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Q. Explain the use of bare electrode?
This type of electrode is also known as plain electrode. No flux covers on this electrode. These types of electrodes are used for D.C. supply. This electrode can not prevent oxidation or any reaction with atmospheric air of molten metal. So some impurity may be added in joint and joint becomes weak in strength. Such electrode use is less.
Carbon Dioxide (CO 2 ) Lasers The CO 2 laser is a gas discharge device and it operates by electric excitation of an active medium that is a mixture of helium, nitrogen an
Q. What do you mean by Weld and hold time? Weld time During this period the welding current flows through the circuit, i.e., it enters from one electrode, passes through t
Calculate the magnitude of maximum bending moment: The shear force diagram for the overhanging beam is illustrated in Figure. Draw the loading diagram & bending moment diagram
A load of 2MN is applied on a short concrete column 500 mm x 500 mm. The column is reinforced with four steel bars of 10 mm diameter, one in each corner. Evaluate the stresses in t
Computers control system in flexible manufacturing system
Copper Alloys Some alloys of copper are employed in industry for varying causes. Copper forms alloys along with zinc or the brasses, tin or the bronzes, along with tin and pho
Explain the working of Michelson's interferometer. How circular fringes he produced with it. (a) What are antireflection films and interference filters? (b) Find the reflecti
lame''s theorem
dimensionless
Five kilograms of continuous boron fibers are introduced in a unidirectional orientation into 8 kg of an aluminum matrix. Calculate a. the density of the composite b.
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