A weather balloon is launched and rises until it is neutrally buoyant in the atmosphere and moves downwind with the air flow. Is measurement with a weather balloon a Lagrangian or Eulerian approach

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

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer

What is a monomer? how do they form a ploymer from the view point of chemical bonding?