Lets prepare for the OLYMPIAD

Lets prepare for the OLYMPIAD. GK (GENERAL KNOWLEDGE).

MEASURING DEVICES.

[Audio] AMMETER Used to measure electric current in a circuit.

nn m nn nn n- nn nn nn. ALTIMETE CALIBRATEL ? 1015 TO 20.OOOFT /// II \\ \\.

[Audio] ALTIMETER Used to measure altitude, the distance of a point above sea level. It is used to known the distance of airplane above Earth's surface..

[Audio] ANEMOMETER Used to measure wind speed and wind pressure.

[Audio] HYGROMETER Used to measure the level of humidity present in the air.

THANKS!.