Hatsun Agro Product Assistant Engineer Interview Questions and Answers

APFC Panel is used to maintain power factor close to unity by automatically switching capacitors as per the load requirement.

• APFC Panel stands for Automatic Power Factor Correction Panel.

• It helps in reducing electricity bills by improving power factor.

• It ensures efficient power usage and reduces stress on electrical equipment.

• Examples: Industries, commercial buildings, large power consumers.

Glycol machines are used for cooling purposes in various industries such as HVAC, food processing, and pharmaceuticals.

• Glycol machines are used to cool air or water in HVAC systems.

• They are also used in food processing industries to maintain temperatures during production.

• In pharmaceuticals, glycol machines are used for temperature control in storage facilities.

• Glycol machines are preferred for their efficiency and abi...read more

There are various types of sensors used in different industries for different purposes.

• Temperature sensors (e.g. thermocouples, RTDs)

• Pressure sensors (e.g. piezoelectric sensors)

• Motion sensors (e.g. accelerometers, gyroscopes)

• Proximity sensors (e.g. ultrasonic sensors)

• Light sensors (e.g. photodiodes, phototransistors)

• Gas sensors (e.g. carbon monoxide sensors)

• Biometric sensors (e.g. fingerprint sensors)

Handling DG involves regular maintenance, monitoring fuel levels, and ensuring proper ventilation.

• Regularly check fuel levels and refill as needed

• Perform routine maintenance such as oil changes and filter replacements

• Monitor DG performance and address any issues promptly

• Ensure proper ventilation to prevent overheating

• Follow safety protocols when working with DG equipment

Chillers are used to remove heat from a liquid via a vapor-compression or absorption refrigeration cycle.

• Chillers are used to cool down buildings, industrial processes, and equipment.

• They are commonly used in air conditioning systems to provide a comfortable indoor environment.

• Chillers are also used in data centers to maintain optimal operating temperatures for servers and other equipment.

• They help in preserving perish...read more

The motor working principle involves the conversion of electrical energy into mechanical energy.

• Motors work based on the principle of electromagnetic induction.

• When an electric current flows through a wire in the presence of a magnetic field, a force is exerted on the wire, causing it to move.

• This movement is used to rotate a shaft, which in turn drives the mechanical load.

• Different types of motors, such as DC motors, ...read more

Circuit breakers are used to protect electrical circuits from damage caused by overload or short circuit.

• Circuit breakers are automatic switches that interrupt the flow of electricity when a fault is detected.

• They are used in residential, commercial, and industrial settings to protect electrical equipment and prevent fires.

• Common types of circuit breakers include thermal, magnetic, and hybrid.

• Examples of circuit breake

A relay circuit diagram is a graphical representation of the connections and components used in a relay circuit.

• Relay circuits use an electromagnetic switch to control the flow of current in a circuit.

• The circuit typically includes a power source, a control circuit, and a load circuit.

• Relay circuits can be used for a variety of applications, such as controlling lights, motors, and other electrical devices.

• The diagram w...read more