NS101 Final Exam 2022, All correct Answers

NS101 Final Exam 2022, All correct Answers How would you create a rope? Fiber, yarn, strand, rope Dead Reckoning Distance=Speed*Time A boat is traveling at 12 knots for 2.4 hours, how far has the boat gone? 28.8 A boat has traveled for 3.6 hours and has made a course of 84 miles, how fast is the boat going? 23.3 What are the 3 natural types of ropes? Manila, Hemp, Cotton which is the most common type of natural rope? Manila Which is the strongest synthetic rope and how far can it stretch? Nylon, 40% What are the 5 types of synthetic rope? Polypropylene, Nylon, Polyester, Polyethylene, Kevlar Which rope (out of all natural and synthetic) works the best wet? Manila Why would you cover synthetic rope that is not in use? Protect from sun damage What are the four types of metal rope? Steel, Galvanized steel, Bronze, Aluminum How are wire clips attached? They all have the rounded part facing upwards. What is the most common splice? Eye splice What holds a splice in place? Fid Ship's deviation The effect the ship has on the compass Ship's variation The effect the outside world has on a compass. When should you first have any food or water after boarding a lifeboat or raft? 24 hours Drinking salt water will? Dehydrate you Once you have established a daily routine of drinking water, how should you drink it? One-third the daily ration three times a day The safety at life at sea convention was developed by? International Maritime Organization The most important reason for taking the sea sick pill is? Prevent loss of body moisture by vomiting If you wear extra clothing when entering the water it will? Preserve body heat Most common davit and can be operated by one person. Gravity Frapping lines are used to? Reduce the swinging of the lifeboat at the embarkation deck Lifeboats should be checked every? 5 years The oar that steers the lifeboat Sweep oar Water required on a life raft and boat? 1 ½ liters per person on a life raft and 3 liters for a life boat. Each compass point is... 11.25 degrees. Latitude is measure north or south from the equator 0-90 degrees Longitude is measure east or west from the prime meridian (Greenwich meridian) 1-180 degrees What is a positive aspect of a mercatror chart? It is flat, easy to work with. What is a negative aspect? Large amount of geographic distortion, especially at high latitudes. Greenwich Mean Time ( GMT) the time in England... Based on the prime meridian The earth is divided into ... 24 times zones...360/24 = 15 degrees MMC stands for... Merchant Mariner Credentials What type or EPIRB must be on an Ocean-going ship? Category I EPIRB must be tested? Monthly Each lifeboat must be lowered and maneuvered how often? 3 months Life jackets should be marked with? Vessel's name masthead lights Two white; 225 side lights Red port, and Green starboard (112.5) stern lights White (135) One blast on the ships whistle altering course to starboard Two blasts on the ships whistle altering course to port Three blasts on the ships whistle operating astern propulsion One prolonged blast (4-6 seconds) every two minutes Fog signals, for a power driven vessel underway shot (chain) Commercial Vessels use a measurement of chain called a SHOT; 1 shot = 15 fathoms 1 shot = 90 feet Fire and Emergency Signal Continuous sounding of the general alarm bells and on the ship whistle for a period of at least 10 seconds. Abandon ship signal More than 6 short blasts and 1 long blast on the whistle and the same on the general alarm bells. Backwater all The command given by the coxswain for everybody to row astern. Give way together The normal command for the crew to begin rowing the boat in a forward direction Hold water The command by the coxswain for the crew to drop the blades vertically into the water, straight out and hold them in that position. Oars The command given by the coxswain for the rowers to stop rowing and bring the blades out of the water and hold oars straight out. Oars out have the rowers prepare the oars to begin rowing. When heard crew puts all their shit out and waits for next command. Trail oars(water) move the oars in close to the side of the boat to allow boat to pass Way enough bring life locks in, take blades out of pocket. EPIRB Emergency, Position, Indicating, Radio, Beacon How often is and EPIRB checked checked once a month What must the EPIRB be marked with? must be marked with vessels name Nautical mile in feet 6,076 feet Four concerns after abandoning ship Exposure, Water, Sharks, Starvation. Cargo rigging Stay, Shroud, and Running rigs Stay Supports mast and runs forward to aft Shroud Support mast and run athwart ship, port to start board. Running rigs Falls, spreaders, toping lifts, guys HELP heat escape lessening posture TPA Thermal Protection Aid Magnetic Pole Earth's line of forces, also effected by deviation and variation. Geographic Pole true meridian, two points on Earth such as North and South Pole. What does Slack mean? To surge or pay out as line What does 'Take a Strain' mean? Place Line under Tension What does 'Check the Line' mean? When Line is under tension you ease it enough to prevent it from parting. What does 'Single up' mean? Let go all but one head and forward spring and one stern and aft spring. What does 'Let go or cast off' mean? Let go all lines What is the definition of a cold front? as a boundary in which a cold air mass is advancing and taking the place of a warm air mass What is a cold front shown as? are drawn as a blue line with blue triangles pointed in the direction of the front's movement. What is the definition of a warm front? a boundary in which a cold air mass is retreating, being replaced by a warmer and sometimes more humid air mass. What is a warm front shown as?