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Q Describe about Push-pull welds?
- A push-pull system employs transformers with an electrically reversed polarity arrangement wherein two transformers complement each other to form circulating welding current circuit.
- Opposing electrodes are connected to different transformers and are of opposite polarity.
- Two spot welds may be obtained simultaneously.
Compression Ratio (r): It is the ratio of the total cylinder volume when the piston is at the bottom dead centre, V t to the clearance volume, V C . R= v t /v c
Q. What is Indirect extrusion? In indirect extrusion, also known as backwards extrusion, the billet and container move together while the die is stationary. The die is held i
Q. Material Selection for Insulation? Material for 15ºC to 650ºC temp range is Calcium Silicate, Manville Thermo-12 or approved equivalent. Material for -18ºC to 230ºC temp.
Series Spot Welding In series welding, a portion of the secondary current by passes any weld nugget being formed. And This shunt current passes through one of the panels being
Grinding & Brushing: Grinding is process there has an abrasive wheel that rotating at certain speed to smooth a surface or to give an even finish on material. In this Blade pr
prove that 0 is an integer
Various applications of numerical methods in the field of m=numerical engineering.
Calculate days of inventory: From the data provided in table 1 and 2, calculate days of inventory. Solution Average Inventory Investment = (Last year inventory + Curre
Q. 11: What is relation between the maximum tensile stress and the maximum compressive stress in any section of beam? Sol.: L et us assume inverted angle section of the beam a
What do you mean by Heat Transfer ? Compare (i) Work done with Heat Transfer (ii) Thermodynamics with Heat Transfer. State whether Heat Transfer is a path function or state functio
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