The most difficult weaponry riddles A list of weaponry related questions that are most often answered incorrectly World War II quiz What is the main reason to use nuclear reactor on a submarine?It needs no oxygen. Nuclear reactor requires no oxygen for combustion and emits no exhaust gas. It gives the submarine the ability to operate submerged at high speeds, for unlimited periods, dependent only on the endurance of its crew. Nuclear power revolutionized the submarine, finally making it a true "underwater" vessel, rather than a "submersible" craft.very hard 29% it needs no oxygenit needs no oxygen29%it needs no frequent refuellingit needs no frequent refuelling39%it is silentit is silent28%it is smallit is small2%Created by: Riho Ishii. Statistics based on 5625 answers in 2 languages »submarines riddles » The first rocket planes ever to be mass-produced were the Messerschmitt Me 163 in 1944. Which other country used rocket planes during WW2?Japan. The MXY-7 Navy Suicide Attacker Ohka (pictured) was a manned flying bomb that was usually carried underneath a Mitsubishi G4M2e "Betty" Model 24J bomber to within range of its target; on release, the pilot would first glide towards the target and when close enough he would fire the Ohka's three solid-fuel rockets. The Japanese produced approximately 850 Ohkas, and seven US ships were damaged or sunk by them throughout the war.hard 52% U.S.U.S.20%United KingdomUnited Kingdom12%Soviet UnionSoviet Union14%JapanJapan52%Created by: Monica Stiller. Statistics based on 20680 answers in 2 languages »planes riddles » How successful were the human torpedoes, developed by the Japanese during the WW2?It was a disappointment. Kaitens had a very limited diving depth, which in turn limited the diving depth of the host submarine. This is one of several factors blamed for the very poor survival rate of submarines armed with kaitens: eight submarines being lost for the sinking of only two enemy ships and damaging several others.hard 55% it was a great success and the main threat for US Navyit was a great success and the main threat for US Navy10%it was a success, over 50 ships were sunkit was a success, over 50 ships were sunk17%it was a disappointmentit was a disappointment55%it was never usedit was never used16%Created by: globalquiz.org. Statistics based on 24744 answers in 2 languages »navy riddles » The Maginot Line was a 450 km long line of fortifications along the French border. What was the German equivalent for that?Siegfried Line. The original Siegfried Line (German: Siegfriedstellung) was a First World War line of defensive forts and tank defences built by Germany in northern France during 1916–17 as a section of the Hindenburg Line. In English the term "Siegfried Line" commonly refers to the "Westwall", the German term for a similar Second World War-era defensive line built further east during the 1930s opposite the French Maginot Line.hard 56% Siegfried LineSiegfried Line56%Rommel LineRommel Line14%Guderian LineGuderian Line17%German Defence LineGerman Defence Line10%Created by: Ninjai. Statistics based on 858 answers in 2 languages »World War II riddles » The term "kamikaze" usually refers to the plane strikes. What devices were also used by Japan for intentional suicide attacks during WW2?Torpedoes. In the final stages of World War II, the Japanese used Kaitens, manned torpedoes. Early designs allowed the pilot to escape after the final acceleration toward the target, but provision was dropped later. The kaiten could operate for several hours, and it was able to attack several times in case of a miss.average 69% balloonsballoons11%torpedoestorpedoes69%hovercrafthovercraft12%helicoptershelicopters6%Created by: globalquiz.org. Statistics based on 27519 answers in 2 languages »history of Japan riddles » Which country mass-produced speedboats packed with explosives as a weapon during WW2?Japan. The Shinyo ("Sea Quake") were Japanese suicide boats, driven by one man, to speeds of around 30 kn (56 km/h; 35 mph). Around 6,200 Shinyo were produced for the Imperial Japanese Navy and stored on the coast of Japan for the ultimate defense against the invasion of the Home Islands. Only a small number of them were used in action in the Phillipines and Okinawa, sinking some gunboats and auxiliary ships.easy 70% GermanyGermany12%RussiaRussia7%JapanJapan70%ItalyItaly9%Created by: Cleo. Statistics based on 31885 answers in 2 languages »weapons riddles » Play World War II quiz and see all the questions.