Refer to the diagram above and solve using the values provided.
R1 = 80 ?, R2 = 100 ?, and R3 = 400 ?, and 480 V is applied between A and B. What is the total current flow?
What will be an ideal response?
3 ?
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The ____________________ of the amplifier is controlled by the ratio of resistor R2 to resistor R1.
Fill in the blank(s) with the appropriate word(s).
?If more than one torch is to be used with a cylinder, the draw rates of the tips should be ____ to obtain the number of cylinders that must be manifolded together.
A. ?added B. ?subtracted C. ?multiplied D. ?divided
Which of the following is a correct statement regarding personal protective equipment?
a. If tennis shoes are worn while welding, spats must also be worn. b. Leathers are only needed during cutting operations. c. Disposable earplugs are the most common form of hearing protection used in welding. d. The minimum protective shade of eye protection for SMAW is 4.
Which of these is the correct statement regarding SDSs/MSDSs?
a. They are only required for acids. b. They need only be stored at the employee?s corporate offices. c. They must be available at the job site to workers. d. Workers must be provided access to them through the Internet.