List of top Questions asked in AP ECET Ceramic Tech- 2026

If the matrix \[ A=\begin{bmatrix} 1 & 2 & 3\\ 4 & 5 & 6\\ 7 & 8 & 9 \end{bmatrix}, \] then which of the following is true?

If \[ \sin^{-1}\frac{5}{x}+\sin^{-1}\frac{12}{x}=\frac{\pi}{2}, \] then \(x=\)

If \[ \frac{x+4}{(x+2)^2(x+3)} = \frac{A}{(x+2)^2} + \frac{B}{x+2} + \frac{C}{x+3}, \] then \(A+B+C=\)

If \(\tan A=\frac{1}{2}\) and \(\tan B=\frac{1}{3}\), then \(A+B=\)

If \[ \frac{x}{(x-1)^2(x+2)} = \frac{A}{(x-1)^2} + \frac{2}{9(x-1)} + \frac{B}{x+2}, \] then \(A+B=\)

If \(2\sin^{-1}x=\sin^{-1}k\), then \(k=\)

If \[ \begin{bmatrix} x+y & 2 1 & x-y \end{bmatrix} = \begin{bmatrix} 4 & 2 1 & 2 \end{bmatrix}, \] then the values of \(x\) and \(y\) are:

The eutectic point in the \(SiO_2-Na_2O\) phase diagram occurs at

Burger's vector is perpendicular to

A Covalent bond is formed due to

A Cation vacancy and an anion vacancy in a crystal of the type \(AB\) is called

Diffusion in Solids occurs mainly due to

Acheson process is used to prepare

Which of the following is a non-oxide ceramic?

Which of the following material has highest Dielectric constant?

Advanced Ceramics are also known as

Bayer process is used to produce

Thin sheets used for substrates for electronics are produced by

Which of the following conduct electricity but undergo internal charge polarization that allows for storage of an electrical charge?

The charge carriers in P-type semiconductor is

A thermocouple works on the Principle of

Which of the following is a Semiconductor?

Which of the following is Periodic kiln?

__________ have zero electrical resistance

Gypsum is added to cement to: