Q. Which of the following is/are correct regarding farakka barrage? 1. It is situated on the hooghly river 2. It was first started in 1975 A. 1 only B. 2 only C. Both D. None . . . . . . . . . . . Answer B Q. With reference to 3D Printing, consider the following statements 1. It is also called additive manufacturing 2. To perform a print, the machine reads the design from 3D printable file Which of the statements given above is/are correct? A. 1 only B. 2 Only C. Both D. None . . . . . . . . . . . Answer C Q. Which of the following discontinuity is present at the intersection of earth's mantle and core? A. Mohorovicic B. Guttensburg C. Conard D. Lehmann. . . . . . . . . . . . Answer C