Q.If x= sin-1(t), y = log(1-t2), find d2y/dx2 when t=1/2 and
when t =-8/3.
Q. Element having same atomic number and different mass
number are ................
Q. The sum of the series
1+1(1+1/n)+3(1+1/n)^2+..... is equal to .............
Q. X,Yand Z are
senior engineers. A,B,C,D are junior engineers. Company wants to select 4
enginers. Two will be senior and two will be juniors. Y is not front to A, Z is
not front to C, B is not front to A, B is selected then who will be 4 members
?
Q. A speaks 70% of truth , B is speaking 80% truth .prob. that both are
contradicting each other is ?
Q. Integration of (2x-3)/((x^2 +x+1)^2 dx
is ?
Q. Ram is starting from north walking 2 km and turn right walk 4 km
and turn right walking 4 km again, turn walked 4 km . Radha
walking opposite to Ram .
a.) what will be the
distance of Ram direction Radha ?
b.) D.B.T starting
and finishing positions. ?
Q. If dy= (sec x+ y tan x)dx , then y
=.....?......
Q. If the equation x^2 -3x +a=0 has the roots (0,1)
then value of a is ?
Q. A and B's temperature are 10°c and 20°c having same surface ,
then their ratio of emmisions is ?
Q.If 2 persons have to
select a number from 1 to 25 then the probability for not selecting the
same number is .... ?....
Q. There are 10 questions divided into two
groups each containing 5 questions. A and B select max of 4 numbers
from their respective groups . Number
of ways to select 6 quiestions is .......?....
Q. A system P1,T1 is
transferred to P2,T2 .The condition for the two forces to remain constant during
the two process is.... ?.....
Q. An
atomic particle exists and has a particlular decay rate . It is in a train
. When the train moves, a person observes
for whether the decay
rate
a.) increases
b.)
decreases
c.) depend on the directions of movement
of train
Q. What is the emperical formula for the compoud with
composition C=40% , H=6.7%, O=53.6%
Ans. CH2O
Q. Which of the
following exchanges positive ions
a).cl-
b) nh2-
Ans nh2-
Q. What is an ideal solution
?
Q. If x approaches infinity , then (òe^x dx
)/( òe^2xdx) is ?
Q. Cemeatite is represented by
?
Q. Dead zone in control system means ?
Q.Warping can be avoided
by ?
Q. After execution of CMP, a instruction in Intel 8085
microprocessor...
a) ZF is set and CY is reset.
b) ZF is set CY is unchanged
c) ZF is reset, CY is
set
d) ZF is reset , CY is unchanged .
Ans .ZF is set and CY is reset
Q Two bodies
changed from P1V1 to P2V2 states in two ways , the heat supplied is delta Q and
work done is delta W . What is the constant
in these two processes ?.
a)delta Q
b) delta
W
c) Delta Q+delta W
d) DeltaQ-deltaW
Q When a free electron is placed in a plane of EM then it moves in
a.) in the direction of Electriv field.
b.) in
direction of magnetic field
c.) of propogative
waves.
d.) of the plane containing magnetic field an propogation
direction.
Q The element which have same atomic mass and atomic number
are called ....
Ans
isomers.
Q Name the phenomean in wich 1 photon is jumped from 1 isomer to
another to create two different elts.
a) functional
isomers.
b) stereo isomers
c) tauto isomers
d) penta isomers ?
Q In triod valve in order to
increase the saturation current what has to be done?
a)
increase plate voltage
b) reduce dist. between grid and
plate
c) increase cathode potential
d) reduce grid potential. ?
Q In how many ways can seven different toys
be distriubuted among 3 children ?
Q. A,B and C are three speakers . They
have to speak along with 5 other speakers in a function. A has to speak
before B, B has to speak before C in how many ways
can this happen ?
Q. Periods of sin( 2pi +3)6pi is ....?.....
Q.
There are two section in a paper, each contains five questions . A student has
to answer 6 questions. Max no. of
questions that
can be answered from one section is 4. In how many ways can this be done
?
Q. Two circles of different radii intersect each other .What is the
no. of max intersections ?
Q. If the function f(x)= 1-cos(1-cosx) /
x^4 is continuos at f(0) . then what is x?
Q. The best tool for
editing a graphic image is ?
Q. Network scheme defines
a.)one to one
b.) many to many
c.) one to ,many ?
Q Two conditions are
given a) if one touch bees it strings and b) he touched the
bees.What happens next ?
1) it sting
2)it may be
sting
3)it definitily stings.
Q.A starts from a
point and walked towards north for 2 meters and turns to his right side and
walks for
4 mtrs. The turns right and walks for 4 mtrs
then
1.) in which direction a is going after first turn
?
2.) how much distance away from the beginning point is
A at the end.?
Q A person wants to measures the length of a rod.First he measures with
standing ideally then he maeasures by
moving parrel to the rod.
a)the length will
decresde in second case.
b)length will be
same.
c) length will increse in the second case.
Q.
A line passes through (1,0) .What is line's equation ?
Q. A does work in
3 days and B can do in 2 days in how many days can both do it ?
Q. One
U-230 nucleus is placed in a train moving by velocity emmitimg alpha rays .When
the train is at rest the
distance between nucleus and
alpha particle is x . One passenger is observing the particle . When the train
is moving
what is the distance between particle and
nucleus ?
a.) x.
b.) x+vt
c.)x-vt ?
Q. What is the resulting soln. when
benzene and toluene are mixed ?
Q What sorting algos have their best and
worst case times equal ?
Q. What page replacement algo . has minimumn
number of page faults ?
Q. What is the use of abstract base class
in C++ ?
The following are few sample questions that maybe asked in
the hardware paper.We haven't been able to give the values in certain problems ;
only the type of questions have been mentioned.
Q. Concentration
and restivity is given and conductivity is asked for ?
Q. R ,
resistance and C,capacitance is given ,find the frequency and Q
factor of the crystal ?
Q. Critical fequency and angle theta is given
;.the max useable frequency is to becalculated
Q.Questions on
parabolic reflector anttena's and half wave dipole antenna's design
Q. Ramp signal is generated from integrator .Whether it is a low
or high pass filter .?
Q. Calculate FM bandwidth given max modulation
fequency FM , max freq deviation , df and 8 pairs
alllowable
side band component ?