Placement Papers: Polaris 2008 PaperTab.amp
Examrace Placement Series prepares you for the toughest placement exams to top companies.
The test was for one hr. -40 technical qns (electrical) for ½ hr. And 30 aptitude qns (½ hr.)
there are two sets of qn papers
Some Tech qns
What is motor is used in ceiling fan & washing m/cs
In electric traction
wt is 8255
8085 has ___ address and ___ data lines
8051 is a ____ bit microcontroller (ans: 8 bit)
74LS244 is _____
Bucholz relay is used for _____ protection (trnsfrmr)
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) 4 qns frm Controls (pretty easy____like zetaL)
qn abt transistor. Basic workin
boolean expn was given for simplification-simple
How many flags does 8085 have (ans-5)?
which of the following are universal gates (ans-nand, nor)?
whts the frequency range of mobile communication?
The resolution of picture in tv depends on.
Qn on stability of FET
Wht is the modulation used to transmit sound in tv signal
Wht is double integration of a unit step signal?
It mainly covers Operating system. Consists of questions in semaphore (2 questions), job scheduling algorithms (shortest job), paging (2 or 3 questions), virtual memory, hashing, etc virtual memory is used for____
Rdbms covers “Define Query” (simple but 4 options made some complications)
Datastructure: Order of randomly serached binary tree
Electronics based questions which covers microprocessor 80386 (not 8085) 2or 3 questions
A pulse is passed through a pipe. To detect any damage. This process is called ____
Given a 3 × 3 matrix, find the minor of one of the elements
find the odd one out of the series 48 47 44 40 32 23 12
A goes to school at 4 kmph and reaches 10 mins b4 schedule and at 3 kmph reaches 10 mins after schdule find thedist (ans 4 km)
Meaning of COY (iritated)
Opposite of Grimace
Opposite of FLOODED WITH
JUMBLED letters find out the word, the word was FATIGUE
Simple interest problem
Smallest of four given fractions
A guy walks @ 4kmph from a point. After 4hrs a cyclist starts from the same point @ 10kmph____At wht distance will they meet from the starting point? the qn was almost like this.
x% of people have tea, y% have coffee, z no: Of people have both… Find the total no: Of people… Soln: Easy. Have to use n (AUB) = n (A) + n (B) -n (A intersctn B).
Complete the series____ 1, 4, 9, 25, … (choices-47, 49, 64, none)
“failures are stepping stones to success” this means…
abt matrices. Which of the following don't have inverse? u have to find for which matrix | A | = 0… Time consuming…
There was 1 big sqr which had 16 sqrs in it. 4 in a row & column. Each sqr had a no: In it. Except one sqr… Had 2 find the missing no: …i dont remember the nos…
4 sentences given. & 4 choices of word given… Have to choose 1 word that suits all the 4 sentences… * the police are ___ about the miising boy in the forest. * the detective was ___ her face for marks. And 2 more sentences were there… Choices (investigating, searching____). Ans: Investigating.
Hcf of 2 nos…1024 & 1214… Don remember nos exactly. Like in rs aggarwal…
out of 500 students, 75% of boys and 72% of girls passed. Total pass percentage is 77%. How much girls …
how many prime numbers are between 1 to 100?
A greater than B and B less than C. What is the relation between A and C?
given a set of different sentences … We have to choose an appropriate word which should be matching with all sentences
eg: A person____the child
The government____the people options may be