped capacity bucket is to be used to load blasted rock directly into a crusher of capacity (consumption) of 100L

2256

if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

1414

What is vane diagram in centrifugal pump?

2305

What are the minerals needed to make or build a car?

1114

excitation limit of an excitor

2057

Why is concrete cube test carried out?

1248

what is associate law?

1131

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