Which of the following exemplifies a three dimensional fluid flow?

‘Light water’ used as a coolant in nuclear reactor is nothing but________?

For a given design of bubble cap, the number of bubble caps to be used per tray is set by the ________?

For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases ________ times?

Coke having higher porosity has ________?

A bio-catalyst produced by living cells which acts independent of the cell is called a/an________?