kVa and kW are power factors. kVa is a unit of apparent power, which comprises of real and re-active powers, whereas kW is a unit of only real power.

The difference between LPG and CNG is what they are composed or consist of. CNG majorly consists of methane gas, whereas LPG has butane, propane and a variety of other chemicals.

Machines consume energy produced by the engines.

Mechanically, equipments are required to design the machines. A machine is a tool, which is used to operate any task, whereas equipment is a set of tools necessary for a particular purpose.

Mechanical Engineering is a branch of engineering involving the design, construction and operation of machinery. On the other hand, Automotive Engineering specifically deals with the construction and design of...