A Simply Supported Beam (L = 4 $q = 25 \mathrm { kN } / \mathrm { m }$

question 3

Multiple Choice

A simply supported beam (L = 4.5 m) with rectangular cross section (b = 95 mm, h = 280 mm) supports uniform load $q = 25 \mathrm { kN } / \mathrm { m }$ . The ratio of the magnitudes of the principal stresses $\left( \sigma _ { 1 } / \sigma _ { 2 } \right)$ at a point $a = 1.0 \mathrm {~m}$ from the left support and distance $d = 100 \mathrm {~mm}$ up from the bottom of the beam is approximately:

• A) 9
• B) 17
• C) 31
• D) 41

Explain the significance of redox reactions in the transfer of electrons during photosynthesis.

Identify the role and mechanism of ATP synthase in ATP production.

Describe the function of accessory pigments in photosynthesis.

Understand the concept of action and absorption spectra in relation to photosynthetic efficiency.

---

Definitions:

Organizational Psychologists

Professionals who apply psychological principles and research methods to understand workplace behavior and improve employee well-being and performance.

Intrinsically Motivated

Being internally driven to perform an activity, task, or pursue a goal for its own sake, rather than for some external reward or pressure.

Charismatic

Possessing an exceptional ability to attract, inspire, and influence people around them.

Task-Oriented

An approach or behavior focused primarily on completing given tasks or objectives, often highlighting efficiency and effectiveness.