List of top Questions asked in AP PGECET- 2026

If y\(_1\) and y\(_2\) be two solutions of the differential equation \(\frac{d^2y}{dx^2} + 2y = f(x)\), then y\(_1\) + y\(_2\) is also solution of
If F(s) denotes the Laplace transform of some function f(t), then the Laplace transform of e\(^{-at}\)f(t), where a is a real constant, is
The solution of the differential equation \(\frac{d^3y}{dx^3} - 5\frac{d^2y}{dx^2} + 8\frac{dy}{dx} - 4y = 0\) is
Alloy A has a narrow freezing range as compared to Alloy B. Considering both alloys solidify under identical conditions, which statement is correct regarding feeding?
The fracture surface in ductile fracture generally shows
Heat transfer in vacuum occurs by:
The modulus of resilience is equal to:
Let A be a 3 \(\times\) 3 matrix such that the characteristic polynomial of A is f(x) \(=\) x\(^3\) \(-\) 4x\(^2\) \(-\) 11x \(+\) 30. If one of the eigenvalues of A is \(-\)3, then sum of the other two eigenvalues is
The formation of a passive layer decreases corrosion rate because it
The main purpose of vulcanization of rubber is to
Reverberatory furnaces are mainly used for:
The alumina obtained from Bayer process is converted to aluminium metal by:
The PCE (Pyrometric Cone Equivalent) value indicates:
The atomic packing factor (APF) of FCC structure is approximately
In ferromagnetic materials, magnetic domains:
The EDX (Energy-Dispersive X-ray) detector used with SEM/TEM provides
Which of the following properties is most critical for a tool steel intended for high-speed machining applications?
The coordination number of atoms in an FCC crystal structure is
The atomic packing factor (APF) for BCC structure is approximately
The rule of mixtures for composite modulus E\(_{\text{c}}\) in longitudinal loading is
Which process is fundamentally characterized by the uniform distribution of the substance throughout the bulk phase of the material?
Dendrite arm spacing decreases with
Grain growth rate (G) is empirically related to time (t) by:
In a process carried out at constant volume, the heat absorbed (Q\(_{\text{v}}\)) is equal to the change in:
Which of the following is an example of a Solid-State Welding process?