List of top Questions asked in Tamil Nadu Common Entrance Test

The energy gap (eV) at 300K of the material GaAs is
The value of the integral \[ \iiint\limits_{0}^{a, b, c} e^{x+y+z} \, dz \, dy \, dx \] is:
The value of \( m \) so that \( 2x - x^2 + m y^2 \) may be harmonic is:
Productivity is:
If \( \nabla \phi = 2xy^2 \hat{i} + x^2z^2 \hat{j} + 3x^2y^2z^2 \hat{k} \), then \( \phi(x,y,z) \) is:
The term availability is used to indicate the probability of a system or equipment being in operating condition at any time t, given that it was in operating condition at:
In Ultrasonic Machining, the material is removed by:
In unconventional superconductivity, the pairing interaction is
The value of the smoothing constant used in exponential smoothing will be:
The time wasted by the operator due to breakdown, non-availability or supply of tool and material is:
Lewis equation in spur gear is applied:
The friction torque for square thread at mean radius while raising load is given by (\(\omega\) = load, \(R_o\) = mean radius, \(\phi\) = angle of friction, \(\alpha\) = lead angle):
Steel wire is manufactured by ......... process.
The amount of time by which the completion time of job j differs from the due date is called:
If the system of equations: \[ 3x + 2y + z = 0, \quad x + 4y + z = 0, \quad 2x + y + 4z = 0 \] is given, then:
Blanking and piercing operations can be performed simultaneously in one stroke of the ram is:
The area between the parabolas \( y^2 = 4 - x \) and \( y^2 = x \) is given by:
In slush casting, .......... is used.
The complete integral of the partial differential equation \( pz^2 \sin^2 x + qz^2 \cos^2 y = 1 \) is:
C-chart follows .......... distribution.
The velocity of a particle is given by \( V = 4t^3 - 5t^2 \). When does the acceleration of the particle become zero?
The only function from the following that is analytic is:
The energy per unit volume that can be absorbed by a material up to the point of fracture is known as:
Let \(M = \begin{bmatrix} 1 & 1 & 1 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{bmatrix}\)The maximum number of linearly independent eigenvectors of \( M \) is:
A heat treatment process which will improve the machinability of hypereutectoid steel is: