Question

Write the odd one from the following. Hydrolic jack, Hydrolic press, excavator, hydrometer

Answer 1

excavator is the odd one.

Answer 2

A hydrometer is the odd one among the following.

• A hydraulic jack, hydraulic press, and excavators are all examples of hydraulic systems.
• Hydraulic systems are systems that require some kind of pressurized fluid to function.
• The hydrometer is a device used to measure a liquid's relative density.
• It works using the concept of buoyancy and is based on Archimede's principle.
• It is similar to a thermometer but does not have any liquid within it for taking measurements.
• They are widely used by marine biologists and in aquaculture to keep a check on saltwater density.