What material is commonly used for the lenses of periscopes?
(a) Glass
(b) Plastic
(c) Acrylic
(d) Polycarbonate
What type of propulsion is used by most modern submarines?
(a) Diesel
(b) Nuclear
(c) Gasoline
(d) Steam
Which of the following is NOT a common type of propulsion system?
(a) Nuclear
(b) Diesel-electric
(c) Steam
(d) Gas turbine
Which part is responsible for converting mechanical energy into propulsive force?
(a) Periscope
(b) Sonar system
(c) Ballast tanks
(d) Propeller
Which country developed the first functional submarine known as “Turtle”?
(a) United States
(b) United Kingdom
(c) Germany
(d) France
What defensive measure is commonly used by ships to counter submarine attacks?
(a) Sonar buoys
(b) Anti-aircraft guns
(c) Radar systems
(d) Depth charges
What was the name of the first nuclear-powered submarine?
(a) USS Nautilus
(b) USS Thresher
(c) USS George Washington
(d) USS Seawolf
Which Russian submarine class is considered one of the quietest and most advanced in the world?
(a) Typhoon-class
(b) Oscar-class
(c) Akula-class
(d) Delta-class
Which Asian country operates the Soryu class?
(a) South Korea
(b) India
(c) China
(d) Japan
Which European country operates Barracuda-class?
(a) United Kingdom
(b) Germany
(c) France
(d) Austria
Which class is the backbone of the United States Navy’s submarine fleet?
(a) Los Angeles-class
(b) Virginia-class
(c) Ohio-class
(d) Seawolf-class
What was the submarine’s name that became the first to complete a submerged circumnavigation of the globe?
(a) USS Nautilus
(b) USS Thresher
(c) HMS Dreadnought
(d) K-129
What was the name of the German submarine that sank the British ocean liner RMS Lusitania?
(a) U-47
(b) U-96
(c) U-505
(d) U-20
What was part of “Wolfpack”?
(a) Type XXI
(b) Type VII
(c) Type IX
(d) Type XXIII
Which part of the submarine does the periscope extend from?
(a) Conning tower
(b) Sonar room
(c) Engine room
(d) Torpedo room
What is the primary purpose of a periscope?
(a) To measure water depth
(b) To provide an elevated view of the surface
Which country launched the first operational submarine in 1900?
(a) United States
(b) United Kingdom
(c) Germany
(d) Russia
What is the maximum depth that most submarines can reach?
(a) 100 meters
(b) 500 meters
(c) 1,000 meters
(d) 5,000 meters
What is the name of the largest submarine ever built?
(a) USS Nautilus
(b) HMS Dreadnought
(c) Akula-class
(d) Typhoon-class
What is the primary advantage of using nuclear power?
(a) Longer submerged endurance
(b) Higher maximum speed
(c) Quieter operation
(d) Reduced maintenance requirements
Who is credited with building the first successful military submarine?
(a) Isaac Peral
(b) Robert Fulton
(c) John Philip Holland
(d) David Bushnell
Which inventor developed the first practical submarine that used electric propulsion?
(a) Isaac Peral
(b) Robert Fulton
(c) John Philip Holland
(d) David Bushnell
Which country operates the “Kilo-class”?
(a) Germany
(b) France
(c) Sweden
(d) Russia
Which European country operates the Vanguard class?
(a) France
(b) Belgium
(c) United Kingdom
(d) Sweden
What was the name of the German World War II submarine famously known as the “Grey Wolf”?
(a) U-47
(b) U-96
(c) U-505
(d) U-534
What technology allows submarines to navigate and communicate underwater?
(a) Sonar
(b) Radar
(c) GPS
(d) Satellite communication
Which submarine gained international attention during the Cold War for its involvement in the Cuban Missile Crisis in 1962?
(a) USS Nautilus
(b) USS Scorpion
(c) HMS Dreadnought
(d) B-59
What codename was given to the German naval operations involving submarines during World War II?
