During a physical therapy session, a patient reports subject…

During a physical therapy session, a patient reports subjective dyspnea while ambulating on 2 LPM of oxygen via nasal cannula with SpO2 of 97%. The patient requests that the physical therapist increase the oxygen for exercise so they can “get enough air”. The physician’s order allows for “titration as needed to maintain adequate SpO2.” Which of the following is the most appropriate response?

The notched bar is subjected to a bending moment of M = 300…

The notched bar is subjected to a bending moment of M = 300 N·m. The major bar width is D = 78 mm, the minor bar width at the notches is d = 54 mm, and the radius of each notch is r = 3 mm. If the maximum bending stress in the bar must not exceed 72 MPa, determine the minimum required bar thickness using Neuber’s nomograph (Table 14.3 and Figure 14.10).