Nuvoco Vistas Mechanical Maintenance Engineer Interview Questions and Answers for Experienced

There are various types of motors used in electrical engineering, including AC motors, DC motors, stepper motors, and servo motors.

• AC motors: Alternating current motors that are commonly used in household appliances and industrial machinery.

• DC motors: Direct current motors that are often used in battery-powered devices and electric vehicles.

• Stepper motors: Motors that move in discrete steps and are commonly used in rob...read more

The two types of motors generally used in plants are AC motors and DC motors.

• AC motors are commonly used for high-power applications and are more efficient.

• DC motors are often used for low-power applications and provide better speed control.

• Examples of AC motors include induction motors and synchronous motors.

• Examples of DC motors include brushed DC motors and brushless DC motors.

In my previous job, I was responsible for electrical maintenance of motor transformers and other machines.

• Performed regular maintenance and troubleshooting of motor transformers.

• Inspected and repaired electrical components and circuits.

• Conducted preventive maintenance to ensure optimal performance and minimize downtime.

• Collaborated with a team to diagnose and resolve electrical issues.

• Maintained accurate records of mai...read more

Concrete mix design involves determining the proportions of ingredients to create a specific concrete mixture.

• The mix design process considers factors such as strength, workability, and durability.

• Ingredients typically include cement, water, aggregates, and admixtures.

• The proportions of each ingredient are determined based on the desired properties of the concrete and the specific application.

• For example, a mix designe...read more