Mahanagar Gas Operation & Maintenance Engineer Interview Questions and Answers

Transformers work on the principle of electromagnetic induction.

• Transformers consist of two coils of wire wrapped around a magnetic core.

• When an alternating current flows through the primary coil, it creates a magnetic field that induces a voltage in the secondary coil.

• The voltage in the secondary coil is proportional to the number of turns in the coil and the rate of change of the magnetic field.

• Transformers are used ...read more

There are several types of clutches used in various applications.

• Friction clutch: Most common type, uses friction to transmit power.

• Electromagnetic clutch: Uses electromagnetic force to engage and disengage.

• Hydraulic clutch: Uses hydraulic fluid to transmit power.

• Centrifugal clutch: Engages at high speeds based on centrifugal force.

• Dog clutch: Uses teeth or dogs to engage and disengage.

• Cone clutch: Uses conical surface...read more