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Arc Efficiency

In order to calculate heat input rates to the workpiece based on measured values of the arc voltage and current, it is necessary to know the proportion of arc energy that is transferred to the workpiece. This quantity is known as arc efficiency. Heat is dissipated from the arc by conduction, convection and radiation. Conduction […]

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TIG Welding Process or Gas Tungsten Arc Welding (GTAW)

TIG Welding Process, TIG stands for Tungsten Inert Gas. TIG is also known as Gas Tungsten Arc Welding (GTAW). It is a process that uses a non-consumable tungsten electrode to form the weld. Generally, it uses filler metal but in some autogenous weld, it does not require it. To protect the weld area from atmospheric […]

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Problems on Trains – General Questions

1. A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train? A 120 metres B 180 metres C. 324 metres D. 150 metres View Answer 2. A train 125 m long passes a man, running at 5 km/hr in the same direction in […]

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Construction, Types, Applications, and Advantages of Sand Casting

Construction, Types, Applications, and Advantages Sand Casting Introduction This is article originally written by IQS Directory. As per conversation between the admin of Mazurek Gravity & IQS Directory. This article is published here for the viewers. Viewers are requested to visit IQS Directory for such informative topics. IQS Directory Website Link : https://www.iqsdirectory.com/articles/   This article will […]

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Kinematic Pair And Its Types With Animation

What is Kinematic Pair? Kinematic pair is defined as the two links or elements of a machine when in contact with each other are said to form a pair. If the relative motion between them is completely or successfully constrained in a definite direction, the pair is known as the Kinematic pair. According to the […]

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2012 MECHANICAL MOCK FOR SLIET LEET

2012 GROUP B 1. Kelvin Planck’s law deals with 1. Conservation of heat 2. Conservation of work 3. Conversion of heat into work 4.Conversion of work into heat 2. The statement that molecular weights of all gases occupy the same volume is known as 1. Avogadro’s hypothesis 2. Dalton’s law 3. Gas law 4. Law […]

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