284) In S. I. units, the value of the universal gas constant is

285) The throttling process is __________ process.

286) A cycle consisting of two constant pressure and two isothermal processes is known as Ericsson cycle.

287) A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as

288) If in the equation pvⁿ = C, the value of n = 1, then the process is called isothermal process.