APSPDCL Quality Control Line Inspector Interview Questions and Answers

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
Ans. 
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
Ans. 
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. Why do you want to work with us?
Ans. I am a good learner and I want to initiate my career with the Torrent Power
Answered by RISHABH KUMAR KANNOUJIYA
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Q1. What is the cause of Transients in the power system?
Ans. 
Transients in the power system are caused by sudden changes in voltage or current.
• Transients can be caused by lightning strikes, switching operations, or faults in the power system.

• Lightning strikes can create high voltage transients that can damage equipment.

• Switching operations, such as turning on or off a large load, can cause voltage transients.

• Faults in the power system, such as short circuits, can also result in ...read more
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90 question in 90 minutes are given

Q1. 30 question in 30 minutes are given
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Q2. Say something about your experience
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Any one question in my sinner??

Q1. Quality department related questions
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Q2. Work for quality department
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Q1. Torrent Power Franchisee?
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Q2. Location of job
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The aptitude was quite interesting and it forces how you can think different to solve a simple prblm in different ways .

Q1. What's is pneumatic valve .
Ans. 
A pneumatic valve is a type of valve that uses compressed air to control the flow of fluids or gases.
• Pneumatic valves are commonly used in industries such as manufacturing, automation, and transportation.

• They are often used to control the flow of air, water, oil, or other fluids in a system.

• Pneumatic valves can be operated manually, electrically, or through the use of solenoids.

• They are typically made of materials such...read more
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Q2. What's is bourdon tube ,where it is used and why it is used?
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Q3. Search it on Google for better result
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The case study was on how to operate in a emergency situation if the boiler drum pressure is getting high without any limit