Apollo Tyres Electrical Engineer Interview Questions and Answers

I have experience with specific energy, transformer protections, motor types and starters, and have worked on various projects.

• In my previous company, I worked on optimizing specific energy consumption in electrical systems.

• I am familiar with various transformer protections such as overcurrent, overvoltage, and differential protection.

• I have worked with different types of motors including AC, DC, and stepper motors, an...read more

Breakers are electrical switches that protect circuits from overloading and short circuits.

• Breakers are classified into different types based on their voltage rating, current rating, and interrupting capacity.

• Thermal breakers use a bimetallic strip to trip the breaker when the current exceeds the rating.

• Magnetic breakers use an electromagnet to trip the breaker when the current exceeds the rating.

• Ground fault circuit i...read more

SCADA can be configured by setting up communication protocols, defining data points, creating graphical interfaces, and configuring alarms.

• Set up communication protocols such as Modbus, DNP3, or OPC to communicate with field devices

• Define data points by specifying the tags for each device or sensor being monitored

• Create graphical interfaces by designing screens that display real-time data in a user-friendly format

• Confi...read more

I/O modules can be configured by setting up the input and output signals, assigning addresses, and configuring communication protocols.

• Identify the type of I/O module being used (analog, digital, etc.)

• Assign addresses to the input and output signals for communication

• Configure the communication protocols such as Modbus, Profibus, etc.

• Set up the parameters for data transmission and reception

• Test the configured I/O module

Assigning an IP address involves configuring the network settings of a device to enable communication with other devices on the same network.

• Access the network settings of the device

• Choose a suitable IP address based on the network's subnet

• Assign the IP address along with subnet mask and default gateway

• Ensure no IP address conflicts with other devices on the network

• Save the settings and test the connection

A motor is an electrical device that converts electrical energy into mechanical energy. There are various types of motors.

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

• The most common types of motors are DC motors, AC motors, and stepper motors.

• DC motors are used in applications that require variable speed control, such as electric vehicles and robotics.

• AC m...read more

A generator is a device that converts mechanical energy into electrical energy.

• Generators work on the principle of electromagnetic induction.

• A conductor is rotated in a magnetic field, which induces an electrical current in the conductor.

• The mechanical energy required to rotate the conductor can come from various sources such as steam turbines, water turbines, or internal combustion engines.

• Generators are used in power...read more