आयताकार अनुप्रस्थ काट वाली एक बीम 100 मिमी चौड़ी और 200 मिमी गहरी है। यदि इस खंड पर 20 kN का कर्तन बल (shear force) लगाया जाता है, तो खंड में अधिकतम कर्तन प्रतिबल (maximum shear stress) कितना होगा?

In an unseeded 5-day BOD test of domestic wastewater, 6 mL of wastewater is added to a 300 mL BOD bottle. The initial dissolved oxygen (DO) is 8 mg/L and after 5 days the DO is 4 mg/L. Compute the 5-day BOD of the wastewater.

A Self-Help Group of 12 women contributed 200 Rupees each monthly for 10 months. They earned 4,000 Rupees from internal lending interest and received a Revolving Fund of 15,000 Rupees under DAY-NRLM. What is the total corpus and the maximum Cash Credit (CC) limit allowable under the 6-times rule?