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Extrusion: It is a metal working process that makes long lengths of uniform cross sectional area from a metal billet by causing the latter to flow under hydrostatic pressure by a restricted die or opening. It is majorly a hot working process; starting with cast billets and producing wrought sections and tubes in one stage. It has three main components container, die ram. A heated cylindrical billet is placed in the container and forced out by a steel die by a ram or plunger. Mainly used for manufacturing rods, tubes (circular, rectangular and hollow forms).
Aluminium is (A) Silvery white in colour. (B) Yellow in colour. (C) Reddish in colour. (D) Pale yellow in colour. Ans: Aluminium is Silvery white in c
Single crystal growth. The single crystals are grown either by the Czochralski (CZ) method or by the Float Zone (FZ) method. It having of a furnace with a gradient in temperatu
The idea that everything is made up of very small particles has been developed over many years supported by several experiments: (i) Brownian motion :
Evaluate simple harmonic motion A simple pendulum is 2.00 m long. (a) What is the period of simple harmonic motion for this pendulum if it is hanging in an elevator acceler
You''ve recently wired up an experiment in the lab. Part of the experiment involves having two long wires extended 2 meters below the ground. One day, the experiment stops working.
Illustrate the characteristics of a sound note. What do you mean by Resonance? Illustrate with an example.
Motion of an object in a straight line is known one dimensional motion. The location of a particle in one dimensional motion can be defined by only one variable (say x). For a pa
What are the three particles that make up an atom? Atoms are made up of electrons, protons, and neutrons. The protons and neutrons are found together in the core of the atom, k
The total energy of a simple harmonic oscillator is 0.8 erg. What is its kinetic energy when it is midway between an extreme position and mean position?
Define the introduction about Schrödinger’s Atom. Introduction to the Schrödinger’s Atom: To describe the spectral line puzzle, Bohr came up along with a radical model of t
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