Rose oil is extracted from rose leaves using ________ distillation?

The longitudinal stress induced in a thin walled cylindrical vessel under internal pressure is________?

In a moderately sized packed absorption tower, channelling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter?

Pick out the wrong statement?

The fluid property which matters for falling rain drops to acquire spherical shape is its________?

Light oil whose major component is Benzol, is obtained by the distillation of crude tar in the temperature range of ________ °C?