USCG Safety: Master's License

This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.


3: To turn over an inflatable liferaft that is upside down, you should pull on the __________.


166: On cargo vessels, which fire extinguisher is considered semi-portable?


314: The flag hoist 1.33 would be sent as __________.


358: When treating a person for third-degree burns, you should __________.

    N a. submerge the burn area in cold water
    N b. make the person stand up and walk to increase circulation
    Y c. cover the burns with thick, sterile dressings
    N d. break blisters and remove dead tissue

462: When the handle of an all-purpose nozzle is in the vertical position and without an applicator, the all-purpose nozzle will __________.

    Y a. produce high-velocity fog
    N b. produce low-velocity fog
    N c. produce a straight stream
    N d. shut off the water

518: A person who gets battery acid in an eye should IMMEDIATELY wash the eye with __________.

    N a. boric acid solution
    Y b. water
    N c. baking soda solution
    N d. ammonia

530: The TPI curve, one of the hydrostatic curves in a vessel's plans, gives the number of tons __________.

    N a. necessary to change the angle of list 1° at a given draft
    N b. necessary to change trim 1 inch at a given draft
    N c. pressure per square inch on the vessel's hull at a given draft
    Y d. necessary to further immerse the vessel 1 inch at a given draft

669: You are ordering ships' stores. Which statement is TRUE?

    N a. Aerosol cans of engine starting fluid must be stowed in either the paint locker or portable magazine after receipt.
    N b. Drugs and medicines must be stowed in accordance with the directives of the Food and Drug Administration.
    N c. Flammable ship's stores must be certified for use on inspected vessels by Underwriter's Laboratories.
    Y d. Properly labeled consumer commodities need not be labeled in accordance with Title 46 CFR.

704: Which radiotelephone transmission may be sent over channel 16?

    N a. Distress signal MAYDAY
    N b. Call to a particular station
    N c. A meteorological warning
    Y d. All of the above

714: A Coast Guard radiotelephone message about an aid to navigation that is off station is preceded by the word __________.

    N a. "PAN-PAN"
    N b. "MAYDAY"
    N c. "SOS"
    Y d. "SECURITY"

897: Which statement is TRUE concerning carbon dioxide?

    N a. It is lighter than air.
    Y b. It is an inert gas.
    N c. It is used mostly on class A fires.
    N d. All of the above

1003: You are on a vessel that has a metacentric height of 4 feet, and a beam of 50 feet. What can you expect the rolling period of the vessel to be?

    N a. 10.0 seconds
    N b. 10.5 seconds
    Y c. 11.0 seconds
    N d. 11.5 seconds

1024: The firing of a red star signal may mean __________.

    N a. "This is the best place to land"
    N b. "You are seen - assistance will be given as soon as possible"
    N c. "Tail block is made fast"
    Y d. "Slack away"

1123: On small passenger vessels, all spaces containing gasoline-powered machinery or gasoline storage tanks must be ventilated with __________.

    N a. mechanical air supply fans and natural exhaust
    Y b. natural air supply and mechanical exhaust fans
    N c. cowls and scoops which can be closed during foul weather
    N d. air conditioning to control moisture

1133: If you must enter water on which there is an oil fire, you should __________.

    N a. protect your life preserver by holding it above your head
    Y b. enter the water on the windward side of the vessel
    N c. keep both hands in front of your face to break the water surface when diving head first
    N d. wear very light clothing

1212: Ambient air, which you normally breathe, contains what percent of oxygen?

    N a. 6%
    N b. 10%
    N c. 15%
    Y d. 21%

1361: What is the minimum diameter allowed for bilge piping on small passenger vessels which are more than 65 feet in length?

    N a. 1"
    Y b. 1-1/2"
    N c. 2"
    N d. 2-1/2"

1422: Mechanical gearing of deck machinery such as the windlass or boat hoists should __________.

    N a. be open to view so, if a foreign object gets in the gearing, the operator can immediately stop the machinery
    Y b. have a guard over the gearing
    N c. be painted a contrasting color from the base color in order to call attention to the gearing
    N d. not be operated if there is any crew within 10 feet of the machinery

1454: You are in a lifeboat when you sight the stars indicated in illustration D005SA. You will be heading due north when you head for Polaris which is indicated by what letter? (D005SA )

    N a. A
    N b. C
    Y c. E
    N d. I

1673: In commercial fishing, "cold water" means water where the monthly mean low water temperature is normally __________.

    N a. 39°Fahrenheit or less
    N b. 44°Fahrenheit or less
    N c. 49°Fahrenheit or less
    Y d. 59°Fahrenheit or less

1926: A "reaching" course is one in which the wind __________.

    N a. comes directly over the bow
    N b. comes directly over the stern
    Y c. comes over an area extending from broad on the bow to the quarter
    N d. has no effect on the vessel

2103: All lifeboats, rescue boats, and rigid-type liferafts shall be stripped, cleaned, and thoroughly overhauled at least once every __________.

