D33 - Advanced materials manufacturing in the aerospace industry
Q.1
Mr. Rudy discusses a stop sign flapping back and forth in the breeze to illustrate _______.
kinetic energy storage
the aeroelastic phenomenon
the Doppler effect
Newton’s 3rd law
Q.2
The high speed train in Japan that Dr. Rashidi spoke about overcame its “booming sound” problem by _____.
slowing down as it enters tunnels
changing it’s nose shape to match that of a kingfisher bird’s beak
adding outward-blowing fans into the tunnels to filter out the rush of air creating the sound
adding speakers to the tunnels that played audio of the opposite frequency of the “boom sound”
Q.3
When Mr. Rudy discusses the F-119 engine installed on an F-22 fighter jet, he mentioned it has a unique capability to _______.
burn fuel slower than any other jet engine
allow the jet to fly vertically straight up
recycle it’s discharged air for cockpit ventilation
be disconnected from the jet at the end of the day
Q.4
According to Mr. Rudy, what is the approximate temperature of the air exhausted out of a typical turbine jet engine?
200 degrees Fahrenheit
500 degrees Fahrenheit
1500 degrees Fahrenheit
6000 degrees Fahrenheit
Q.5
Which of the following is NOT true about the Boeing 787 composite airplane?
It can fly for 28 consecutive hours without needing to land
It’s completely electric
It cost 4 billion dollars to build
It’s the fastest airplane ever licensed for non-military travel