ATPL met question
Hi all, im on my last set of ground school exams and having problems with the following questions:-
The QNH at an airfield located 200 metres above sea level is 1009 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QFF?
A) More than 1009
B) Less than 1009
C) 1009
D) It is not possible to give a definitive answer
The QNH at an airfield located 200 metres above sea level is 1022 hPa. The air temperature is not available. What is the QFF?
A )It is not possible to give a definitive answer
B) More than 1022 hPa
C) Less than 1022 hPa
D) 1022 hPa
The QNH at an airfield in California located 69 meters below sea level is 1018 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QFF?
A) 1018 hPa
B) Less than 1018 hPa C) More than 1018 hPa
D) It is not possible to give a definitive answer
The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QNH?
A) It is not possible to give a definitive answer
B) Less than 1016 hPa
C) More than 1016 hPa
D) 1016 hPa
If someone could please shed some light on theses questions it would be much appreciated as I cant seem to get my head around them!