Guru Nanak Institute of Technology Teaching Assistant Interview Questions and Answers

A flywheel is a mechanical device used to store rotational energy. It works by accelerating a rotor to a very high speed and maintaining the energy in the system as rotational energy.

• Flywheels store energy by spinning a rotor at high speeds

• The energy is stored as rotational energy

• Flywheels are used in various applications such as energy storage systems, engines, and vehicles

• They are also used in gyroscope and navigatio

The engine starts when the ignition key is turned, which sends an electrical signal to the starter motor.

• The ignition key is turned, completing an electrical circuit

• The starter motor receives the electrical signal and turns the engine over

• Fuel and air are mixed and ignited, causing combustion and starting the engine

• Modern cars may also use push-button ignition or keyless entry systems

A laser is a device that emits a narrow, intense beam of light that can be used for various purposes.

• Laser stands for Light Amplification by Stimulated Emission of Radiation.

• It produces a coherent and monochromatic beam of light.

• Lasers are used in various fields such as medicine, industry, communication, and entertainment.

• Examples of laser applications include laser surgery, laser cutting, laser printing, and laser lig...read more