HYOSUNG T&D Junior Engineer Interview Questions and Answers

11KV line and structure question

Structure work and working experience whose company work

Q1. Continue work and salary and location
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Q2. Kitna salary loge kahan per location
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Q1. What is synchronous and histerisis motor
Ans. 
Synchronous motor runs at a constant speed while hysteresis motor has a rotor that follows the rotating magnetic field.
• Synchronous motor is used in applications where constant speed is required, such as in clocks and timers.

• Hysteresis motor is used in applications where precise control of speed is required, such as in record players and tape recorders.

• Synchronous motor has a stator and rotor that rotate at the same spe...read more
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Q2. Different between plc and scada
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PLC is a hardware device that controls industrial processes, while SCADA is a software system that monitors and controls those processes.
• PLC is a programmable logic controller that controls the input/output of industrial processes.

• SCADA is a supervisory control and data acquisition system that collects and analyzes data from the industrial processes.

• PLC is a hardware device, while SCADA is a software system.

• PLC is used...read more
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Q3. Different between relay and contactor
Ans. 
Relays are used for low power applications while contactors are used for high power applications.
• Relays are typically used in control circuits to switch low power loads such as lights and fans.

• Contactors are used to switch high power loads such as motors and compressors.

• Relays have a lower current rating than contactors.

• Contactors have larger contacts and can handle higher currents than relays.

• Relays are typically smal...read more
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Q4. Different between switch and relay
Ans. 
Switches are used to control the flow of current in a circuit, while relays are used to switch a circuit on or off.
• Switches are manually operated, while relays are electrically operated.

• Switches are used in low voltage applications, while relays are used in high voltage applications.

• Switches are simple in construction, while relays are more complex.

• Examples of switches include light switches and toggle switches, while ...read more
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Q1. Different between switch and timer
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Switch is an electronic component used to connect or disconnect a circuit while a timer is a device used to measure time intervals.
• Switch is used to turn on/off a device while timer is used to control the duration of a device's operation.

• Switch is a binary device with two states (on/off) while timer can be analog or digital and can measure time in seconds, minutes, or hours.

• Examples of switches include light switches, ...read more
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Q1. About basic concepts of electrical and about my previous company
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Q1. About my previous company and about my Trade
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Q1. Transfermar kya hai
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Q2. Types of motar 2phage
Ans. 
Types of mortar in 2 phase include dry pack mortar and wet pack mortar.
• Dry pack mortar is a stiff mixture of sand, cement, and water used for filling gaps and cracks.

• Wet pack mortar is a fluid mixture of sand, cement, and water used for laying bricks and stones.

• Other types of mortar include lime mortar, cement mortar, and epoxy mortar.
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Language English Hindi

Q1. Power generation
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Q2. Circuit kinte prakar ki hoti hai
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It was hard and took around 2 hrs to complete it

Q1. It was hard and all questions related to transformer and it's losses and induction motor.
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