In pulse GTAW process, mean current Im value is found using formula (where Ip is peak current, Ib is base current, Tp is time for peak current and Tb is time for base current)

Database System Concepts
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Chapter1: Introduction
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1) In pulse GTAW process, mean current Im
value is found using formula (where Ip is
peak current, Ib is base current, Tp is time for peak
current and Tb is time for base current)
O (PTp - IbTb) / (Tp - Tb)
O (IpTp + IbTb) / (Tp+ Tb)
O (lpTp + IbTb) / (Tp - Tb)
O (lpTp - IbTb) / (Tp + Tb)
Transcribed Image Text:1) In pulse GTAW process, mean current Im value is found using formula (where Ip is peak current, Ib is base current, Tp is time for peak current and Tb is time for base current) O (PTp - IbTb) / (Tp - Tb) O (IpTp + IbTb) / (Tp+ Tb) O (lpTp + IbTb) / (Tp - Tb) O (lpTp - IbTb) / (Tp + Tb)
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