QUESTIONS . . 631
12. Explain tho abbreviations KM, KG and QM.
• 13. Draw a figure to illustrate a 'ship having a negative GM.
14. When and by whom is the initial KG determined ?
15. Describe in detail the inclining experiment to ascertain the
GM of a new ship.
16. Define the terms (i) trim ; (ii) tipping centre ; (in) tons per
inch immersion ; (iv) inch trim moment; (v) total trim.
17. Explain the principle of computing thfc total trim oi a vessel
when a weight is moved forward or aft.