Electrician.I.T.I Interview Questions and Answers

Updated 23 Jul 2022

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Q1. Types of current. (Ans-2 types of current , Alternative and direct. AC generally use in everywhere like domestic, industrial and manymore.this current flows in frequently. Indian frequency is 50 Htz. Direct cur...

Ans.

There are two types of current - Alternating Current (AC) and Direct Current (DC). AC is used in domestic, industrial and many other applications, while DC is used for equipment and electric devices.

Alternating Current (AC) flows in a back-and-forth motion and is used in most applications
Direct Current (DC) flows in one direction and is used for specific equipment and devices
AC is commonly used in homes, offices, and industrial settings
DC is used in batteries, electronic devi...read more

Q2. Describe SMPS (ans- SMPS is switched mode Power supply, it's normally use for manage and supply power to any equipment as required to use.

Ans.

SMPS is a switched mode power supply used to manage and supply power to equipment as required.

SMPS stands for Switched Mode Power Supply
It is used to efficiently manage and supply power to electronic equipment
It uses high frequency switching to convert AC to DC power
It is commonly used in computers, televisions, and other electronic devices
SMPS is more efficient and compact than traditional linear power supplies

Q3. Working principle of transfarmer. (Ans- transfarmer used to change power load and distribution. It's changes power high tension to low tension,or LT to HT. It's depending upon windings.

Ans.

Transformers change voltage levels in electrical circuits.

Transformers use electromagnetic induction to transfer electrical energy from one circuit to another.
They can step up or step down voltage levels depending on the number of windings in the primary and secondary coils.
Transformers are used in power distribution systems to transmit electricity over long distances with minimal loss.
They are also used in electronic devices to convert AC voltage to DC voltage.
Transformers c...read more

Q4. What's used for transformer main safety equipment.

Ans.

The main safety equipment used for transformers are fuses, circuit breakers, and protective relays.

Fuses are used to protect the transformer from overcurrents.
Circuit breakers are used to protect the transformer from short circuits.
Protective relays are used to detect abnormal conditions and trip the circuit breaker.
Other safety equipment may include grounding devices and temperature sensors.

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Q5. What is the difference between ac and dc

Ans.

AC stands for alternating current while DC stands for direct current. The main difference is the direction of flow of electrons.

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 transformers while DC voltage cannot be changed easily
Examples of AC sources include generators and power grids while examples of DC sources include b...read more

Q6. What is the ct and pt

Ans.

CT and PT are electrical devices used for measuring current and voltage respectively.

CT stands for Current Transformer and is used to measure high currents in power systems.
PT stands for Potential Transformer and is used to measure high voltages in power systems.
CT and PT are commonly used in metering and protection systems in electrical power networks.
CT and PT are also used in testing and commissioning of electrical equipment.
CT and PT are designed to step down high current...read more

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Q7. 10 year gulf experience

Ans.

Yes, I have 10 years of experience working as an electrician in the Gulf region.

During my time in the Gulf, I gained extensive knowledge and experience in electrical systems and equipment commonly used in the region.
I have worked on various projects ranging from residential to commercial and industrial buildings.
I am familiar with the safety regulations and standards in the Gulf region and have always ensured that my work adheres to them.
I have also worked with a diverse team...read more

Q8. 2 year experience

Ans.

I have 2 years of experience as an electrician.

During my 2 years of experience, I have gained knowledge and skills in electrical installations, maintenance, and repairs.
I have worked on various projects, including residential, commercial, and industrial buildings.
I am familiar with electrical codes and safety regulations.
I have experience in troubleshooting and problem-solving.
I have also worked with different types of electrical equipment and tools.
I am always willing to lea...read more