Indinfravit Trust Electrical Maintenance Engineer Interview Questions and Answers

Electrical Technical/ reasoning/numbering

Q1. Abhi tak ni hua hai.date fix kare
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Q2. Interview date fix kare .
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Q3. Electrical engineering se
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Q4. Maintenance ke liye Krna hai
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Q5. Good job and good work
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Q6. Kese work krna hai L&t company m
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Q7. Me achhe se achha response dunga
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Q8. What is current. what is voltage
Ans. 
Current is the flow of electric charge, while voltage is the measure of electric potential difference.
• Current is measured in amperes (A) and is the rate of flow of electric charge.

• Voltage is measured in volts (V) and is the measure of electric potential difference.

• Ohm's law relates current, voltage, and resistance: I = V/R.

• Current flows from high potential to low potential, while voltage is the difference in potential ...read more
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Q9. Ac and dc difference ?
Ans. 
AC and DC are two types of electrical current. AC changes direction periodically while DC flows in one direction only.
• AC stands for Alternating Current while DC stands for Direct Current

• AC changes direction periodically while DC flows in one direction only

• AC is used for power transmission over long distances while DC is used for electronic devices

• AC voltage can be easily changed using a transformer while DC voltage can...read more
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Q10. Ok best of luck .thank you
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Q1. Give me any device for maintenance.
Ans. 
Vibration Analyzer
• Used to detect and diagnose machinery faults by measuring vibration levels

• Helps in identifying the root cause of the problem and preventing breakdowns

• Examples: SKF Microlog, Emerson CSI 2140, Fluke 810
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Q1. What is electric current, how will be work MCB,how many types of short skt
Ans. 
Electric current is the flow of electric charge. MCB is a safety device that automatically switches off the electrical circuit. There are different types of short circuits.
• Electric current is the movement of electrons through a conductor.

• MCB stands for Miniature Circuit Breaker and is used to protect electrical circuits from damage caused by overload or short circuit.

• Short circuits occur when there is an unintended con...read more
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Q2. What is ckt ,what is current,what is resistant, what is voltage
Ans. 
CKT is circuit, current is flow of electrons, resistance is opposition to flow, voltage is electrical potential difference.
• CKT stands for circuit which is a closed loop through which electricity flows

• Current is the flow of electrons in a circuit and is measured in amperes (A)

• Resistance is the opposition to the flow of current and is measured in ohms (Ω)

• Voltage is the electrical potential difference between two points i...read more
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Q3. What is power , why use relay in electric current
Ans. 
Power is the rate at which energy is transferred. Relays are used to control high power circuits with low power signals.
• Power is measured in watts and is the product of voltage and current

• Relays are used to isolate high power circuits from low power control circuits

• Relays can also be used to switch multiple circuits with a single control signal

• Examples of relay applications include motor control, lighting control, and
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Q1. What is transformer?
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease the voltage in electrical power transmission and distribution systems.

• They consist of two or more coils of wire, known as windings, which are wound around a core made of magnetic material.

• The primary winding receives electrical energy from th...read more
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