10+ CBRE Interview Questions and Answers

A multimeter is used for troubleshooting and diagnosing electrical issues in electric scooters.

• Measuring voltage: A multimeter can be used to measure the voltage of the battery or other electrical components in an electric scooter.

• Checking continuity: It can help determine if there is a break in the circuit by checking the continuity of wires and connections.

• Testing resistance: Multimeters can measure the resistance of various components, such as motors or switches, to identi...read more

The battery charger voltage is the electrical potential difference required to charge a battery.

• Battery charger voltage refers to the amount of electrical potential difference needed to charge a battery.

• It is usually specified by the manufacturer and varies depending on the type and capacity of the battery.

• For example, a typical smartphone battery charger may have a voltage of 5 volts, while a car battery charger may have a voltage of 12 volts.

The ground clearance of Ola scooter is 165 mm.

• The ground clearance refers to the distance between the lowest point of the scooter and the ground.

• A higher ground clearance is beneficial for navigating uneven terrains and speed breakers without scraping the underbody.

• The Ola scooter has a ground clearance of 165 mm, which is considered to be good for urban commuting.

• This ground clearance ensures that the scooter can handle most road conditions without any issues.

IPM stands for Interior Permanent Magnet motor.

• IPM motor refers to Interior Permanent Magnet motor.

• It is a type of electric motor where the magnets are placed on the rotor.

• The magnets are made of rare-earth materials like neodymium or samarium-cobalt.

• IPM motors are known for their high efficiency and power density.

• They are commonly used in hybrid and electric vehicles, as well as industrial applications.

To check software diagnostic, perform thorough testing, analyze error logs, use debugging tools, and consult documentation.

• Perform thorough testing to identify any software issues or bugs.

• Analyze error logs to understand the root cause of any errors or crashes.

• Use debugging tools like breakpoints, step-through debugging, or memory analyzers to pinpoint issues.

• Consult documentation or user manuals for troubleshooting steps or known issues.

• Collaborate with developers or softwar...read more

MCU stands for Microcontroller Unit.

• MCU is a small computer on a single integrated circuit.

• It contains a processor core, memory, and programmable input/output peripherals.

• Examples of MCUs include Arduino boards, Raspberry Pi, and PIC microcontrollers.

The battery voltage refers to the electrical potential difference between the positive and negative terminals of a battery.

• Battery voltage is measured in volts (V).

• It indicates the amount of electrical potential energy stored in the battery.

• Different types of batteries have different voltage ratings.

• For example, a standard AA alkaline battery typically has a voltage of 1.5V.

• Battery voltage is important for determining the compatibility and performance of electrical devices.

To check software, perform functional and non-functional testing, including unit testing, integration testing, system testing, and acceptance testing.

• Perform unit testing to verify the individual components of the software

• Conduct integration testing to ensure the software modules work together

• Perform system testing to evaluate the software's behavior in different environments

• Conduct acceptance testing to ensure the software meets the requirements and user expectations

• Perform ...read more

A hub motor is an electric motor that is integrated into the hub of a wheel, providing direct drive power to the wheel.

• Hub motors are commonly used in electric bicycles and scooters.

• They eliminate the need for a separate transmission system.

• Hub motors offer advantages such as improved efficiency, regenerative braking, and compact design.

• They can be either brushless or brushed motors.

• Examples of hub motor manufacturers include Bafang, Bosch, and Go SwissDrive.

IPM motor stands for Interior Permanent Magnet motor, which is a type of electric motor commonly used in various applications.

• IPM motor is a type of electric motor that uses permanent magnets embedded in the rotor.

• It offers high power density, efficiency, and torque compared to other motor types.

• The magnets in the rotor are positioned in a way that creates a magnetic field, which interacts with the stator windings to generate rotational motion.

• IPM motors are commonly used in ...read more

Battery voltage can be checked using a multimeter or a voltmeter.

• Use a multimeter or voltmeter to measure the voltage across the battery terminals

• Set the multimeter or voltmeter to the DC voltage setting

• Connect the positive (red) probe to the positive terminal of the battery and the negative (black) probe to the negative terminal

• Read the voltage displayed on the multimeter or voltmeter

• A fully charged battery typically has a voltage of around 12.6 volts

• Lower voltage readings i...read more

Major parts in EV include battery, electric motor, power electronics, and charging system.

• Battery: stores energy to power the vehicle

• Electric motor: converts electrical energy into mechanical energy to propel the vehicle

• Power electronics: controls the flow of electrical energy between the battery and motor

• Charging system: recharges the battery when needed

• Examples: Tesla Model S has a 100 kWh battery, Nissan Leaf has a 40 kWh battery, BMW i3 has an electric motor with 170 hors...read more

MUC stands for Multi-User Chat, a feature in instant messaging systems that allows multiple users to participate in a group chat.

• MUC enables real-time communication between multiple users in a chat room.

• It is commonly used in applications like Slack, Microsoft Teams, and WhatsApp groups.

• MUC allows users to send messages, share files, and collaborate in a group setting.

• It provides features like presence information, message history, and moderation controls.

• MUC can be implement...read more

The VCU stands for Vehicle Control Unit.

• The VCU is an electronic control unit that manages various functions in a vehicle.

• It is responsible for controlling and coordinating the operation of different systems, such as the engine, transmission, brakes, and suspension.

• The VCU receives input from various sensors and uses that information to make decisions and send commands to the relevant components.

• For example, the VCU may receive input from the throttle position sensor and base...read more

BMS stands for Building Management System. It is a computer-based control system that monitors and manages various building functions.

• BMS is used to control and monitor HVAC systems, lighting, security, and other building systems.

• It helps optimize energy usage, improve occupant comfort, and ensure efficient operation of building equipment.

• BMS can collect data from sensors and devices, analyze it, and make adjustments to maintain optimal building conditions.

• Examples of BMS inc...read more

Electricity is a form of energy resulting from the existence of charged particles (such as electrons or protons), either statically as an accumulation of charge or dynamically as a current.

• Electricity is the flow of electric charge through a conductor.

• It can be produced by generators, batteries, or solar panels.

• Electricity powers various devices and appliances in our daily lives.

• It can be dangerous if not handled properly, leading to electric shocks or fires.