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A) It melts B) It expands C) It turns into liquid D) It shatters
A) Destroying the geometry of the metal jet B) Absorbing the sound waves C) Cooling the projectile D) Creating a magnetic field
A) The 1940s B) The 1980s C) The 1990s D) The 1960s
A) Disrupting and spreading kinetic energy of projectiles B) Reducing the weight of the engine C) Improving radio reception D) Increasing vehicle speed
A) Rubber and copper B) Iron and glass C) Steel and ceramics D) Aluminum and plastic
A) The 1920s B) The 1980s C) The 1960s D) The 1940s
A) New energy resistant armour B) Non-elemental reactive alloy C) Non-explosive reactive armour D) Negative energy reaction assembly
A) Low density interlayer material B) Explosive compound C) Pressurized gas D) High density lead
A) It turns to vapor B) It swells and moves the plates C) It absorbs the entire projectile D) It hardens instantly
A) Ceramic B) Uranium C) Glass D) Steel
A) Copper B) Aluminium C) Rubber D) Lead
A) A fibreglass reinforced polymer B) A reactive explosive C) A type of high hardness steel D) A uranium alloy
A) Under the keel B) Inside the engine room C) Outside the hull D) On the radar mast
A) Improve steering B) Store ammunition C) Maintain watertight integrity D) Increase speed
A) To improve protection B) To increase deck space C) To assist with docking D) To save fuel
A) It stabilizes the cannons B) It adds buoyancy C) It cools the hull D) It hides the ship from radar
A) Flight deck B) Waterline level C) The rudder D) Hangar deck
A) Concrete blocks B) Nanomaterials C) Solid granite D) Thick lead plating
A) Aramid composite kevlar bandages. B) Thick rubber mats. C) Wooden shielding. D) Steel chains.
A) Carbon fiber. B) Modern titanium alloys. C) Wrought iron. D) Polycarbonate.
A) Radio interference. B) Extreme gravity. C) Micrometeoroids. D) Enemy missiles.
A) Cessna 172. B) A-10 Thunderbolt II. C) Boeing 747. D) Space Shuttle.
A) Mobility is restricted. B) The vehicle becomes invisible. C) The engine becomes silent. D) Fuel consumption decreases.
A) It is easy to weld. B) High specific strength. C) It is naturally bullet-repellent. D) It is the cheapest metal.
A) Heat treatment is difficult or impossible. B) It is mixed with plastic. C) It contains high levels of lead. D) It is cooled too quickly.
A) Main battle tanks B) Merchant ships C) Aircraft carriers D) Submarines
A) 50% B) 7% C) 25% D) 43%
A) 7% B) 10% C) 43% D) 50%
A) The wooden form B) The steel backing plate C) The bitumen layer D) Hard granite particles
A) Aluminium oxynitride B) Polyurethane C) Granite D) Limestone
A) Polycarbonate B) Granite C) Bitumen D) Steel
A) 70–75 mm B) 100–120 mm C) 0.5 inches D) 2 inches
A) Bitumen B) Granite C) Limestone D) Polyvinyl butyral
A) 100–120 mm B) 70–75 mm C) 50 mm D) 200 mm |