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Showing posts with label Birla Institute of Technology and Science Admission Test (BITSAT). Show all posts
Showing posts with label Birla Institute of Technology and Science Admission Test (BITSAT). Show all posts

## Saturday, 21 December 2013

### BITSAT 2014 Entrance Exam  Past Year Papers with Solutions

The locus of the point of intersection of

tangents to the parabolas y2 = 4(x + 1)
and y2 = 8(x + 2) which are perpendicular
to each other is
(1) x + 6 = 0 (2) x + 3 = 0
(3) x + 7 = 0 (4) x - y = 4

The three lines 3x + 4y + 6 = 0,
2x A 3y A 2 2 = 0 and 4x + 7y + 8 = 0
are
(1) the sides of a triangle
(2) parallel
(3) concurrent
(4) none of these

The sum of all the numbers that can be
formed with all of the digits 2, 3, 4, 5 is
(1) 94324 (2) 93324
(3) 92324 (4) 95324

A breeder reactor consumes
(1) more fuel than it enriches
(2) less fuel than it enriches
(3) equal fuel that it enriches
(4) no fuel
The integrated circuit (I.C.) used in
counting circuits are called __________ .
(1) linear (2) hybrid
(3) digital (4) monolithic

### BITSAT Exam Previous Year Question Papers Download Old Question Papers- BITS Pilani

BITSAT Exam Previous Year Question Papers Download Old Question Papers - BITS Pilani

AOB, COD are two unequal line segments
bisecting at right angles, then the locus
of the point P such that PA × PB = PC × PD is
a
(1) Circle
(2) Parabola
(3) Ellipse
(4) Rectangular hyperbola

Stationary waves are formed in an
acoustic medium by combining two
simple harmonic waves in such a way
that the point x = 0 is a node. The
equation of one of the waves is
y = a cos (wt - kx). The equation of the
other wave is
(1) y = a cos (wt + kx)
(2) y = a sin (wt + kx)
(3) y = - a cos (wt + kx)
(4) y = - a sin (wt - kx)

Given two statements
A: The internal energy of an ideal gas
does not change during an
isothermal process.
R: The decrease in volume of a gas is
compensated by a corresponding
increase in pressure when its
temperature is kept constant.
(1) Both A and R are true, and R is the
correct explanation of A.
(2) Both A and R are true, but R is NOT
the correct explanation of A.
(3) A is true, but R is false.
(4) A is false but R is true

Compare the total energy (Eb) of a
bound system such as nucleus with the
total energy (Es) of the separated
nucleons:
(1) Eb < Es
(2) Eb = Es
(3) Eb > Es
(4) depends on how heavy the nucleus
is

Electron (E), proton (P), helium nucleus
(He++) and deuterium nucleus (2H+) all
have charge as well as mass. The order
in which they are arranged in
increasing magnitudes of the value of
charge to mass ratio is
(1) E, P, He++, 2H+
(2) P, He++, E, 2H+
(3) 2H+, He++, P, E
(4) He++, 2H+, P, E

Let h(x) = f(x) - (f(x))2 + (f(x))3 for every
real number x. Then
(1) h is increasing whenever f is
increasing
(2) h is increasing whenever f is
decreasing
(3) h is decreasing whenever f is
increasing
(4) nothing can be said in general

An n-digit number is a positive number
with exactly n digits. Nine hundred
distinct n-digit numbers are to be formed
using only the three digits 2, 5 and 7.
The smallest value of n for which this is
possible is
(1) 6 (2) 7 (3) 8 (4) 9

If E and F are the complementary
events of events E and F respectively
and if 0 < P(F) < 1, then
(1) P E|F A P E |F = 1
(2) P E |F A P E |F = 1
(3) P E |F A P E |F = 1
(4) P E |F A P E |F = 1

It the circle x2 + y2 = a2 intersects the
hyperbola xy = c2 in four points P(x1, y1),
Q(x2, y2), R(x3, y3), S(x4, y4), then which
of the following is not true?
(1) x1 + x2 + x3 + x4 = 0
(2) y1 + y2 + y3 + y4 = 1
(3) x1 x2 x3 x4 = c4
(4) y1 y2 y3 y4 = c4

There are four machines and it is known
that exactly two of them are faulty.
They are tested, one by one, in a random
order till both the faulty machines are
identified. Then the probability that only
two tests are needed is
(1)
1/3

(2)
1/6

(3)
1/2

(4)
1/4

The number of ways in which 20 mangoes
may be distributed among 5 children, so
that each child gets at least one mango
is
(1) 20C4 (2) 19C4 (3) 24C3 (4) 19C5

If cos x - i sin 2x and sin x - i cos 2x are
conjugates of each other, then
(1) x = np
(2) x = 0
(3) x = (2n + 1) p
2
(4) no value of x exists

Which of the following is optically
active?
(1) stretched polymer sheet
(2) silvered glass
(3) calcite
quartz
47. In the He-Ne laser the role of the Heatom
is
(1) to emit the red light
(2) to control the output
(3) to control the wavelength
(4) to effect population inversion
between the Ne levels

The part of a transistor, which is heavily
doped to produce a large number of
majority carriers, is
(1) base (2) emitter
(3) collector (4) none of these

Which of the following statement/s is/are
correct?
(1) Faraday is defined as the charge
carried by 1 mole of electron.
(2) 1 F = 6.023 ´ 1023 ´ 1.602 ´ 10-19 C
(3) Faraday is the quantity of electricity
required to decompose or to liberate
1 gram equivalent of a substance.
(4) All statements are correct.

Under what conditions DH is equal to DU,
when
(1) the reaction does not involve any
gaseous substance.
(2) the reaction does not involve any
change in volume of reactant and
product (DV = 0).
(3) there is no change in the number of
moles of products and reactants
(Dn = 0).
(4) all of these