List of top Questions asked in AP PGECET- 2025

The Newton-Raphson method is used to find the root of the equation
\[ f(x) = e^{-x} - x \] If the initial guess for the root is 0, then the estimate of the root after the first iteration is ............
The particular integral of the differential equation
\[ \frac{d^2y}{dx^2} - 6 \frac{dy}{dx} + 9y = e^{3x} \text{ is ............} \]
Kirchhoff's current law is valid for:
A linear discrete-time system has the characteristic equation, $z^3 - 0.81z = 0$, the system is:
If $(a, b, c)$ is the unique solution of the system of linear equations
$x + y + z = 2, 2x + y - z = 3, 3x + 2y + z = 4$,
then $b^2 + c^2 = ........$
Cavitation in a control valve is caused by:
The most common pneumatic signal standard for industrial process instruments is:
Flapper nozzle is used in following controller?
Photo conductive cells are made by:
A system defined by the difference equation $y(n) = x(-n)$ is:
Which instrument has the manual Null balance operation?
Hot wire anemometer is used to measure:
The internal resistance of armature should ideally be:
Which of the following is the best method for determining the stability and transient response?
Load cells are used for measurement of:
A dead weight tester is used for:
The electrical output down a thermocouple circuit is detected by using:
The type denotes the number of:
What determines the light intensity in a CRT?
An ideal op-amp has CMRR:
The Bode plot of the transfer function $G(s) = 5$ is:
If the characteristic equation of a closed-loop system is $s^2 + 2s + 2 = 0$, then the system is:
In majority of instruments damping is provided by:
What is the vector address of RST 6.5 interrupt?
How many special function registers are there in 8051 microcontroller?