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WIRE MELTING CHARACTERISTICSA non linear relationship exists between the rate at which the wire is fed into the arc and the current required to burn it off to maintain a constant arc length. This is known as the burn off characteristic and differs for each filler wire composition and diameter. The curves shown in Fig. illustrate the burn off characteristics of steel in Argon + O2 mixture. It will be seen that to alter the welding current a proportionate increase in the wire feed rate is required. The smaller the diameter of the wire, the faster is the wire feed speed required to reach the same current.
Scope of thermodynamics in thermal engineering Sol: Thermal engineering is a very important associate branch of mechanical, metallurgical, aerospace, chemical, marine, auto
Q. Layout of vessels in plant design? Layout of vessels needs to allow sufficient spacing for instruments, piping, operations, maintenance and firefighting access. Vessels o
Q. What is IFC in project management? This revision is to be used as a basis for preparing detailed design for final checking of IFC drawings by other disciplines, for incorpo
INTREPRETATION OF DEFECTS Intrepretation is an important factor is controlling the quality of the product on economic levels. Sometimes for want of proper decision, proj
Cylinder - Part of combustion engine: Cylinder: It provides cylindrical closed space to allow movement of piston and to admit charge. It is made up of grey cast iron or i
(a) What are the basic conditions for a body to be in state of equilibrium? (b) Two steel cylinders of similar diameter are supported in a rectangular vessel. The width of the v
What are the Safety consideration in under batteries and gear ? Ans: Alternator:- 1. Suspension pin with cotter pin and anti- rotation plate 2. Alternator safety cha
Hydraulic calculations are carried out by both Process and Mechanical Engineering. Generally speaking, Process Engineering will initiate many hydraulic calculations for piping sys
Determine distribution of shear force, bending moment and stress due to bending in the simply supported beam shown in the figure below, the beam self-weight is included in the unif
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