(a) Operation Overlord
(b) Operation Barbarossa
(c) Operation Drumbeat
(d) Operation Neptune
What device name allows a submarine to remain submerged for extended periods?
(a) Ballast tank
(b) Nuclear reactor
(c) Air scrubber
(d) Oxygen generator
What distinguishes an autonomous underwater vehicle from a traditional human-crewed submarine?
(a) AUVs are larger.
(b) AUVs are remotely operated and do not have a crew onboard.
(c) AUVs have stronger hulls for deeper dives.
Which submarine became the first to launch a ballistic missile underwater successfully?
(a) USS Nautilus
(b) HMS Dreadnought
(c) USS Monitor
(d) USS George Washington
Which warfare tactic involves hiding a submarine under the water’s thermal layer to avoid detection?
(a) Snorkeling
(b) Periscope depth
(c) Silent running
(d) Thermal masking
Which country is the only one in Latin America that operates submarines?
(a) Argentina
(b) Brazil
(c) Chile
(d) Colombia
Which type of German submarine was primarily used during World War II?
(a) Type VII
(b) Type IX
(c) Type XXI
(d) Type XXIII
Which class is considered the most advanced and stealthy attack submarine operated by the Royal Navy of the United Kingdom?
(a) Astute-class
(b) Vanguard-class
(c) Trafalgar-class
(d) Dreadnought-class
In what century was the first documented use of a submarine-like vessel recorded?
(a) 16th century
(b) 18th century
(c) 19th century
(d) 20th century
Which famous Soviet submarine was involved in a tragic accident in 2000, leading to the loss of the entire crew?
(a) K-129
(b) K-141 Kursk
(c) USS Scorpion
(d) B-59
Which one is nicknamed “The Silent Service”?
(a) USS Nautilus
(b) USS Growler
(c) USS Wahoo
(d) USS Bowfin
Which gas is commonly used to fill the ballast tanks to control buoyancy?
(a) Oxygen
(b) Nitrogen
(c) Helium
(d) Compressed air
Which submarine is often called the “workhorse of the U.S. Navy”?
(a) U-boat
(b) USS Nautilus
(c) HMS Dreadnought
(d) Gato-class
Which Russian class is known for being the world’s largest and most heavily armed submarines?
(a) Typhoon-class
(b) Oscar-class
(c) Akula-class
(d) Delta-class
Which Asian country is known for operating the Arihant class?
(a) Pakistan
(b) India
(c) China
(d) South Korea
What is the purpose of an air-independent propulsion system?
(a) To enhance underwater stealth
(b) To increase top speed
(c) To provide backup power in case of engine failure
(d) To enable longer submerged endurance
Which technological advancement was crucial in anti-submarine warfare during World War I?
(a) Depth charges
(b) Sonar systems
(c) Radar
(d) Aircraft
What is the maximum depth reached by a human-crewed submarine?
(a) 1,000 meters
(b) 3,000 meters
(c) 6,000 meters
(d) 10,000 meters
What is the main advantage of a midget submarine?
(a) It offers enhanced stealth and maneuverability in coastal and shallow waters.
(b) It has a larger crew capacity.
(c) It can carry more torpedoes and missiles.
What was the name of the first submarine to successfully sink an enemy ship in combat during the American Civil War?
(a) USS Monitor
(b) CSS Virginia
(c) H. L. Hunley
(d) USS Kearsarge
Which European country is known for Type 212 and Type 214 classes?
(a) Spain
(b) Germany
(c) United Kingdom
(d) Sweden
Which German U-boat commander became one of World War II’s most successful aces, sinking 87 ships?
(a) Otto Kretschmer
(b) Reinhard Hardegen
(c) Günther Prien
(d) Wolfgang Lüth
Which U.S. Navy submarine is famously known for its secret surveillance missions during the Cold War?
(a) USS Nautilus
(b) USS Scorpion
(c) USS Parche
(d) USS Jimmy Carter
