KBC 2023| What is such a device used for? (Handpump) KBC 2023, Check the answer to the question- What is such a device used for? (Handpump) By Himani Budakoti - October 16, 2023 KBC 2023, The options of the question – What is such a device used for? (Handpump) A. Lighting a fire B. Ploughing C. Scaring birds D. Pumping water The answer is D. Pumping water.