Simulators would be the main tool if airlines trained their pilots for such events, because simulation is the only method for giving pilots experience in high-risk procedures, but their accuracy for extreme situations like this one is uncertain, engineers said, since there is not much data on how airplanes behave in water.
On the contrary, the two EC2 simplified methods can provide very different results, leaving the engineer uncertain about which method he should use.
In automotive applications, cylinder pressure variability is one of the uncertain parameters that engineers have to deal with when designing and analyzing internal combustion engines.
As The Economist went to press, its prospects were uncertain, and NASA engineers were devising plans to try to get the failed reaction wheels working again.
Choice of factors ranges and levels In studying uncertain parameters, the reservoir engineer has to specify the range over which each factor varies.
If you have unnecessary columns, pillars or walls in your basement, consider tearing them out(Consult a structural engineer if uncertain of load-bearing).
Even today engineers are uncertain why the bridge designer, Leon Moisseiff, placed the trains on the sides of the bridge and not in the center, where there are three lanes of traffic.
Having identified uncertain transition sites, road engineers should help drivers to select the right speed.
For quantifying engineered convection, five uncertain reservoir attributes were selected.
In order to shorten the cycle time from product design to mass production, engineers must often make decisions under uncertain conditions with limited information.
