Placement Papers - Polaris

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Polaris Software India Technical Written test

Posted By : Anjali.R.K Rating : +19, -4

Paper : Polaris Software India Technical Written test




The test was for one hour - 40 technical questions (electrical engineering ee branch) for 1/2 hr. and 30 aptitude questionss (1/2 hr) there are two sets of qn papers

Some Tech Questions

What is motor is used in ceiling fan & washing m/cs:

In electric traction

what is 8255

8085 has __ address and __ data lines

8051 is a ___ bit microcontroller (ans:8 bit)

74LS244 is ____

Bucholz relay is used for ____ protection (transformer)

Transmission line parameters are called ___

No. of poles and freq given find speed

In which motor starting torque can be incr by adding rotor resistance (IM) there were 4 qns frm Power plants (had to guess in that) questions from Controls
1 means a)underdamped b)undamped c)overdamped d)critically damped

question about transistor. basic working

boolean expression was given for simplification

How many flags does 8085 have? (answer-5)
Technical questions for written test part of placement paper for electrical students and electronics engineering branch students.Which of the following are universal gates? (ans-nand,nor)

What is the frequency range of mobile communication?

The resolution of picture in tv depends on.
a. no: of lines scanned b. video detector o/p and 2 more choices were there..

Question on stability of FET

What is the modulation used to transmit sound in tv signal?
a. VSB
b. FM and 2 more choices were there?

What is double integration of a unit step signal?
a. ramp signal
b. parabola
Technical - Computer language / software topics questions
It mainly covers Operating system. consists of questions in semaphore (2 questions), job scheduling algorithms, paging (2 or 3 questions), virtual memory, hashing, etc
virtual memory is used for ??.

Rdbms covers ?Define Query?

Datastructure : order of randomly searched binary tree.

Electronics engineering based technical questions which covers microprocessors 80386 (not 8085) 2 or 3 questions are there.

A pulse is passed through a pipe to detect any damage. This process is called ??
a. Time reflectometry
b. Piggy backing

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