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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.
Blasting Abrasive: Sand had been use widely before new abrasive media invented. Today, manufacturer had more choices and better options in choosing blasting media for their ow
Q. What is Blow molding ? Blow molding has been used for making plastic bottles, toys, doll bodies and many other items. The blow molding commences with the extrusion of the t
Hydrostati c Pressure - Thermodynamics: It is also called as Pressure due to Depth of Fluid. It is needed to determine the pressure exerted by static fluid column on surface,
Q. Supply Fan - air-conditioning guidelines? Recheck final air quantities and static pressure. Indicate location of motor and belt guard. For fans located in plenums ensure ade
Q. Selection of Electrodes and Filler Metals? Only low hydrogen electrodes shall be used for SMAW of all carbon and low alloy steels, except for root pass welding of single wel
A copper tube 1.2 m long, has 80mm internal diameter and 2 mm wall thickness. It has closed ends, and is filled with water under pressure. What will be the alteration of pressure i
About zeroth law of thermodynamics
An internal wheel B with 80 teeth is keyed to shaft F. A fixed internal wheel with 82 teeth is concentric with B. A compound wheel DE gear with two internal wheels, D has 28 teeth
Find out the centroid of the shaded area: Find out the centroid of the shaded area illustrated in Figure (a). Solution The shaded area A may be considered as the
(a) Derive the mathematical equation for work done in a polytropic process (i.e.) PV n =c) (b) A mass of gas is compressed in a quasi-static process from 80KPa, 0.1m 3 to 0.4M
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