The resistance wire used in a hot wire anemometer for conducting electrical current is made of________?

An elastic behaviour of materials is expressed in terms of________?

Pick out the wrong statement?

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will________?

The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by________?

A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the power consumed now will be ________ hp?