ASSIGNMENT 5 Textbook  Assignment: “Ship  Propulsion,”   chapter 8, pages 8-1 through 8-8, “Pump, Valves, and Piping,”   chapter 9, pages 9-1 through 9-49, and “Auxiliary Machinery  and  Equipment,”   chapter 10, pages 10-1 through 10-54. 5-1. The  primary  function  of  any  marine engineering  plant  is  to  convert the chemical energy of a fuel into useful work and use that work for what purpose? 1. Propulsion  of  the  ship 2. Decontamination of the ship 3. Operation of hydraulic clutches 4. Production of steam 5-2. What type of propeller is used in most  naval  ships? 1. Gear 2. Paddle 3. Thrust 4. Screw 5-3. Steam propulsion-type ships built since 1935 have what type of propulsion  gears? 1. Single reduction 2. Double reaction 3. Double reduction 4. High-speed reaction 5-4. Pneumatic clutches with   a cylindrical  friction  surface  are used with engines up to what maximum   horsepower? 1. 1,000 hp 2. 2,000 hp 3. 3,000 hp 4. 4,000  hp 5-5. What are the two general styles of friction  clutches? 1. hydraulic  and 2. Disk and band 3. Hard and soft 4. Gear and rod mechanical 5-6. What are the two general types of friction  clutches? 1. Dry and wet 2. Hard and soft 3. Disk and band 4. Air  and  hydraulic 5-7. A screw propeller may be broadly classified by which of the following  terms? 1. Single  pitch  or  double  pitch 2. Stationary  angle  or  variable angle 3. Fixed  pitch  or  controllable pitch 4. Stationary  pitch  or  variable rotation 5-8. Classification  of  centrifugal pumps is based on which of the following  factors? 1. 2. 3. 4. 5-9. The Self-priming ability Positive displacement Number  of  impellers Position  of  moving  vanes sidewalls  of  a  closed  impeller extend from what point to what other  point? 1. (a)  The  eye (b) outer edge of vane tips 2. (a)  Suction  line (b)  wearing  rings 3. (a)  Stuffing  box (b)  the  eye 4. (a) The water seal (b)  discharge  line 25