Texmaco Rail and Engineering Technician Interview Questions and Answers

Q1. What is the principal of transformer?
Ans. 
The principal of a transformer is based on the principle of electromagnetic induction.
• Transformers work on the principle of Faraday's law of electromagnetic induction.

• When an alternating current flows through the primary coil, it creates a changing magnetic field.

• This changing magnetic field induces a voltage in the secondary coil, resulting in the transfer of electrical energy.

• The ratio of the number of turns in the p...read more
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Q2. Full form of MCB ?
Ans. 
Miniature Circuit Breaker
• MCB stands for Miniature Circuit Breaker

• It is an electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit

• MCBs are commonly used in residential and commercial buildings for electrical safety

• Examples of MCB brands include Siemens, Schneider Electric, and Legrand
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Q1. Electrician maintenance
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Q2. Superviser electrician
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Time and speed problem,age and person problem,

Q1. Education and experience. Certificate and personality.
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Q2. Where did you complete your education. What are you certification
Ans. 
I completed my education at XYZ University and have certifications in ABC and DEF.
• Completed education at XYZ University

• Certifications in ABC and DEF
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Q1. When you working. How many year experience
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Q2. Expectation salary. Did you what work in previous company.
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Q1. Electrician 3 phase &single phase different
Ans. 
Single phase has one live wire and one neutral wire, while three phase has three live wires and one neutral wire.
• Single phase is used for smaller loads like household appliances.

• Three phase is used for larger loads like industrial machinery.

• Single phase has a lower power output compared to three phase.

• Three phase is more efficient and cost-effective for high power applications.

• Single phase has a voltage of 230V while t...read more
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Q2. Mechanical 2 hp motor how kw need
Ans. 
The kW required for a 2 hp motor depends on the efficiency of the motor.
• The efficiency of the motor needs to be known to calculate the kW required.

• The formula to calculate kW is kW = hp x 0.746 / efficiency.

• Assuming an efficiency of 80%, the kW required for a 2 hp motor would be 1.49 kW.
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Electrician ITI NCVT college

Q1. Where do you see yourself in 5 years?
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