Challenger Disaster Quiz

What was the primary issue with the O-rings during the STS 51C launch?

• They melted due to high temperatures.

• They failed to rebound quickly in cold temperatures.

• They were made of the wrong material.

• They were too large for the joints.

What was the temperature at which the STS 51C launch experienced severe O-ring distress?

• 67 degrees

• 28 degrees

• 40 degrees

• 53 degrees

Who led the group of engineers concerned about the O-ring issues?

• Larry Malloy

• Roger Boal

• Alan McDonald

• George Hardy

What was the reaction of NASA's Larry Malloy to Thia Call's recommendation to delay the launch?

• He proposed a new launch date.

• He suggested further testing.

• He was appalled by the recommendation.

• He agreed with the engineers.

What was the main reason Thia Call's management decided to proceed with the launch despite engineering concerns?

• They had resolved all technical issues.

• They believed the data was conclusive.

• They were under pressure to maintain NASA's schedule.

• They received new information from NASA.

What did Jerry Mason ask Bob Lund to do during the offline caucus?

• Provide more data to NASA.

• Delay the launch until further notice.

• Take off his engineer hat and put on his management hat.

• Support the engineers' recommendation.

What unexpected event temporarily saved the Challenger from immediate explosion?

• An automatic safety mechanism.

• A sudden change in weather conditions.

• A temporary seal formed by molten aluminum oxide.

• A last-minute repair by engineers.

What did the tracking camera capture at T+72 seconds during the Challenger launch?

• A successful launch sequence.

• A plume of flame from the SRB's field joint.

• A sudden change in trajectory.

• An emergency landing procedure.

What was one of the key findings of the presidential commission regarding the Challenger disaster?

• The disaster was solely due to engineering design errors.

• The O-rings were made of substandard material.

• NASA's organizational culture contributed to the failure.

• The launch should have been delayed due to weather.

What was one of the reforms implemented by NASA after the Challenger disaster?

• A reduction in the number of shuttle missions.

• A change in the launch site.

• A redesign of the SRB with triple O-ring joints.

• A new type of fuel for the shuttles.