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1 interview found
Anonymous
(6 Questions)
- Q1. Technical.eletrician
- Q2. Eletrician technical
- Q3. Motor.wiring.stardelta.dol.
- Q4. Motor wiring.stardelta.dol
- Q5. Motor wiring stardelta.dol.sensor.vfd
- Q6. Motor .wiring.stardelta .dol.sensor.vfd
Interview questions from similar companies
Selected
(1 Question)
- Q1. Moter safety testing of moter testing of mager
- Ans.
Motor safety testing is crucial to ensure the proper functioning and safety of motors.
Motor insulation resistance testing to check for any insulation breakdown
Motor winding resistance testing to ensure proper winding connections
Motor current testing to verify if the motor is drawing the correct amount of current
Motor temperature testing to prevent overheating and potential hazards
Thoti Purushotham
Interview Questionnaire
7 Questions
- Q1. 1.star delta control diagram
- Ans.
Star delta control diagram is a method of starting three-phase motors.
Used to reduce the starting current of the motor
Involves connecting the motor windings in a star configuration during starting
After a certain time, the windings are switched to a delta configuration for normal operation
Commonly used in industrial applications
Helps to prolong the life of the motor
- Q2. 2.what is plc.
- Ans.
PLC stands for Programmable Logic Controller, a digital computer used for automation of electromechanical processes.
PLC is used in industrial automation to control machinery and processes.
It is programmed using ladder logic or other programming languages.
PLC can monitor inputs and outputs, and make decisions based on programmed logic.
Examples of PLC applications include manufacturing, transportation, and energy managem...
- Q3. 3.why we are use star delta starter
- Ans.
Star delta starter is used to reduce starting current and protect the motor.
Reduces starting current by starting the motor in star configuration and then switching to delta configuration
Protects the motor from damage due to high starting current
Used for motors with high starting current, such as those with high horsepower or low starting resistance
Commonly used in industrial applications, such as pumps, compressors, an
- Q4. 4.how many types of sensors
- Ans.
There are many types of sensors used in electrical work.
There are temperature sensors, motion sensors, light sensors, and pressure sensors.
Other types of sensors include humidity sensors, gas sensors, and proximity sensors.
Sensors can be used to detect changes in the environment and trigger actions or alarms.
Different sensors have different applications and are used in various industries.
As an electrician, it is import...
- Q5. 5.what is VFD.why it is used.
- Ans.
VFD stands for Variable Frequency Drive. It is used to control the speed of an electric motor.
VFD is an electronic device that controls the frequency and voltage supplied to an electric motor.
It is used to vary the speed of the motor, which can help save energy and reduce wear and tear on the motor.
VFDs are commonly used in HVAC systems, pumps, and other industrial applications.
They can also be used to control the spee...
- Q6. 6.1hp moror how much current required
- Ans.
The current required by a 6.1hp motor depends on the voltage it operates on.
The current required by the motor can be calculated using the formula: Current (A) = Power (W) / Voltage (V)
Assuming the motor operates on 220V, the current required would be around 27.7A
However, if the motor operates on a different voltage, the current required would be different
Factors like the motor's efficiency and power factor can also aff
- Q7. 7.how to work air compressor
- Ans.
An air compressor is a machine that compresses air and stores it in a tank for later use.
Check the oil level and drain the water from the tank before starting
Connect the air hose to the compressor and the tool you want to use
Turn on the compressor and wait for the tank to fill with compressed air
Adjust the pressure regulator to the desired level
Use the tool and turn off the compressor when finished
Regularly maintain th...
Skills evaluated in this interview
Selected
(1 Question)
- Q1. Moter safety testing of moter testing of mager
- Ans.
Motor safety testing is crucial to ensure the proper functioning and safety of motors.
Motor insulation resistance testing to check for any insulation breakdown
Motor winding resistance testing to ensure proper winding connections
Motor current testing to verify if the motor is drawing the correct amount of current
Motor temperature testing to prevent overheating and potential hazards
Interview Questionnaire
7 Questions
- Q1. 1.star delta control diagram
- Ans.
Star delta control diagram is a method of starting three-phase motors.
Used to reduce the starting current of the motor
Involves connecting the motor windings in a star configuration during starting
After a certain time, the windings are switched to a delta configuration for normal operation
Commonly used in industrial applications
Helps to prolong the life of the motor
- Q2. 2.what is plc.
- Ans.
PLC stands for Programmable Logic Controller, a digital computer used for automation of electromechanical processes.
PLC is used in industrial automation to control machinery and processes.
It is programmed using ladder logic or other programming languages.
PLC can monitor inputs and outputs, and make decisions based on programmed logic.
Examples of PLC applications include manufacturing, transportation, and energy managem...
- Q3. 3.why we are use star delta starter
- Ans.
Star delta starter is used to reduce starting current and protect the motor.
Reduces starting current by starting the motor in star configuration and then switching to delta configuration
Protects the motor from damage due to high starting current
Used for motors with high starting current, such as those with high horsepower or low starting resistance
Commonly used in industrial applications, such as pumps, compressors, an
- Q4. 4.how many types of sensors
- Ans.
There are many types of sensors used in electrical work.
There are temperature sensors, motion sensors, light sensors, and pressure sensors.
Other types of sensors include humidity sensors, gas sensors, and proximity sensors.
Sensors can be used to detect changes in the environment and trigger actions or alarms.
Different sensors have different applications and are used in various industries.
As an electrician, it is import...
- Q5. 5.what is VFD.why it is used.
- Ans.
VFD stands for Variable Frequency Drive. It is used to control the speed of an electric motor.
VFD is an electronic device that controls the frequency and voltage supplied to an electric motor.
It is used to vary the speed of the motor, which can help save energy and reduce wear and tear on the motor.
VFDs are commonly used in HVAC systems, pumps, and other industrial applications.
They can also be used to control the spee...
- Q6. 6.1hp moror how much current required
- Ans.
The current required by a 6.1hp motor depends on the voltage it operates on.
The current required by the motor can be calculated using the formula: Current (A) = Power (W) / Voltage (V)
Assuming the motor operates on 220V, the current required would be around 27.7A
However, if the motor operates on a different voltage, the current required would be different
Factors like the motor's efficiency and power factor can also aff
- Q7. 7.how to work air compressor
- Ans.
An air compressor is a machine that compresses air and stores it in a tank for later use.
Check the oil level and drain the water from the tank before starting
Connect the air hose to the compressor and the tool you want to use
Turn on the compressor and wait for the tank to fill with compressed air
Adjust the pressure regulator to the desired level
Use the tool and turn off the compressor when finished
Regularly maintain th...
Skills evaluated in this interview
I applied via Walk-in and was interviewed before Jul 2021. There were 2 interview rounds.
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