In a throttling process A) Heat transfer takes place B) Work is done by the expanding steam C) Internal energy of steam changes D) None of the above Related MCQs: Throttling (Joule-Thomson effect) process is a constant ——– process On Mollier chart free expansion, or throttling process from high pressure to atmosphere is represented by Isentropic process means a constant ————– process The logical process of driving a conclusion about a specific existence based on a known general permissive in something known to be true is considered.