New Questions

Interview Questions :: Electrical EngineeringPosted By : devang m badheka


:Q: 75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?


Interview Questions :: SQL PLSQLPosted By : laxmi


:Q: Write a sql query to convert all character to uppercase after hypen.


Interview Questions :: Everything Else AllOtherPosted By : hema shree


:Q: Can I get some ideas for 2 minutes speech on michael jackson


Interview Questions :: Electronics CommunicationsPosted By : chandra shekhar


:Q: Explain with examples of circuit protecting device apart from fuse, circuit beaker, relays, lighting arrestor, switch gears?


Interview Questions :: Electronics CommunicationsPosted By : ruchi porwal


:Q: Tell me does area of work only involve closed spaces?


Interview Questions :: Electronics CommunicationsPosted By : varunt yagi


:Q: Explain is rfid in developing stage? What is scope in rfid?


Interview Questions :: Electronics CommunicationsPosted By : ruchi porwal


:Q: Tell me what is memristor? How many modes it works? Also what is its advantage? How it differ from others & why the name evolve? & What is its uses?


Interview Questions :: Electronics CommunicationsPosted By : ruchi porwal


:Q: How to increase the gain and directivity of an antenna?


Interview Questions :: Electronics CommunicationsPosted By : varunt yagi


:Q: Explain how to measure the insulation resistance for printed circuit boards?


Interview Questions :: Electronics CommunicationsPosted By : ruchi porwal


:Q: How to program micro controller?


Interview Questions :: Electronics CommunicationsPosted By : varunt yagi


:Q: How to design binary to gray code converter?


Interview Questions :: Electronics CommunicationsPosted By : dolly rani


:Q: Explain how to convert binary to gray code and vice-verse?


Interview Questions :: Electronics CommunicationsPosted By : dolly rani


:Q: Tell me why the shape of op-amp is triangular not other shape?


Interview Questions :: Electronics CommunicationsPosted By : dolly rani


:Q: What is the formula for power gain when input gain & output gain is given?


Interview Questions :: Electronics CommunicationsPosted By : ruchi porwal


:Q: explain how does frequency affect the size of smps?





New Answers

Interview Questions :: Operating Systems AllOther Posted By : ben


:Q: Some operating system have a tree structured file system but limits the depth of the tree to some small number of levels. what effect does this limit have on users? How does this simplify file system (if it does)?

A :: It means they cannot copy files or folders that are beyond that total length. Either with too many really long names makes backing them up difficult. Usually have to correct it at some point by using abbreviation or moving them up a folder or two.


Interview Questions :: Electrical Engineering Posted By : aman


:Q: What do you mean by nominal ratio of instrument transformer?

A :: Nominal ratio of instrument transformer is the ratio of rated primary current or voltage to the rated secondry current or voltage.


Interview Questions :: Electrical Engineering Posted By : muhammad waqas


:Q: The armature of shunt dc motor has 0.8ohm resistance and motor is to run on 120V circuit.If motor is suddenly thrown on circuit while armature at standstill then current drawn by motor will be??Also back emf in normal running is 110V

A :: V =Eb + IaRa Ra= 0.8ohm Eb=110V V=120V Put values in eqn 120-110=0.8Ia 10/0.8= Ia Ia = 12.5 A


Interview Questions :: C Posted By : adhulya


:Q: write a c program to find the roots of a quadratic equation ax2 + bx + c = 0

A :: #include<stdio.h> #include<math.h> #include<conio.h> #include<stdlib.h> void RootsofQuadratic(int a, int b, int c) { if (a == 0) { printf("The value of a cannot be 0"); return; } int d = b*b - 4*a*c; double SquarerootDescriminant = sqrt(abs(d)); if (d > 0) { printf("The Roots are Real in Nature n"); printf("%fn%f",(double)(-b + SquarerootDescriminant)/(2*a) , (double)(-b - SquarerootDescriminant)/(2*a)); } else if (d == 0) { printf("The roots are equal and Real in Nature n"); printf("%f",-(double)b / (2*a)); } else // d < 0 { printf("The Roots are Complex in Nature n"); printf("%f + i%fn%f - i%f", -(double)b / (2*a),SquarerootDescriminant ,-(double)b / (2*a), SquarerootDescriminant); } } int main() { int a; int b; int c; printf("For a quadratic equation of form ax2 + bx + c = 0 enter values of a, b, cn"); scanf("%d%d%d", &a, &b, &c); RootsofQuadratic(a, b, c); return 0; }


Interview Questions :: Electrical Engineering Posted By : 12354


:Q: is high voltage or high current is danger

A :: Human body reacts to the current. The amount of damage will depend on the amount of current. However amount of current is directly proportional to the voltage. So high current is dangerous to human body bot it is caused due to high voltage or low body resistance(wet body condition)


Interview Questions :: Electrical Engineering Posted By : avd


:Q: Which type of control system is expensive — closed loop or open loop?

A :: Close loop control system requires additional feedback device. Hence it is more expensive but accurate.


Interview Questions :: Electrical Engineering Posted By : sanj


:Q: What will Happened if the polarity of CT is changed?

A :: CT polarity is vital part. if polarity changes of any ct out of 3 impact will be there both for measuring and protection ckt. For measuring ckt please watch https://www.youtube.com/watch?v=FqLVEeoaXws&t=181s and for protection ckt impact watch https://www.youtube.com/watch?v=p-cuvTe8sX8&t=129s


Interview Questions :: Red Hat Posted By : kanimozhi91


:Q: What is full form of rhel?

A :: RHEL stands for Red Hat Enterprise Linux.


Interview Questions :: C Posted By : kanimozhi91


:Q: How the C program can be compiled?

A :: Linux/Unix * Pre-requisite : Before compiling check if gcc package is installed, if not install it either by using apt-get install/yum install based on the Linux kernel. * Once installed, save the program as hello.c * Compile it using gcc hello.c which will produce object file a.out * Finally run it as ./a.out


Interview Questions :: Unix IPC Posted By : kanimozhi91


:Q: what is the very first process created by kernell

A :: The first process created in Unix at boot time is init whose process id is 1.It is the parent of all the process which runs till the system is shut down. Init process is responsible for starting other background process which is needed for operating system to function properly.For example httpd,tftpd,sshd etc. Init is basically a daemon process which runs other process as daemons.All the daemon scripts are stored in /etc/init.d or /usr/lib/systemd/system that depends upon the linux distribution. If a child process gets orphaned, automatically init process adopt it and become the parent process of it.






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