Johnson Controls Hitachi Air Conditioning Diploma Trainee Engineer Interview Questions and Answers

A wire harness is a collection of wires, cables, and connectors that transmit electrical signals and power between different components in a system.

• Wire harnesses provide a neat and organized way to route and protect wires in a system.

• They ensure proper connectivity and prevent wire damage or short circuits.

• Wire harnesses simplify troubleshooting and maintenance by allowing easy identification and replacement of faulty...read more

Sputtering is a process used in manufacturing to deposit thin films of material onto a surface.

• Sputtering is a physical vapor deposition technique.

• It involves bombarding a target material with high-energy ions or atoms.

• This bombardment dislodges atoms from the target material, which then deposit onto a substrate.

• Sputtering is commonly used in the production of semiconductor devices, solar cells, and thin film coatings.

• ...read more

Color coding is a system of using colors to convey information or identify objects, wires, or components.

• Color coding is widely used in various industries such as electrical, electronics, telecommunications, and automotive.

• It helps in quickly identifying and distinguishing between different objects or components.

• Color coding can be used to indicate the value or type of a component, the function of a wire, or the status...read more

A noise filter circuit is used to remove unwanted noise from a signal.

• It is a type of electronic filter that attenuates or removes noise from a signal

• It can be implemented using passive components like resistors, capacitors, and inductors

• Active components like operational amplifiers can also be used to design noise filter circuits

• Examples include low-pass filters, high-pass filters, band-pass filters, and notch filters