Question

Hydraulic disc brakes ,hydraulic pressure ,Android barometer , hydraulic car Jack

Which one is odd giving reason

Answer 1

dear student

aneriod barometer is the odd one
because aneroid barometer is pressure calculating device and it does not have any fluid in it but,
hydraulic disc brake and car jack device used with help fluid to transmitt pressure and hydraulic pressure is the pressure exerted by fluid on some surfaces. so aneroid barometer is used to measure the pressure that does not invole liquid

hope this helps you.