The typical plasma arc cutting torch contains a _____.
a. deflector, retaining cup, extended nozzle, and extended electrode
b. gouge shield, retaining cup, gouging nozzle, and standard bronze electrode
c. deflector, gouge shield, retaining cup, and copper electrode
d. retaining cup, copper electrode with a hafnium or thoriated tungsten insert, gas swirl ring, and nozzle
Question 2
Which of the following safety statements related to plasma arc cutting is true?
a. A hot-work permit is not required for plasma arc cutting due to the nature of the process.
b. Both methane and propane are lighter than air and rise quickly from the work area if released.
c. Never carry matches or gas-filled lighters in your pockets.
d. Unlike oxyfuel cutting, a vessel can be cut safely with plasma regardless of its contents.
Insulin promotes the transport of glucose across plasma membranes.
Structure of a typical plant cell
Order and Duration of Sleep Stages Through a Typical Night
Surgical needle shapes: (A) taper point; (B) cutting point.
Bell’s palsy, showing typical drooping of one side of the face.
Typical injuries of an unrestrained driver.