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BSNL Interview Questions
Questions Answers Views Company eMail

Oscillator crystal are made of a.) Silicon b.) Germanium c.) Quartz d.) None

5 9972

For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

11 12343

. If we have a parallel plate capacitor of plate area 'A' and plate separatoin t and having a capacity C and a metallic plate r of area A and of negligible thickness is introduced in the capacitor at a distance from either of the two plates as shown in the given figure then the capacity of the capacitor will become a.) b.) C c.) 2C d.) 4C

3 4188

. A superconductor is a a.) A material showing perfect conductivity and Meissner effect below a critical temperature b.) A conductor having zero resistance c.) A perfect conductor with highest di-magnetic susceptibility d.) A perfect conductor which becomes resistance when the current density through it exceeds a critical value

1 4110

When an inductor tunes at 200 KHz with 624 pF capacitor and at 600 KHz with 60.4 pF capacitor then the self capacitance of the inductor would be a) 8.05 pF b) 10.05pF c.) 16.01pF d.) 20.01pF

3 4740





Sparking occur when a load is switched off because the circuit has high a.) Inductance b.) Capacitance c.) Resistance d.) None

13 24993

Sparking between contacts can be reduced by inserting a a.) Resistance in the line b.) Capacitor in series with contacts c.) Capacitor in parallel with contacts d.) None

4 10453

RF amplifier of an A.M. receiver is normally biased in a.) Class 'A' b.) Class 'b' c.) Class 'C' d.) None

5 9826

How will you Physically differentiate A.C and D.C motor?

10 13365

modern capacitors which have high capacitance in small size use a dielectric of?

4 6341

6dB pad introduces how much attenuation?

3 6566

Sir Please send me TTA 2008 or previous questions papers on my email

770

WHAT IS LINIER MOTOR?

4 5192

IS THERE ANY COADING PRESENT IN EPBX SYSTEM? IF YES THEN HOW WE CAN INSTALL IT?

1 1756

1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

4 8627

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Un-Answered Questions

what are the advertising costs for TV ads at time of IPL ?

383


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

73


Why two phase welding machine is used instead of three phase welding machine.

464


You are charged with reducing mortality and morbidity from pre-term delivery in your unit. How would you proceed?

835


What are the basic principles of regulation ?

1930






what is meant by brushed alternator & its working principle ?

743


difference between servo motor and synchronous motor

1062


What are new methods /technologies of pothole patching?

984


is IS says that neutral should be brought to switch box. and this one is a recomended practice

706


Please anyone guide where i can get the questions on Rational Test Real Time testing tool. Because i have to write exam on RTRT.

730


if we know load bearing capacity of the soil and building load falling in each footing, then how to choose the type of foundation??? and if it is shallow foundation then which type of shallow foundation should be choosen i.e either strip or isolated or raft or combined or cantilever footing???????

967


i need to alone print a number no text by using if statement .say some idea

625


Being BE student why you want to join bank?

1071


How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.

310


PostgreSql Disadvantages

591






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