Outer Barrel Assembly Testing Quiz

What is the purpose of using aluminum mass simulators in the OBA static loads test?

• To mimic other parts of the spacecraft

• To test the durability of the struts

• To increase the weight of the structure

• To enhance the rotation speed

During the final test of the strut portion of the OBA, what G-force was applied?

• 4 G

• 3 G

• 2 G

• 1 G

What happens to the strain sensors and lower mass simulators during the removal from the centrifuge?

• They are reinforced

• They are recalibrated

• They are removed

• They are replaced

In the cleanroom, what is added to the OBA’s other half during shell section preparation?

• Protective wrap and mass simulators

• Extra weight

• Additional struts

• New sensors

How is the shell section moved to the centrifuge facility?

• By crane

• By hand on wheels

• By conveyor belt

• By automated vehicle

What is prepared and attached during the shell section lift preparation?

• An additional support beam

• A load-distribution frame

• A new set of sensors

• A protective cover

What is the significance of the complete OBA assembly?

• It allows for a new set of tests

• It marks the end of testing

• It increases the weight of the structure

• It is the first time the two halves are reconnected since testing

How many sensors are connected to the shell section during its attachment to the centrifuge test platform?

• 94

• 100

• 75

• 50

What is the spin rate during the first test of the shell section?

• 10 rpm

• 13.7 rpm

• 15 rpm

• 20 rpm

What is the weight of the centrifuge that is smooth and balanced enough to push by hand?

• 500,000 pounds

• 600,000 pounds

• 700,000 pounds

• 800,000 pounds