Working Principles of Devices Quiz

What is the working principle of a hydraulic press?

• Pascal's Law

• Archimedes' Principle

• Bernoulli's Principle

• Hooke's Law

Which principle does a refrigerator use to maintain low temperature?

• Boyle's Law

• Heat Transfer and Compression

• Charles's Law

• Joule’s Effect

The working principle of a transformer is based on which phenomenon?

• Electromagnetic Induction

• Photoelectric Effect

• Thermionic Emission

• Nuclear Fission

What is the primary working principle of a photovoltaic cell?

• Electromagnetic Induction

• Photoelectric Effect

• Thermoelectric Effect

• Nuclear Fusion

A washing machine operates on the principle of:

• Centrifugation

• Sedimentation

• Filtration

• Evaporation

What principle does a pressure cooker use for cooking?

• Boyle’s Law

• Increase in Pressure Increases Boiling Point

• Heat Conduction

• Joule's Law

The basic working principle of a radar is:

• Reflection of Sound Waves

• Reflection of Electromagnetic Waves

• Refraction of Light

• Photoelectric Effect

What is the principle behind fiber optic cables?

• Total Internal Reflection

• Diffraction of Light

• Refraction of Light

• Polarization

The principle of sonar is based on:

• Reflection of Light

• Propagation of Sound Waves in Water

• Electromagnetic Radiation

• Heat Transfer

A gas turbine works on the principle of:

• Rankine Cycle

• Brayton Cycle

• Carnot Cycle

• Otto Cycle