PLEASE HELP What event in 1921 convinced the Navy to build aircraft carriers?

A Brig Gen Billy Mitchell’s speeches
B A presidential executive order
C An attack at Pearl Harbor
D The sinking of the German battleship Ostfriesland

Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.