Artificially produced radioactive isotopes are used for________?

Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines?

Heat of neutralisation of HCl and NaOH is – 57.46 kJ/Kg mole. The heat of ionisation of water will be ________ kJ/Kg mole?

In a homogeneous nuclear reactor, the ________ are mixed together?

Filtration rate is affected by the________?

The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is________?