Tech a says that all wheels must be torqued to prevent wheels from loosening up and falling off. Tech be says that all wheels must be torqued to prevent over tightening which can we can lug studs and more brake rotors. Who is correct

An electric kettle is made out of stainless steel, weighs two pounds (when empty) and is equipped with a heating element that consumes 2 kw of electricity. assuming that the water and the kettle are at the same uniform temperature at any moment of time, calculate the shortest possible time to bring 2 quarts of water from room temperature to the onset of boiling