CWB 2 All Module Exams Verified Questions And Answers Rated A+
CWB 2 All Module Exams Verified Questions And Answers Rated A+ A Plasma is: A) A gas made up of positive ions and free electrons B) A liquid used to reduce adherence of spatter C) The main component in an inverter power source D) Always present in an electrical circuit ANS A) A gas made up of positive ions and free electrons To increase melting rate (burn-off rate) in the shielded metal arc welding (SMAW) process, which polarity should be used? A) DCEP B) ACEP C) DCEN D) ACEP ANS C) DCEN Which type of welding power source is used for the SMAW process? A) Constant Current B) Constant Voltage C) Pulsed Current D) Pulsed Voltage ANS A) Constant Current The purpose of a drooping welding power source is to produce: A) Constant voltage regardless of the current demand B) Constant arc length regardless of current C) Nearly constant current regardless of voltage fluctuations B) Low open circuit voltage ANS C) Nearly constant current regardless of voltage fluctuations
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cwb 2 all module exams verified questions and answ
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a plasma is a a gas made up of positive ions an
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