HAL sample questions

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Sample Questions for the Executive Trainees (Technical ) Test
Aeronautical Engineering

Air Fuel ratio in a jet engine will be of the order of:
(a) 10:1 (b) 15:1
(c) 20:1 (d) 60:1

Fighter bombers use following type of engine:
(a) Turbo-jet (b) Turbo-propeller
(c) Rocket (d) Ram-jet

Mechanical Engineering

Least shrinkage allowance is provided in the case of following:
(a) Brass (b) Aluminium
(c) Cast Iron (d) Steel

If V is the volume of metal in a casting and A its surface area, the time of solidification will be proportional to:
(a) V, 1/A (b) V,1/A2
(c ) V2 ,1/A (d) V2, 1/A2

Fire tube boilers are limited to a maximum design working pressure of :
(a) 1 kg/cm2 (b) 6 kg/cm2
(C) 17 kg/cm2 (d ) 100 kg/cm2

Metallurgy

1. A dislocation represented by T is called:

(a) Positive edge dislocation
(b) Negative edge dislocation
(c) Positive screw dislocation
(d) Negative screw dislocation

2. The recrystallisation temperature of a cold worked material decreases with:

(a) Increase in the degree of deformation
(b) Increase in the initial grain size
(c) Increase in the temperature of cold working
(d) The presence of impurity

Electrical Engineering

1. In a thyrister full converter feeding a continuous load current, what is the duration each thyrister conducts in a cycle?

(a) 60 0 (b) 90 0
(c) 120 0 (d) 180 0

2. In a three-phase induction motor, the rotor field runs at the following speed with Respect to the stator structure:

(a) At synchronous speed in the direction of stator field
(b) At a slip speed in the direction of stator speed
(c) At synchronous speed in a direction opposite to that of stator field
(d) At zero speed

Electronics

1. In the hybrid parameter model of a transistor reverse transfer voltage ratio and forward transfer current ratio are respectively given by:

(a) h11 and h21 (b) h12 and h11
(c) h21 and h11 (d) None of these

2. A Signal x(t) has the Fourier transform

X(?) = { 1 for | ? | < }W . Its first zero-crossing in time domain occurs at:

O otherwise

(a) 1/pW (b) W
( c) p/ W (d) None of these

Computer Science

1. Magnetic tapes are suitable to applications:

(a) When only a few records are to be accessed
(b) When most of the records are to be accessed
(c) Only when all the records are to be processed
(d) None of the above

2. A system in which 2 or more cpu’s are interconnnected and share a common

Main memory is called:

(a) Pipeline machine
(b) Multifunctional system
(c) Multiprocess
(d) None of these

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Yahoo sample placement Paper

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Few Questions: (45 min)
1. In a village in each family they give birth to children till they
get a boy. IF girl child they try again. What is the ratio of boys to
girls.
2. 2n+1 numbers in a list except for 1 num all had duplicates, how to
find duplicate in O(n)

3. In 1000 wine bottles stack 10 are poisoned given 10 rats what is
the minimum number of tries to find the poisoned one. Rat dies once it
licks the poisoned wine.

4. Write 1,3,6,4 using +,-,*,/ to get 24 (no repeat of numbers)

5. Which is the DS used in dictionary mode in mobile (t9)

6. Which is DS used for chess program…to predict move each and every
time..

7. There are $1070 dollars how to split them into bags such that asked
for any denomination from $1 to $1070 , u must b able to give without
opening bag…

If any one has idea do mail me qrio.qrio at gmail.com (qrio dot qrio
at gmail dot com).. Eagerly waiting…

Another paper:
1. First fit issues…

2. Algorithm to partition set of numbers into two s.t. diff bw their
sum is min and they hav equal num of elements

3. Prog: given Numerator & Denominator…. print 0.3333333333 as .(3)
0.123123 as .(123)

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Latest Patni Placement Paper

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Aptitude
GD
Personel Interview ( less technical & more general Questions here )

Aptitude is of 3 parts
Vervbal
Analytical
Quantitative

No Negative and Duration 70Min total and 60Q

Verbal ( 1 - 15 Q) and is for 20 minutes
Verbal is very very easy….. Just filling article

Eg) There was — cow and it ate — grass

We have some questions to choose nearest meaning of the words that are given in italics in a sentence

From (11 - 15Q) Comprehension type….. A paragraph was given and 5 questions were asked abt it… This was also very easy….

Analytical ( 16 - 30 Q) and is for 20 minutes
Was bit difficult…. We are given a 3 lines problem and based on it 2 questions…. If we think we can answer it….

Quants ( 31 - 60 Q) and is for 40 Minutes
All The questions are from RS agarwal and majority is Profit and Loss. Ration and proportion, SI, Numbers..

Its enough if we concentrate in these things…. Other question is very general…
Eg) How many time, long and short needle of clock coincides in a day

All the whole paper will be very easy, except Analytical.

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Latest Placement paper of Satyam

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This is Atul Jain from the COLLEGE OF ENGG.&MGMT.,KOLAGHAT(W.B)& I’ve been selected at the pooled campus drive for SATYAM,held on 5th AUGUST,2006,at the St.Thomas College of Engineering,Kolkata.The paper consisted of General Short passage reading,Quantitive Aptitude & Analytical and Logical Reasoning.Time alloted was only 30 mins.Total no. of questions:-15.The paper was a lengthy one. There was -ve marking of 0.25 per wrong answer.It was easy 4 me coz I’m preparing 4 the CAT exam.I answered 10. GD & HR were on the next day.

A)GENERAL PASSAGE READING
This is the easiest part.anyone can do it if he/she has proficiency in English.Consult ur study materials 4 the CAT or any other similar exam.there was one on architects in India,others were on body immunity& hospitals.

B)QUANTITIVE APTITUDE
Manageable only if u r acquainted with the CAT pattern & books like R.S AGGRAWAL are amply suitable.sums were on dist,speed&time,boats&streams,pipes&cisterns,co-ordinate geometry,general geometry,pie-charts,age problems,etc.so u must go through R.S AGGRAWAL vividly. keep all formulae at the tips of ur fingers.

C)REASONING
The toughest part.plz be slow but steady 2 answer this section.practice 4m BARRON’S.but don’t expect 2 get common q’s.i remember dat one was on red&green hats.

ESSENTIAL STRATEGIES
1) U needn’t answer all q’s.just do 7-8 correctly.cut-off is usually 7(may vary).
2) Decide which q’s can be solved at single chance.don’t waste ur time on a particular q.just go along with the rest if u get stuck at one.
3) Don’t make wild guesses coz of -ve marking.
4) Think +ve & be confident.

D)GROUP DISCUSSION
Just speak logically and confidently 2 express ur views.Either start or conclude the topic.Make sure dat u contribute some good pts. They emphasise on ur communication&logical skill.each grp has 10 members.2-3 got selected 4m each grp coz GD is the main elimination round.our topic was easy-Population in India is an increasing manace.

E)HR
1) introduce urself.
2) wht’s the meaning of ur name?(4tunately i knw the meaning of my own name!!!)
3) why Satyam?(plz try 2 knw the company profile very well.)
4) u r a student of ELECTRONICS&INSTR.so why do u wnt 2 enter s/w industry?(plz prepare this ans well if u r 4m hardcore stream.)
5)hobbies,achievements& aspirations.
6)r u ready 4 relocation?(i said dat i’ll go even if i’m given ALASKA.)
7)few technical q’s.they’ll show interest abt ur project.plz be well informed abt ur vocational training&project.
8)if u join any s/w firm,wht wud u prefer as ur dream project?

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