ARO Equipments Senior Sales and Service Engineer Interview Questions and Answers

A motor is a device that converts electrical energy into mechanical energy to produce motion.

• Motors work on the principle of electromagnetic induction

• They consist of a rotor and a stator

• Common types include DC motors, AC motors, and stepper motors

• Motors are used in various applications such as industrial machinery, household appliances, and vehicles

The pick current of a motor refers to the maximum current that the motor can draw under normal operating conditions.

• Pick current is important for determining the appropriate size of protective devices such as fuses and circuit breakers.

• It is also crucial for selecting the right motor starter and ensuring the motor operates safely.

• For example, a motor with a pick current of 10A would require a fuse or circuit breaker ra...read more

AC DC transformer motor automation is a process of controlling and regulating the operation of a motor using an AC DC transformer.

• AC DC transformer motor automation involves converting AC power to DC power using a transformer.

• The DC power is then used to control and regulate the operation of a motor.

• This automation process allows for efficient and precise control of motor speed, torque, and direction.

• Examples of AC DC ...read more

The length of the bead in a welding electrode is typically determined by the diameter of the electrode and the welding parameters.

• The length of the bead is influenced by the diameter of the welding electrode used.

• Welding parameters such as current, voltage, and travel speed also play a role in determining the length of the bead.

• A larger diameter electrode typically produces a wider and longer bead, while a smaller diam...read more