List of top Questions asked in AP ECET Metallurgical Eng

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 \[ t=\_ \]

Preheating of Base metal during welding is required to

Which of the following is solid state welding joining process?

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

Thermit welding comprises of

Gases used in the case of tungsten inert gas welding are

Fettling operation is a

The Coating material for welding electrodes is termed as the

Tip of the electrode used in spot welding are made of

Oxygen to acetylene ratio in carburising flame is

In white cast iron, carbon is present as

Cold shuts are casting defects

Bentonite is generally used in moulding sand to provide

The Function of gate is to

Dental alloys are generally cast by ________ casting processes

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

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

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

Which of the following is the surface defect?

Draft on pattern for casting is

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

For given reduction and frictional conditions, if the diameter of rolls is increased, the rolling load