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Engineering Interview Questions
Questions Answers Views Company eMail

use of automatic voltage regulator & input voltage of it?

1 3850

Can we use HRC fuse inplace of semi conductor fuse ? What are difference between them?

3 29079

What is the difference between ELCB and RCD

7 21086

Why is the electric shock from the DC supply is more dangerous than the shock from AC supply.

IBM,

8 12039

When a 25kV line touches the train, will passenger get shock?

3 7138

Two shafts A and B are made of same material. The diameter of the shaft B is twice that of shaft A. The ratio of power which can be transmitted by shaft A to that of shaft B is

Quest,

5 26924

The higest value of thermal conductivity is expected for a.) Solid ice b.) Melting ice c.) Water d.) Boiling water Give the thermal conductivity value for each.

2 4876

why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

1822

what is the difference between specific gravity and density of a substance?

8 12577

please send me previous question papers of rrb chennai applied for junior engineer in mechanical dept

2003

i want sample inteview question of chemical engg for BARC

BARC,

3123

Is it any dc fuses availbale in market? can we use one fuse for both AC & DC ?

6 7484

what should be the no load current of an induction motor

2 5906

What is the major difference between P.T. & C.V.T ? Why CVT is used in HT Transmission line in place of P.T.?

APGenco, OPTCL,

13 115333

what is the differnce between permitivity and permeability.

2 6912


Un-Answered Questions { Engineering }

hi my name is rakesh patel i just complited my be in instrumentation & control now i am going to working as a validation engineer in a poject department so what is a scope in a future as a validation engginer ? what line is good for me can any bady give me complete solution please? your regard rakesh patel

1969


WHY IBM MAINFRAME TECHNOLOY IS USED.THOUGH, SINCE ITS INTRODUCTION IT HAS NO MAJOR UPDATATION OR MODIFICATION;BUT STILL IT IS IN DEMAND........WWWWWWWWWWWWWWHHHHHYYYYYYYY????????????

1981


What is universal motor?

1097


1.How much batten required for 1 sqm Shuttering. 2.how much pipe & clamps required for staging of 100 sqm shuttering at 5.0 m height.

2308


Which is the common element between brass and bronze ?

1169


When we connect the large capacitor bank in series ?

1102


what is the meaning of 5% droop or 7% droop in AVR?

2326


What is a copper loss or i2r loss pc?

1152


What would you do if your captain were not following the instructions properly?

1110


How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9

2174


What is the difference between torque and power?

1138


what is method for testing CT

2153


whats is difference between anchorage length and development length

1878


What is the difference between relays and contactor construction wise?

2258


need the type of technical questions in written test

2027