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SUBMERGED ARC WELDING-Set UpSubmerged arc welding system consists of the following basic modules:1. Welding head2. Power source3. Flux feeding and recovery unitsSchematic diagram of submerged arc welding is shown in Fig., arc cavity, weld metal and molten slag locations are illustrated in a cross section of SAW process. General arrangement of submerged arc welding is given in Fig. Continuous wire feeding, flux delivery and power source connections are shown in this diagram.
Evaluate total heat of steam: 10 kg of wet saturated steam at 15 bar pressure is superheated to the temperature of 290°C at constant pressure. Find heat needed and the total
Specification s of Hardness Testing Machines and Indentors: The Brinel cum Rockwell Tester has specifications which are stated below: Ability to determine the hardness up t
RECTIFIER TYPE POWER SOURCES The next popular power sources are of rectifier type. Three phase transformer (step down) connected to a rectifier to give DC output is the simple
A nozzle of 50 mm. dia. delivers a stream of water that strikes a flat plate which is held normal to the axis of stream. If the issuing jet has a velocity of 15 m/sec., determine:
Evaluate Elongation of wire: An aerial copper wire ( E =1 x 10 5 N/m m 2 ) 40 m long is having cross sectional area of 80 mm 2 and weighs 0.6 N per meter run. I
with usual notations the effort lost due to friction is given by A) P-W/V.R B) P×V.R-W C) P-W×V.R D) P+W/V.R
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
How is rending stress designed in plain concrete footing? Rending Stresses Also design the plain concrete footing based on bending moment and shear considerations. In wall f
howto calculate area in hysteresisn..
Applications. The welding process finds widespread applications in almost all branches of industry and construction. fabrication and creation of steel structures
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