Rocket Propulsion MCQs
Rocket Propulsion MCQs
These Rocket Propulsion multiple-choice questions and their answers will help you strengthen your grip on the subject of Rocket Propulsion. You can prepare for an upcoming exam or job interview with these Rocket Propulsion MCQs.
So scroll down and start answering.
1: What is a means of locomotion that produces thrust by ejecting matter?
A. Foot Flight
B. Jet Propulsion
C. Swimming
D. Rocket Propulsion
E. Wing Flight
2: What type of locomotion is propelled by the use of rocket propulsion?
A. Sail
B. Electricity
C. Thrust
D. Ram
E. Steam
3: What type of propulsion uses propellant?
A. Chemical Rocket Propulsion
B. Electrical Rocket Propulsion
C. Solid Rocket Propellant
D. Solar Electric Propulsion
E. Thermal Rocket Propulsion
4: What is used to measure the pressure in the combustion chamber of an operating rocket propulsion system?
A. Rocket Propulsion System Design Gross Weight
B. Static Pressure
C. Chamber Pressure
D. Exhaust Gas Temperature
5: What is the stored matter that is energized and ejected?
A. Combustion products
B. Propellant
C. Fuel
D. Armament
6: What can be a Solid Propellant?
A. Its combustion chamber
B. Its nozzle
C. Liquid propellant
D. Solid fuel
E. Its grain
7: What is the name of the process that takes place in a furnace?
A. Condensation Process
B. Boiling Process
C. Thermal Process
D. Combustion Process
E. Oxidation Process
8: In what order did the various processes occur during the combustion process?
A. Low chamber pressure and low temperature
B. High chamber pressure and high temperature
9: What does the "high chamber pressure" in the combustion process refer to?
A. High velocity
B. High pressure
C. High temperature
D. Low temperature
10: Where are exhaust gases accelerated and ejected?
A. A Tunnel
B. Inside a Rocket Engine
C. A Supersonic Nozzle
D. Outside a Rocket Engine
E. A Jet engine
11: What can be defined as the thrust of an equivalent rocket propulsion system?
A. Expendable propellant
B. Velocity
C. Impulse
D. Height
12: What type of propellant combination consists of a liquid fuel and a liquid oxidizer?
A. Bipropellants
B. Monopropellants
C. Hybrid propellants
13: What type of propellant requires energy to initiate combustion?
A. Gas
B. Liquid
C. Solid
14: What is the temperature of a Cryogenic propellants when it is a gas?
A. Ambient temperatures
B. 373 degrees Kelvin
C. -182 degrees Celsius
D. -196 degrees Celsius
E. -460 degrees Celsius
15: What is the ratio of the liquid oxidizer flow rate divided by the liquid fuel flow rate?
A. Mixture Ratio
B. Burn Rate
C. Oxygen Flow Rate
D. Oxidizer to Fuel Ratio
16: What does a Rocket Engine use?
A. Liquid propellants
B. Solid propellants
C. Gasoline
17: What does a Rocket Motor use?
A. Liquid propellants
B. Solid propellants
C. Gasoline
18: What are the most popular type of Rocket Propulsion System?
A. Jet Propulsion System
B. Rocket Fuel,Rocket Motor
C. Rocket Motor,Rocket
D. Rocket Engine,Rocket Motor
E. Satellite Propulsion System
19: What does a Rocket Engine usually contain?
A. Solid Rocket Motors
B. Thrust Chambers
C. Fuel Cells
D. Nozzles
E. Fuel Tanks
20: What is used to store the propellants in Rocket Engine?
A. Tanks
B. Cans
C. Tubes
D. Canisters
E. Pipes
21: What does the feed mechanism do?
A. Regulate the temperature of the liquid propellant
B. Extract air from the thrust chamber
C. Pump the liquids through the engine
D. Force the liquids into the thrust chamber
22: What does the Power Source do?
A. Regulate the temperature of the liquid propellant
B. Extract air from the thrust chamber
C. Pump the liquids through the engine
D. Provide energy to the feed mechanism
23: What is used to move the liquids in the rocket engine?
A. Solid Propellant Rocket Engines
B. Gears
C. Jets
D. Piping and Valves
E. Pistons
24: What is the Thrust Chamber also called?
