BHEL NDT Engineer Interview Questions and Answers for Experienced

Q1. Your personal information
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Q2. Why did you choose Electrical Engineering?
Ans. 
I chose Electrical Engineering because of my passion for understanding and working with technology.
• Fascination with technology and how things work

• Interest in problem-solving and innovation

• Desire to contribute to advancements in the field

• Enjoyment of hands-on projects and experimentation
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Education related Questions Asked

Q1. How many types of gates? ,And its truth tables
Ans. 
There are seven basic types of logic gates: AND, OR, NOT, NAND, NOR, XOR, and XNOR.
• AND gate: output is high only if all inputs are high

• OR gate: output is high if any input is high

• NOT gate: output is the inverse of the input

• NAND gate: output is low only if all inputs are high

• NOR gate: output is low if any input is high

• XOR gate: output is high if inputs are different

• XNOR gate: output is high if inputs are the same
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Q2. Electronic and Electrical related types questions
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Q3. About to himself?
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Q4. Questions paper
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Q1. Circuit diagram for half wave
Ans. 
A half wave circuit diagram shows the flow of current in a circuit during half of the input cycle.
• A half wave rectifier circuit consists of a diode, a resistor, and a load.

• During the positive half cycle of the input signal, the diode conducts and allows current to flow through the load.

• During the negative half cycle, the diode blocks the current flow.

• The output waveform of a half wave rectifier is a pulsating DC wavefo...read more
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Q1. How much salary expected
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Q2. Relocate to other places
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Q1. What is reactor transformer?
Ans. 
A reactor transformer is a type of transformer used in power systems to control voltage and current levels.
• It is used to regulate voltage and current levels in power systems.

• It is designed to handle high levels of current and voltage fluctuations.

• It is often used in conjunction with other types of transformers to provide optimal power distribution.

• Examples include step-up and step-down reactors, which increase or decre
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Q2. Asking about previous job experience
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Q3. Asking the question from instrument schematic.
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Q1. Hall sensor working principle?
Ans. 
Hall sensor detects magnetic field and converts it into a voltage signal.
• Hall sensor is a transducer that detects the presence of a magnetic field.

• It works on the principle of the Hall effect, where a voltage is generated across a conductor when a magnetic field is applied perpendicular to the current flow.

• The voltage generated is proportional to the strength of the magnetic field.

• Hall sensors are used in various appli...read more
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Q1. Whats your expectation?
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Q2. Detailed about your self.
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Q1. Focused on new initiatives
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Q2. Energy Saving action taken during the
Ans. 
Implemented LED lighting in the facility to reduce energy consumption.
• Replaced traditional lighting with energy-efficient LED bulbs

• Installed motion sensors to automatically turn off lights when not in use

• Conducted energy audits to identify areas for improvement
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Q3. Poka yoke implemented in organisation
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Poka yoke is implemented in our organization to prevent errors and defects in maintenance processes.
• Poka yoke, also known as mistake-proofing, is used to design processes in a way that prevents errors from occurring.

• Examples of Poka yoke in maintenance engineering include using color-coded tools to prevent using the wrong equipment, or using checklists to ensure all steps are completed correctly.

• By implementing Poka yo...read more
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