Which statement is true ?

Question

Question ATPL - Airline Transport Pilot license - Meteorology

QuizVDS · Accepted Answer

QNH can be lower as well as higher than 1013.25 hPa

QuizVDS · Answer

QNH can not be 1013.25 hPa

QuizVDS · Answer

QNH can be 1013.25 hPa only for a station at MSL

QuizVDS · Answer

QNH is lower than 1013.25 hPa at any time

Id 58 - ATPL - Which statement is true ?