एक दोहरे प्रबलित बीम (doubly reinforced beam) में, संपीड़न सुदृढ़ीकरण (compression reinforcement) मुख्य रूप से किसलिए प्रदान किया जाता है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?