List of top Questions asked in AP ECET Metallurgical Eng- 2026

If $3A+4B^{T}=\begin{bmatrix}7&-10& 17\\ 0& 6& 31\end{bmatrix}$ and $2B-3A^{T}=\begin{bmatrix}-1& 18\\ 4&-6\\-5&-7\end{bmatrix}$ then $B=$

A particle is moving in a straight line such that its distance at any time \(t\) is given by \[ s=\frac{t^4}{4}-2t^3+4t^2+7, \] then its acceleration is minimum at \[ t=\_ \]

In brazing process, the liquid metal fills the gap by which one of the following means?

Preheating of Base metal during welding is required to

Which of the following is solid state welding joining process?

Thermit welding comprises of

Tip of the electrode used in spot welding are made of

Fettling operation is a

Gases used in the case of tungsten inert gas welding are

The Coating material for welding electrodes is termed as the

Oxygen to acetylene ratio in carburising flame is

In white cast iron, carbon is present as

Cold shuts are casting defects

Dental alloys are generally cast by ________ casting processes

The Function of gate is to

Surfaces to be machined are marked on the pattern by which of the following colour?

Bentonite is generally used in moulding sand to provide

Toys and statues are cast by ________ casting process

The following operations are involved in the producing powder metallurgy parts. Arrange then in sequence: P. Atomisation, Q. Sintering, R. Compaction, S. Blending

Draft on pattern for casting is

Which of the following is the surface defect?

In centrifugal casting, when internal cavity or complex hollow section is required, the core is usually made of

In edge dislocation, the burger's vector is ________ to the dislocation line

Solid solution strengthening of an alloy result when alloying addition forms