When the ratio of the Grashoff number and to the square of Reynolds number is one, the dominant mechanism of heat transfer is ________?

Foot valves are provided in the suction line of a centrifugal pump to ________?

In a thin cylindrical shell, the hoop stress is ________ stress?

Disc compensators are provided in large diameter fuel gas carrying pipelines to________?

‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)?

According to the kinetic theory, the thermal conductivity of a monatomic gas is proportional to________?