← Questions|Português
Instrumentationeasy#411

The Machmeter measures the ratio of:

A

Groundspeed to TAS

B

CAS to TAS

C

TAS to the local speed of sound

Correct
D

Dynamic pressure to total pressure

Explanation

Mach number = TAS / local speed of sound. The Machmeter computes this from pitot and static pressure.

Ready for a timed quiz?

Test yourself with random questions from Instrumentation and all other ATPL subjects.

Start a Practice Quiz