Sunflag Iron and Steel ITI Electrician Interview Questions and Answers

Q1. How work are star delta starter, types of dc generator, tube light connection circuit, diagram, toway switch connection,
Ans. 
The question covers topics related to electrical circuits and devices.
• Star delta starter is used to reduce the starting current of induction motors.

• Types of DC generators include shunt, series, and compound generators.

• Tube light connection circuit involves connecting the starter, choke, and tube light in series.

• Two-way switch connection is used to control a single light or group of lights from two different locations.
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Q2. Types of starter,star delta starter draw circuit diagram , what is star delta connection, types of transformer & their types, how works bukols relay , types of dc motor & use
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The answer includes information about types of starters, star delta connection, types of transformers, working of bukols relay, and types of DC motors.
• Types of starters include direct-on-line starter, star delta starter, auto transformer starter, and resistance starter.

• Star delta starter is used to reduce the starting current of induction motors.

• Star delta starter circuit diagram consists of three contactors, a timer, ...read more
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Q1. 1) tell me about your selfie
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I'm sorry, but I don't think I understand the question. Could you please clarify?
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Q2. 2) how to like this company
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Q3. Are you interested in this company
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Q4. Yes im interested i like this one company
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Q1. Whi is the butterfly valve service ❔
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Q2. What is the pressure cylinder
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Q1. What is motor ?
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A motor is a device that converts electrical energy into mechanical energy to produce motion.
• Motors are commonly used in various applications such as industrial machinery, household appliances, and vehicles.

• There are different types of motors including AC motors, DC motors, and servo motors.

• Motors consist of a rotor, stator, and various components such as coils, magnets, and brushes.

• Examples of motors include electric
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Q2. What is vcb ?
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VCB stands for Vacuum Circuit Breaker, a type of circuit breaker that uses vacuum as the arc quenching medium.
• VCB is a type of circuit breaker that uses vacuum as the arc quenching medium.

• It is used to interrupt the current flow in case of a fault or overload in the electrical system.

• VCBs are commonly used in medium voltage applications.

• They are more reliable and require less maintenance compared to other types of circ
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Q1. Om law in v=I×R
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Ohm's Law states that the voltage (V) in a circuit is equal to the current (I) multiplied by the resistance (R).
• V = I * R

• Voltage is measured in volts (V)

• Current is measured in amperes (A)

• Resistance is measured in ohms (Ω)

• Example: If a circuit has a current of 2A flowing through a resistance of 5Ω, the voltage would be 10V (2A * 5Ω = 10V)
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Q2. Plc digital input and digital output
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Q3. Analog input and analog output kya hota h
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Q4. Power ka formula kya hota h
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Q5. Ac motor and DC motor me kya antar h
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Q1. What methods can be used to determine the RPM of a motor?
Ans. 
Various methods exist to measure motor RPM, including tachometers, frequency counters, and optical sensors.
• Tachometer: A device that directly measures the rotational speed of the motor shaft.

• Frequency Counter: Measures the frequency of the motor's output signal, which can be converted to RPM.

• Optical Sensor: Uses light beams to detect the rotation of a marked disk attached to the motor.

• Stroboscope: A flashing light that...read more
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Q2. What are the safety device system of a conveyor line?
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Safety devices in conveyor systems prevent accidents and ensure smooth operation, protecting both workers and equipment.
• Emergency Stop Buttons: Allow immediate shutdown of the conveyor in case of an emergency.

• Safety Guards: Physical barriers that prevent access to moving parts, reducing the risk of injury.

• Photoelectric Sensors: Detect objects or personnel in the conveyor's path, stopping operation if necessary.

• Overload...read more
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Q3. What is negative charge of Esp system electrode?
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The negative charge of an ESP system electrode helps in attracting and collecting particulate matter from flue gases.
• Electrostatic Precipitators (ESPs) use negatively charged electrodes to ionize particles in the gas stream.

• The negative charge creates an electric field that attracts positively charged particles, aiding in their collection.

• For example, in power plants, ESPs remove ash and other pollutants from exhaust g...read more
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Q4. What is colour of healthy and unhealthy silica gel?
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Healthy silica gel is typically blue or orange, while unhealthy silica gel turns pink or green, indicating moisture absorption.
• Healthy silica gel is often blue or orange, indicating it is dry.

• Unhealthy silica gel turns pink or green when it absorbs moisture.

• Blue silica gel contains cobalt chloride, which changes color when wet.

• Orange silica gel is a safer alternative that changes from orange to green when saturated.
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Question about mill maintenance and preventive maintenance

Q1. Some technical questions about mill
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Q1. Hot rolling operation and maintenance
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Q1. Salary Negotiation and Iso,TPM, IMS
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