Which type of level gauge works on the principle of magnetic coupling?
A. Sight glass level gauge
B. Float level gauge
C. Magnetic level gauge
D. Ultrasonic level gauge
Answer:C
Which type of level gauge works on the principle of magnetic coupling?
A. Sight glass level gauge B. Float level gauge C. Magnetic level gauge D. Ultrasonic level gauge
Explanation: Magnetic level gauges work on the principle of magnetic coupling. They use a float with a magnet attached to it to transmit the liquid level to a magnetic indicator located outside the tank.