दहन के दौरान डीजल इंजन के सिलेंडर में उत्पन्न होने वाली धात्विक ध्वनि, जो आमतौर पर तब होती है जब ईंधन तेल की प्रज्वलन गुणवत्ता कम होती है, कहलाती 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?