A. Thruster
B. Chamber
C. Engine
25: What part of the engine is used to meter the propellants?
A. Turbine
B. Injector
C. Combustor
D. Exhaust
E. Compressor
26: What type of nozzle thruster has?
A. Rotating
B. Converging-diverging
C. Fixed-angle
D. Fixed-position
27: What is the Feed Mechanism considered to be?
A. A Hybrid System
B. A Filter System
C. A Pressurized System
D. A System that Uses a Combination of Techniques
28: What is the name of the process that removes liquid from the tanks when a rocket is pressurized?
A. Liquid Fuel System
B. Liquid Oxygen System
C. Liquid Hydrogen System
D. Vacuum System
E. Pressurized System
29: What type of system has propellants feed to the engine?
A. Rocket Motor
B. Jet engine
C. Reaction Engine
D. Turbopump System
E. Rocket
30: What does the Gas Generator generate when it is turned on?
A. Cold gases
B. Hot gases
C. Electricity
D. Gasoline
31: What type of propellants does a Rocket Motor use?
A. Liquid
B. Gases
C. Propellants with Combustion
D. Gas
E. Solid
32: What is used to prevent the case from becoming too hot?
A. A fan
B. A heater
C. A vent
D. Insulation
33: What is the oxidizer in solid rocket propellant?
A. Ammonium sulfate
B. Aluminum powder
C. Ammonium nitrate
D. Ammonium perchlorate
E. Nitrogen tetroxide
34: What is the Burning Rate of a rocket?
A. Miles per hour
B. Kilometers per second
C. Inches per second
35: What are layers of non-burning materials glued to expose grain surfaces to stop them from burning?
A. Fuel
B. Inhibitors
C. Cap
D. Covers
E. Air
36: What does the burning rate vary with?
A. Chamber pressure and the initial ambient temperature of the grain
B. Grain size and the type of fuel
C. Grain size and the amount of carbon in the feedstock
D. Grain temperature and the air-fuel ratio
E. The type of burner used
37: What does the Grain have?
A. It is the byproduct of milling flour and other grains
B. A kernel, a seed, or an element of bread dough
C. Perforations, Slots, Grooves, holes, or Port Areas
D. A cereal grain, a fruit, or a vegetable
38: What material promotes grain adhesion?
A. The Adhesive
B. The Envelope
C. The Liquid
D. The Binder
39: What kind of material does the internal insulator have to be?
A. Low thermal conductivity
B. Low heat capacity
C. Low electrical resistance
D. High thermal conductivity
40: What protects the case from reaching a high temperature?
A. Metal Sheets
B. External Insulators
C. Heatsink
D. Internal Insulators
41: What are applied to the outside of liquid propellant tanks or solid propellant motor cases to protect against excessive heat transfer from?
A. Radiators
B. External Thermal Protection
C. External Insulators
D. External Heat Sinks
E. Liquid Crystal Displays
42: What is the Safe and Arm Mechanism usually a?
A. Part of a firearm
B. A firearm
C. Complex electromechanical device
D. Powered armor
E. Custom built gun
43: In the arm condition, what can be activated?
A. Pulser
B. Stimulator
C. Igniter
D. Mechanism
44: In what condition does the fuse prevent stray electrical currents from reaching the igniter?
A. Safe
B. Ignited
C. Inoperable
D. Armed
45: What is the purpose of Thrust Vector Control?
A. Controlling the speed and altitude of the aircraft
B. Deflection of the thrust direction
C. Control of the exhaust speed
D. Control of the engine inlet temperature
46: What type of change can be controlled through thrusters?
A. Orbit
B. Flight Velocity
C. Direction
D. Node Location
E. Speed
47: A decrease in chamber pressure and thrust due to the Erosion of the nozzle results in what?
A. A small increase in nozzle cross-sectional area
B. A decrease in thrust
C. A large increase in nozzle cross-sectional area
D. A decrease in chamber pressure and thrust
48: What device creates thrust by expelling stored mass
A. Fan
B. Jet engine
C. Rocket
D. Helicopter
49: What device reacts to external mass?
A. Rocket
B. Raygun
C. Jet
D. Machine gun
50: What does an afterburner do to an engine?
A. Doubles the power
B. Reduces the fuel consumption
C. Increases the power
D. Causes the engine to overheat
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Rocket Propulsion MCQs
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