National Fertilizers Technician Apprentice Trainee Interview Questions and Answers

Q1. What is dol starter
Ans. 
A DOL starter is a Direct-On-Line starter used to start induction motors by directly connecting them to the power supply.
• DOL starters provide full voltage to the motor during starting.

• They are simple in design and cost-effective.

• Commonly used in applications where the motor load is constant and does not require speed control.

• Example: Starting a water pump motor in a residential building.
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Q2. Type of moter
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There are various types of motors including DC motors, AC motors, stepper motors, and servo motors.
• DC motors operate on direct current and are commonly used in household appliances and electric vehicles.

• AC motors operate on alternating current and are used in industrial applications.

• Stepper motors move in precise increments and are commonly used in 3D printers and CNC machines.

• Servo motors are controlled by a feedback ...read more
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Q1. Type of starter
Ans. 
There are various types of starters used in electrical engineering, such as DOL starter, star-delta starter, and soft starter.
• Direct On-Line (DOL) starter is the simplest type, providing full voltage to the motor at start.

• Star-delta starter reduces the starting current by initially connecting the motor in star configuration and then switching to delta.

• Soft starter gradually increases the voltage to the motor, reducing ...read more
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Details about your industrial training & core subjects

Q1. What do you know about company?
Ans. It is a fertilizer company & produces gromor product.
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Q2. What Qualities you have to getting the job?
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Q1. Types of starters for motor
Ans. 
Starters are used to control the starting and stopping of motors. Types include DOL, star-delta, soft starters, and VFDs.
• Direct-On-Line (DOL) starters provide full voltage to the motor at start-up

• Star-Delta starters reduce the voltage during start-up to reduce inrush current

• Soft starters gradually increase the voltage to the motor to reduce inrush current and mechanical stress

• Variable Frequency Drives (VFDs) control th...read more
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Q2. Maintenance documents
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Q1. Explain your job profile
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Q1. BASIC ELECTRICAL, SWITCHYARD SLD
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Q2. Saftey,Tranformer,motor vfd
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Q3. Challenging movment,any big brekdown attend
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Q1. SALERY, Previous carrer questions
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Q2. Next goal,stability
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