10+ Spar Geo Infra Interview Questions and Answers

The purpose of producing Ola electric scooters is to provide a sustainable and eco-friendly mode of transportation.

• To reduce carbon emissions and promote clean energy

• To offer an affordable and convenient alternative to traditional petrol-powered scooters

• To contribute towards reducing air pollution and improving air quality

• To support the transition towards electric mobility and reduce dependence on fossil fuels

• To cater to the growing demand for electric vehicles in the market

Power rating of electronic components is calculated based on voltage, current, and thermal considerations for safe operation.

• Power (P) is calculated using the formula P = V × I, where V is voltage and I is current.

• For resistive components, use P = I² × R or P = V² / R to find power dissipation.

• Consider thermal management; components must operate below their maximum junction temperature.

• Example: A resistor rated at 1W can safely dissipate 1 watt of power without overheating.

• Us...read more

Interfacing CAN, I2C, and SPI protocols involves understanding their unique characteristics and wiring methods for communication.

• CAN (Controller Area Network) is used for robust communication in vehicles; it requires a CAN transceiver.

• I2C (Inter-Integrated Circuit) uses two wires (SDA, SCL) for communication; devices are addressed by unique addresses.

• SPI (Serial Peripheral Interface) uses four wires (MOSI, MISO, SCK, CS) for full-duplex communication; it allows multiple slave...read more

Interface to other equipment like PLC involves establishing communication protocols and data exchange between the robot and PLC.

• Establish communication protocols such as Modbus, Ethernet/IP, Profinet, etc.

• Exchange data between robot and PLC for seamless integration and operation.

• Ensure compatibility and synchronization between robot and PLC systems.

• Implement error handling mechanisms for communication failures.

• Test and validate communication between robot and PLC to ensure re...read more

Signal Integrity (SI) and Power Integrity (PI) ensure reliable electronic performance by managing signal quality and power distribution.

• SI focuses on maintaining signal quality by minimizing reflections and crosstalk, e.g., using controlled impedance traces.

• PI ensures stable power delivery to components, preventing voltage drops and noise, e.g., using decoupling capacitors.

• Both SI and PI are critical in high-speed digital designs to avoid data corruption and ensure system rel...read more