1. The high pressure fuel turbopump is coated with _____ to reduce heat transfer.
Nickel Lead Titanium Cadmium
2. What substance is used as fuel in the External Tank?
Liquid Copper Liquid Hydrogen Liquid Oxygen Liquid Nitrogen
3. The Solid Rocket Booster propellant channel configuration is in the shape of a ____.
Circle Hexagon Rectangle Star
4. The Redundant Set Launch Sequencer (RSLS) software running in the shuttle's onboard General Purpose Computers assumes control of the launch countdown sequence at what time?
T-3 Minutes T-6 Hours T-9 Minutes T-31 Seconds
5. The pathway for engineers, technicians, and astronauts to enter the Space Shuttle while on the launch pad is the_____.
Swing Arm Access Platform Gaseous Oxygen Vent Arm Retractable Crew Module Arm Orbiter Access Arm
6. The Rotating Service Structure (RSS) can rotate 1/3 of a circle, or ___ degrees.
120 90 180 360
7. The system that ensures the O-Ring joints on the Solid Rocket Boosters stay warm is the:
Thermal Protection System Seal-Safe System Joint Heater System O-Ring Thermal Circulation System
8. If the Safe and Arm Device cannot be armed, the booster cannot ignite.
True False
9. The system responsible for computer control and monitoring of shuttle functions such as guidance and navigation is the _____.
Ground Launch Sequencer Data Processing System Launch Processing System Ground Support Equipment
10. How many General Purpose Computers (GPC's) are used to run the software to operate the shuttle?
3 2 5 1
11. The launch countdown procedure is about ____ pages long.
5000 2500 500 250
12. The timeline that defines all activities performed by the crew, flight controllers, payload operations, and vehicle operation is known as the _____.
Flight Support Facility Integrated Planning System Flight Plan Integrated Training Facility
13. Each launch uses about 850,000 gallons of liquid hydrogen.
14. A vacuum jacketed pipe prevents the liquid hydrogen from warming up to a gas as it is loaded into the External Tank.
15. The period in seconds for which 0.45 kilograms of propellant will produce a thrust of 0.45 kilograms of force is called _____.
Principle of ejection Specific impulse Propellant density Compression factor
16. The average thrust produced by each Solid Rocket Booster at launch is _____.
3.3 million pounds 7.0 million pounds 2.65 million pounds 5.3 million pounds
17. One disadvantage of a solid fuel rocket motor is that once ignited, the motor cannot be stopped or restarted.
18. Math and science are the only skills necessary to become a successful engineer.
19. The water released into the flame trench during launch
prevents sound shock waves from damaging the orbiter. prevents flames from affecting the surrounding environment. dilutes any fuel that leaks. cools the metal structure of the launch pad.
20. The area at the end of the Orbiter Access Arm is called the
staging area. crew marshalling area. the ready room. the white room.
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