At which pressure and temperature conditions may you safely assume that the minimum usable flight level at least lies at the same height, as the minimum safe altitude?

Question

Question ATPL - Airline Transport Pilot license - Meteorology

QuizVDS · Accepted Answer

At a temperature greater than or equal to that of the ISA and where the QNH is greater than or equal to 1013.25 hPa

QuizVDS · Answer

At a temperature less than or equal to that of the ISA and where the QNH is less than 1013.25 hPa

QuizVDS · Answer

In a cold low pressure region

QuizVDS · Answer

In a very cold area with a QNH of 1015 hPa

Id 446 - ATPL - At which pressure and temperature conditions may you safely assume that the minimum usable flight level at least lies at the same height, as the minimum safe altitude?