Liquid-propellant rocket - Quiz
A) Liquid oxygen and ethanol B) Liquid oxygen and RP-1 C) Hydrazine and nitric acid D) UDMH and dinitrogen tetroxide
A) Lower toxicity levels for crew B) Production via Zirconia electrolysis from the Martian atmosphere C) Higher specific impulse compared to kerosene D) Availability of water resources on Mars
A) V-2 rocket B) Robert Goddard's first liquid rocket C) Redstone rocket D) Falcon 9
A) Saturn V B) Falcon 9 C) V-2 (A4) D) Titan I
A) Inert B) Solid-state C) Cryogenic D) Hypergolic
A) T-Stoff and C-Stoff B) Nitric acid and kerosene C) UDMH and dinitrogen tetroxide D) LOX and RP-1
A) Aerozine 50 and nitric acid B) Liquid oxygen and RP-1 C) High-test peroxide and kerosene D) Monomethylhydrazine and dinitrogen tetroxide
A) Evaporation leads to fuel loss B) They have low specific impulse C) They are highly toxic D) They are too expensive to manufacture
A) Aerozine 50 and dinitrogen tetroxide B) Liquid oxygen and ethanol C) Nitric acid and UDMH D) Liquid oxygen and RP-1
A) Falcon 9 B) Redstone C) Proton D) Saturn V
A) 50% UDMH and 50% hydrazine B) 100% hydrazine C) 100% UDMH D) 50% kerosene and 50% hydrazine
A) They do not require ignition systems B) They are cheaper to store C) They provide higher specific impulse D) Hydrazine-based propellants are toxic and carcinogenic
A) Titan 2 B) Falcon 1 C) Proton D) Scud-A
A) 300 s B) 350 s C) 400 s D) 250 s
A) Tripropellant B) Monopropellant C) Hybrid D) Bipropellant
A) Change the type of fuel used mid-flight B) Control the magnitude of thrust C) Increase the weight of the rocket D) Eliminate the need for an oxidizer
A) Complete immunity from explosions B) Resistance to high temperatures C) Lack of toxic exhaust D) Controlled shutdown during an emergency
A) The excessive weight of the combustion chamber B) The increased air resistance at high speeds C) The shifting of the center of mass rearward D) The structural weakness of the engine nozzle
A) Adding solid ballast B) Thickening the tank walls C) Slosh baffles D) Increased fuel pressure
A) The cooling phase before launch B) Uncommanded cycles of acceleration C) A method to restart the engine D) The process of engine ignition
A) Increasing the weight of the rocket significantly B) Freezing it into ice that can block seals C) Causing the fuel to evaporate too quickly D) Converting it into an explosive fuel
A) They cannot reach high speeds B) They are too expensive to build C) They have very low specific impulse D) They require considerable preparation before launch
A) It will switch to an auxiliary tank B) It will freeze the fuel C) It will automatically shut down D) It may overspeed
A) Centrifugal turbopump B) Reciprocating pump C) Diaphragm pump D) Peristaltic pump
A) Saturn V F-1 B) SpaceX Raptor C) Space Shuttle Main Engine D) SpaceX Merlin 1D
A) Oxygen B) Carbon dioxide C) Helium D) Methane
A) Approximately 5% B) Approximately 20% C) Approximately 10% D) Approximately 1%
A) Around 25% B) Around 1% C) Around 50% D) Around 10%
A) Parachute recovery system B) Pyrotechnic igniter C) Payload fairing D) Landing gear
A) Satellites for orbit maintenance B) Atmospheric aircraft C) Deep space probes D) First-stage boosters
A) Nitrogen oxides B) Carbon dioxide C) Water vapor D) Soot
A) Foam insulation breaking loose B) Battery explosion C) Turbopump failure D) Oxidizer leak
A) Space Shuttle main engine B) Raptor C) Saturn V engine D) Delta IV engine
A) Less explosive B) More explosive C) Non-flammable D) Equally explosive
A) The nozzle material B) The fuel density C) The injector implementation D) The chamber pressure
A) The nozzle melts immediately B) The oxidizer freezes C) The rocket engine stalls D) Unburnt propellant leaves the engine
A) High efficiency B) Moderate efficiency C) Variable efficiency D) Quite poor efficiency
A) Pintle B) Centripetal C) Shower head D) Self-impinging doublet
A) Apollo Lunar Module engine B) F-1 engine C) Kestrel engine D) Merlin engine
A) Elon Musk B) Robert Goddard C) Wernher von Braun D) Valentin Glushko
A) A turbulent sphere B) A cone-shaped sheet C) A parallel jet D) A solid cylinder
A) Merlin B) RS-25 C) Kestrel D) Wasserfall
A) Shower head, jet-stream, rocket-impingement, flat plate B) Shower head, self-impinging doublet, cross-impinging triplet, centripetal, pintle C) Pintle, square hole, triangle hole, centrifugal D) Centripetal, double-flow, pressure-drop, oscillation-reduction
A) Hammering B) Cavitation C) Resonance D) Chugging
A) Saturn V B) Mercury-Redstone C) Space Shuttle D) Atlas V
A) Helmholtz resonators B) Pressure relief valves C) Vortex generators D) Baffle plates
A) Varying the fuel flow rate B) Using small explosives C) Monitoring exhaust temperature D) Measuring external vibration |
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