    Y a. year
    N b. 18 months
    N c. two years
    N d. 30 months

2218: The maximum length allowed between main, transverse bulkheads on a vessel is referred to as the __________.

    N a. floodable length
    N b. factor of subdivision
    N c. compartment standard
    Y d. permissible length

2243: Aboard a survival craft, ether can be used to __________.

    Y a. start the engine in cold weather
    N b. aid in helping personnel breathe
    N c. prime the sprinkler system
    N d. prime the air supply

2434: Your vessel's drafts are: FWD 14'-11", AFT 16'-01"; and the KG is 24.4 feet. What is the righting moment when the vessel is inclined to 30°? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)

    N a. 24,960 foot-tons
    N b. 22,870 foot-tons
    N c. 20,360 foot-tons
    Y d. 18,240 foot-tons

2581: A continuous watertight bulkhead on a MODU is normally also a(n) __________.

    Y a. structural bulkhead
    N b. exterior bulkhead
    N c. centerline bulkhead
    N d. joiner bulkhead

2611: The central longitudinal structural hull strength member of the lower hulls of semisubmersible MODU's is called the __________.

    N a. stress plate
    Y b. keel
    N c. rider plate
    N d. main beam

2701: Compared to internal structural plating, the exterior hull plating on a MODU is usually __________.

    Y a. stronger
    N b. thinner
    N c. more corrosion resistant
    N d. a lower grade steel

2889: Switchboards shall be ...... (small passenger vessel regulations)

    N a. Watertight.
    N b. Grounded to the main engine on a wooden hulled boat.
    Y c. The dead-front type, totally enclosed
    N d. Equipped with switch locks

2947: A semisubmersible displacing 700,000 cubic feet while floating in sea water (64 pounds per cubic foot) weighs __________.

    N a. 8,929 long tons
    N b. 19,509 long tons
    Y c. 20,000 long tons
    N d. 24,500 long tons

3000: A rigid lifesaving device ONLY designed for survivors to hold on to while in the water is known as a __________.

    N a. liferaft
    N b. life float
    N c. life preserver
    Y d. buoyant apparatus

3290: On vessels that are required to have fixed carbon dioxide fire extinguishing systems, the controls to operate the system shall be installed in an accessible location __________. (small passenger vessel regulations)

    Y a. outside the space protected
    N b. inside the space protected
    N c. at the carbon dioxide cylinders
    N d. in a padlocked waterproof metal box

3334: Inflatable liferafts are provided with __________.

    N a. a portable radio
    N b. an oil lantern
    N c. canned milk
    Y d. a towing bridle

3353: An inflatable liferaft can be launched by __________.

    N a. the float free method only
    N b. kicking the hydrostatic release
    Y c. throwing the entire container overboard, then pulling on the operating cord to inflate the raft
    N d. removing the securing straps

3431: The DEEP DRILLER, at a draft of 60 feet, has a KGL of 55.4 feet and an LCG of 2.37 feet. What is the trim in feet?

    N a. 2.0 feet by the head
    Y b. 4.0 feet by the head
    N c. 4.0 feet by the stern
    N d. 8.0 feet by the stern

3490: According to the SOLAS regulations, lifeboat falls must be renewed at intervals of how many years?

    N a. 2.5
    N b. 3
    N c. 4
    Y d. 5

3493: The longitudinal distance between draft marks for the DEEP DRILLER is __________.

    N a. 122'-09"
    Y b. 164'-00"
    N c. 260'-00"
    N d. 260'-05"

3544: A message by flashing light consists of the call, the identity, the text, and the __________.

    N a. destination
    N b. answer
    N c. time
    Y d. ending

3771: What is the decrease in longitudinal moments for the Deep Driller if 2.0 feet of ballast is transferred from 1S to 10P?

    N a. 15,265 ft-tons
    Y b. 14,609 ft-tons
    N c. 7,293 ft-tons
    N d. 5,174 ft-tons

3825: What is the change in longitudinal moments for the DEEP DRILLER if 103.48 long-tons of ballast is transferred from a full ballast tank 1P to an empty ballast tank 10S?

    Y a. 21,913 foot-tons decrease
    N b. 13,414 foot-tons decrease
    N c. 10,944 foot-tons decrease
    N d. 6,707 foot-tons decrease

3929: What is one of the FIRST things you would do on boarding an inflatable liferaft?

    N a. Open equipment pack.
    N b. Post a lookout.
    N c. Issue anti-seasickness medicine.
    Y d. Pick up other survivors.

4187: The DEEP DRILLER is drilling at 60 feet draft at a corrected KG of 54.0 feet. Ballast added or discharged to remain at a constant draft is at a VCG of 10 feet. How much non-liquid load would have to be removed from an average height of 130 feet above the keel to meet the maximum allowable KG at a draft of 60 feet for winds greater than 70 knots?

