I have been study for Performans and one question make me very nervious because there is two answer I have to make a sure which one is the correct. this question coming from new EASA data base ECQB4.
(For this question use annex ECQB-032-023-v2015-04 or CAP 698 Figure 2.3). Given the following information, what is the Rate of Climb? Pressure Altitude: 10000 ft ISA conditions Aircraft Mass: 3400 lb Full Throttle, 2700 RPM”
A-) 640 ft/min
B-) 500 ft/min
C-) 720 ft/min
D-) 1180 ft/min
I founded 640 ft/min however the question bank show me the corect answer is 720 ft/min. does anyone explain this question.