![]()
A) Anti-aircraft defense B) Deep sea exploration C) Civilian transport D) Anti-surface ship warfare
A) Using land-based missiles B) Using deck guns or submerged torpedoes C) Using boarding parties D) Using aerial bombardment
A) Post-World War II B) Early 20th century C) The Cold War era D) 19th century
A) HMS Conqueror B) HMS Venturer C) U-boat 864 D) The R class
A) High-speed evasion B) Active sonar jamming C) Remaining concealed in the depths D) Heavy armor plating
A) It amplifies radar signals B) It is an excellent conductor of sound C) It reflects light perfectly D) It creates magnetic interference
A) Argentina sank a British submarine B) The British Navy retreated C) The war ended immediately D) The Argentine surface fleet withdrew to port
A) It reveals the emitter's position B) It cannot detect submarines at all C) It consumes too much fuel D) It only works on land
A) Radio telegraphy and mines B) Deck guns and manual navigation C) Homing torpedoes, better sonar, and nuclear propulsion D) Steam engines and visual spotting
A) Diplomatic transport B) Specialized anti-submarine warfare C) Mine clearing D) Cargo transport
A) Deep sea oil drilling B) Inserting and removing covert agents C) Building underwater cables D) Commercial whale watching
A) Moving only during the night B) Advanced propellers and sound-reducing insulation C) Shutting down all electrical systems D) Using camouflage paint
A) Forcing the navy to waste resources searching large areas B) Reducing the need for naval base security C) Broadcasting propaganda D) Capturing enemy sailors for interrogation
A) Only traditional deck-mounted shells B) Everything from cluster bombs to nuclear weapons C) Only chemical weapons D) Only non-lethal deterrents
A) By providing aerial cover B) By refueling their planes mid-air C) By rescuing them from safe crash-land sites D) By repairing their aircraft at sea
A) USS Scorpion B) USS Thresher C) USS Barbero D) USS Tunny
A) George Washington class B) Tench class C) Tunny class D) Golf class
A) K-19 class B) Golf class C) Komsomolets class D) George Washington class
A) INS Khukri B) Glomar Explorer C) USS Thresher D) USS Scorpion
A) K-129 B) K-8 C) K-19 D) Komsomolets
A) K-19 B) Komsomolets C) K-129 D) K-8
A) Sunk by enemy fire B) Equipment failure during a test dive C) Radiation leak D) Fire on board
A) Hangor B) Ghazi C) General Belgrano D) Transit
A) George Washington class B) Tench-class C) Tunny class D) Golf class
A) Naval mines B) Anti-Israeli militias C) Troops for an invasion D) Nuclear weapons
A) November 2018 B) June 1982 C) 1971 D) July 1953
A) K-class B) U-19 C) RMS Lusitania D) HMS Venturer
A) Seventy-four B) Twenty C) Ten D) Five thousand
A) 5,000 miles B) 10,000 miles C) 2,000 miles D) 8,000 miles
A) Steam turbine B) Nuclear power C) Diesel–electric D) Coal-fired engines
A) Gato-class B) I-400-class C) Balao-class D) K-class
A) Kaiten B) Rudeltaktik C) Enigma D) Type 95
A) 30% B) 50% C) 90% D) 70%
A) I-201-class B) I-400-class C) Kairyu-class D) Type A Ko-hyoteki
A) Over 30 percent B) Under 2 percent C) Over 90 percent D) Over 60 percent
A) 314 B) 48 C) 52 D) 260
A) North Sea B) Mediterranean C) Norway D) Far East
A) I-400 B) Kaiten C) Gato D) Type A Ko-hyoteki
A) 1863 B) 1800 C) 1850 D) 1804
A) Robert Fulton B) Wilhelm Bauer C) Karl Flach D) John Philip Holland
A) Nautilus B) Holland I C) Brandtaucher D) Plongeur
A) Spain B) Germany C) United States D) France
