When mesuring the flow of liquid what are the two things to measure?

Reliance,

If any machinery or trnsmission needs periodic and regular lubrication what is the best method to give?

Essar,

What is torque converter?

What are the different type of mechanism to engage primary moving engine and transmission [ In other word how many different type of clutches are there

Ford,

In order to ensure constant pressure and constant flow rate of compressed air what should we put between the compressure and end user?

What can be reasons for a metal gas-kit to leak?

Maruti Suzuki,

The old welding machine use electro- -magnetic winding to step up the current for welding rods,what is new principle inside the welding