“Man cannot discover new oceans unless he has the courage to lose sight of the shore” – Andre Gide Trade encourages the exchange of ideas and encourages new inventions. 90% of international trade by volume is due to shipping. The standards of living in the present scenario and the jobs and livelihood of millions of people depend on ships and shipping. Of the three basic types of shipments: land, air, and sea, water shipping costs are usually less than land shipment and air shipment costs. But at the same time ships happen to be extremely expensive constructions themselves and some of the largest man-made vehicles ever made. A career in the Merchant Navy is enthralling and highly rewarding. It is no wonder that the youngsters today seek a career in the Merchant Navy. Most of the competitive exams contain questions on Mathematics, Physics, Chemistry, English, Aptitude and General Knowledge. Most of the questions are based on some fundamental logic. This book unravels some of the basic knowledge which may help the candidates face the entrance exams confidently for admission into merchant navy courses.