Electric arc welding - Study guides, Class notes & Summaries

In DC electrode positive, how much power is at the work clamp? ~~> 1/3 Constant voltage is NOT used for which of the following welding processes? ~~> Gas tungsten arc welding In alternating current, how often does the current alternate between negative and positive? ~~> 120 times per second Shielded metal arc welding is more commonly known as which of the following? ~~> Stick welding What is the energy used to strike an arc called? ~~> voltage For DC electrode p...

CWB 2 Visual Weld Inspector Exam Complete Set Questions With Verified Answers The weld heat affected zone is: - ANSWER the portion of the base metal adjacent to the weld metal whose properties have been changed due to the heat of welding When an arc is formed between two electrodes - ANSWER electricity flows from negative cathode to positive anode The magnetic pinch force helps in the process of the detaching the molten metal drops from the electrode tip. The magnetic force - AN...

True or False? "Electric current is readily conducted in metal (low resistance) because of the many free electrons" - CORRECT ANSWER True True or False? "Conventional current flow is from negative to positive." - CORRECT ANSWER False Materials that have a high resistance to current flow are called: A) Semi-conductors B) Conductors C) Insulators - CORRECT ANSWER C) Insulators True or False? "A gas can only conduct electricity when the gas has been ionized (...

CWB | Power Sources for Welding Test Questions With Answers Guide Question - Section 2 "Electric current is readily conducted in metals (low resistance) because of the many free electrons" True or false - ANSWER True Guide Question - Section 2 "Conventional current flow is from negative to positive" True or False - ANSWER False Guide Question - Section 2 Materials that have a high resistance to current flow are called: a) Semi conductors b) conductors c) insulators - ANSWER ...

A consumable electrode is: - ans ----AN electrode which melts and provides metal to fill the joint The weld heat affected zone is: - ans ----the portion of the base metal adjacent to the weld metal whose properties have been changed due to the heat of welding When an arc is formed between two electrodes - ans ----electricity flows from negative cathode to positive anode The magnetic pinch force helps in the process of the detaching the molten metal drops from the electrode t...

CWB Welding Inspector - Exam Pre Set Actual Questions & Verified Solutions 100% Which of the following is not a duty of a supervisor? - ANSWER d True or false? To create a safe working environment, the employer must inform workers about the hazards and provide a safe working environment and the worker must use the required protective equipment and follow safety procedures. - ANSWER a Which level of government created the Workplace Hazardous Materials Information System, WHMIS? -...

CWB Module 1 Exam Questions and Answers All Correct True or False? Creating a safe working environment is strictly the responsibility of the employer? - Answer-False, it the the joint responsibility of the employer and employee. WHMIS stands for: a) Workers Health Monitoring System b) Workplace Hazardous Materials Information System c) Workers for a Healthy Manufacturing Industry Society - Answer-b) Workplace Hazardous Materials Information System What are three ways that WHMI...

D. Jobs Contributing to highest incident rates CORRECT ANSWER When implementing a job safety analysis program, what should be analyzed first? A. Jobs generating the most employee complaints B. Jobs moving through each department C. Jobs exposing the most workers D. Jobs contributing to high incident rates B. Fault tree anlaysis CORRECT ANSWER Which is an accepted probabilistic risk assessment methodology used in global environmental regulatory processes for understanding and ranking envir...

Guide Question - Section 2 "Electric current is readily conducted in metals (low resistance) because of the many free electrons" True or false - True Guide Question - Section 2 "Conventional current flow is from negative to positive" True or False - False Guide Question - Section 2 Materials that have a high resistance to current flow are called: a) Semi conductors b) conductors c) insulators - c) insulators Guide Question - Section 2 "A gas can only conduct electricity when the...

Apparatus - An assembly of machines used together to do a particular job Arc - The flow of electrical current through a gas such as air form one pole to another pole Arc Welding - The joining of metal parts by fusion, in which the necessary heat is produced by means of an electric arc Combustible - Capable of easily igniting and rapidly burning ; Used to describe a fuel with a flash point at or above 100 degrees F Competent person - A person who can identify working conditions or surrounding...