A) Brandtaucher B) Nautilus C) Plongeur D) H. L. Hunley
A) Whitehead torpedo B) Self-propelled explosive C) Gun-powder-filled keg on a spar D) Compressed air missile
A) Robert Fulton B) Wilhelm Bauer C) Julius H. Kroehl D) Narcís Monturiol
A) Karl Flach B) Isaac Peral y Caballero C) George Garrett D) John Philip Holland
A) Nautilus B) Ictíneo II C) Plongeur D) Holland I
A) Diesel B) Electric batteries C) Compressed air D) Steam
A) Thorsten Nordenfelt B) Robert Whitehead C) Narcís Monturiol D) John Philip Holland
A) Robert Fulton B) Robert Whitehead C) Karl Flach D) George Garrett
A) Sirène B) Resurgam C) Nordenfelt I D) Porpoise
A) Dupuy de Lôme B) Gustave Zédé C) James Franklin Waddington D) Isaac Peral y Caballero
A) Plongeur B) Gymnote C) Aigrette D) Narval
A) Holland B) Peral C) Nautilus D) Som
A) 1596 B) 1578 C) 1620 D) 1562
A) William Bourne B) James I C) John Napier D) Charles V
A) David Bushnell B) William Bourne C) Cornelis Drebbel D) Jerónimo de Ayanz y Beaumont
A) Opusculum Taisnieri B) Inventions or Devises C) Gentlemen's Magazine D) Secret Inventions
A) Manual bellows B) Autonomous floating snorkels C) Electric fans D) Compressed oxygen tanks
A) Harpoons B) Robot arms C) Gloves D) Claw hooks
A) David Bushnell B) Giovanni Borelli C) Cornelis Drebbel D) Nathaniel Symons
A) 1775 B) 1620 C) 1747 D) 1680
A) Steam engine B) Manual pedals C) Screws D) Oars
A) Nathaniel Symons B) David Bushnell C) Giovanni Borelli D) Cornelis Drebbel
A) Rubber B) Leather C) Canvas D) Metal
A) John Napier B) Jerónimo de Ayanz y Beaumont C) Giovanni Borelli D) William Bourne
A) Device B) Secret C) Tagus D) Turtle
A) David Bushnell B) William Bourne C) Nathaniel Symons D) Cornelis Drebbel
A) Spherical B) Acorn-shaped C) Box-shaped D) Cylindrical
A) Two B) One C) Four D) Three
A) 1775 B) 1620 C) 1578 D) 1747
A) Submarines cannot operate underwater B) Submersibles are never used for science C) Submarines have greater independent underwater capability D) Submersibles are always larger than submarines
A) Ships B) Crafts C) Vessels D) Boats
A) Bridge B) Fin C) Sail D) Conning tower
A) Diving plane B) Sail C) Fin D) Hull
A) Hydrodynamic fins B) Pump jet C) Ballast tanks D) Conning tower
A) United States B) China C) Germany D) Russia
A) Frigate B) Diving bell C) Torpedo boat D) Bathyscaphe
A) Undersea archaeology B) Covert insertion of special forces C) Blockade running D) Nuclear deterrence
A) Oil platform inspections B) Military combat training C) Pipeline surveys D) Tourism
A) Auguste Piccard B) Krasnogvardeyets C) USS Protector D) USS Nautilus
A) Fully submersible military vessels B) Remotely operated underwater vehicles C) Civilian tourism submarines D) Self-propelled semi-submersibles
A) At least 50 tonnes B) At least 15 tonnes C) At least 7 tonnes D) At least 2 tonnes
A) 1960 B) 1957 C) 1959 D) 1952
A) 1987 B) 1984 C) 1986 D) 1990
A) Upward-beamed fathometer B) Inertial navigation system C) Visual star navigation D) Satellite tracking
A) 100–120 feet B) 800–1000 feet C) 200–300 feet D) 400–500 feet
A) Neutrally buoyant B) Weightless C) Positively buoyant D) Negatively buoyant
A) Achieve negative buoyancy B) Increase its displacement C) Release all ballast water D) Increase internal air pressure
A) Hard tanks B) Main tanks C) Compression tanks D) Soft tanks
A) 1 MPa B) 50 MPa C) 4 MPa D) 10 MPa
A) Titanium B) Steel C) Carbon fiber D) Aluminum
A) Perfectly stable equilibrium B) Static equilibrium C) Unstable equilibrium D) Neutral stability |