    N a. 1283 long tons
    N b. 817 long tons
    N c. 679 long tons
    Y d. 302 long tons

4401: Use of air gaps in excess of that stated in the Limits of Elevated Service for the COASTAL DRILLER could result in __________.

    N a. the hull being in the storm wave zone
    Y b. increased overturning moments
    N c. reduced exposed area
    N d. increased static leg loading

4453: When transferring survivors from a survival craft to a rescue vessel, personnel on board the craft should __________.

    N a. remove their life preservers to make it easier to climb on board the rescue vessel
    N b. climb on top of the survival craft while waiting for their turn to transfer to the rescue vessel
    Y c. remain seated inside the survival craft and make the transfer one person at a time
    N d. enter the water and swim over to the rescue vessel

4481: The COASTAL DRILLER, with a draft of 10 feet 3 inches in seawater, has a displacement of __________.

    N a. 13,011 kips
    Y b. 13,336 kips
    N c. 13,445 kips
    N d. 14,637 kips

4515: A survival craft being used to pick up a person who has fallen overboard from a MODU should approach the person __________.

    N a. at a high rate of speed
    N b. under oars
    Y c. against the wind
    N d. with the wind

5433: It is vital to the safety of the elevated COASTAL DRILLER that the hull be kept above __________.

    N a. the charted water depth
    N b. the charted water depth plus tidal corrections
    N c. the still water level
    Y d. wave action

5545: When a combination chain and wire rope mooring line is used, the chain is deployed __________.

    Y a. at the anchor end of the line
    N b. at the wildcat end of the line
    N c. midway between the anchor and the wildcat
    N d. through the anchor buoy

5694: What is the meaning of the signal QU RQ when sent by the International Code of Signals?

    N a. This is the call sign of a vessel registered in Latvia.
    Y b. Is anchoring prohibited?
    N c. Will you lead me to a safe anchorage?
    N d. Interrogative

5923: The relief valve on a fire pump is set at 25 psi above the pressure necessary to maintain required fire streams, or __________.

    N a. 50 psi
    N b. 75 psi
    Y c. 125 psi
    N d. 150 psi

6617: On offshore drilling units, sleeping spaces for the regular personnel employed on board may not berth more than __________.

    N a. two persons
    N b. three persons
    Y c. four persons
    N d. five persons

6991: The FIRST treatment of a person suspected of having airway burns is to __________.

    N a. move him to a cool location
    Y b. maintain an open airway
    N c. apply a cool damp dressing to his neck
    N d. have him drink cool liquids

8187: The maximum variable load for the COASTAL DRILLER while elevated in a severe storm is __________.

    Y a. 2,381 kips
    N b. 3,381 kips
    N c. 7,099 kips
    N d. 21,297 kips

8203: While on a normal tow, the COASTAL DRILLER is threatened with the approach of a severe storm. Including the time required to place the generators on-line, the approximate time required to lower the legs from a TOC (tip-of-can) position of 1.20 feet to 60.50 feet is __________.

    N a. 8 minutes
    N b. 32 minutes
    N c. 47 minutes
    Y d. 55 minutes

8411: What is one effect of running a diesel engine at too cool a temperature?

    Y a. Buildup of sludge in the lubricating system
    N b. Excessive fuel consumption
    N c. Severe heat stresses on mechanical parts
    N d. Foaming of the lubricating oil

9307: When a rescuer finds an electrical burn victim in the vicinity of live electrical equipment or wiring, his first step is to __________.

    N a. flush water over any burned area of the patient
    N b. apply ointment to the burned areas on the patient
    Y c. get assistance to shut down electrical power in the area
    N d. remove the patient from the vicinity of the live electrical equipment or wiring

9317: Which statement is CORRECT with respect to inserting an airway tube?

    Y a. Only a trained person should attempt to insert an airway tube.
    N b. A size 2 airway tube is the correct size for an adult.
    N c. The airway tube will not damage the victim's throat.
    N d. Inserting the airway tube will prevent vomiting.

9321: In battery charging rooms, exhaust ventilation should be provided __________.

    N a. at the lowest point
    N b. near the batteries
    Y c. at the highest point
    N d. only when charging is in progress

9375: After extinguishing a paint locker fire using the fixed CO2 system, the next action is to have the space __________.

    N a. opened and burned material removed
    Y b. left closed with vents off until all boundaries are cool
    N c. checked for oxygen content
    N d. doused with water to prevent reflash

9700: The regulations governing the sleeping accommodations of a cargo vessel are found in __________.

    N a. 46 CFR subchapter S
    N b. 46 CFR subchapter T
    N c. 46 CFR subchapter B
    Y d. 46 CFR subchapter I