Ocl Iron & Steel Senior Electrician Interview Questions and Answers

Q1. What is Rj 45 Connector
Ans. 
RJ45 connector is a standardized physical interface for connecting Ethernet cables to network devices.
• RJ45 connector is commonly used for Ethernet networking.

• It has 8 pins that are used to transmit data.

• RJ45 connectors are used in networking equipment like routers, switches, and computers.

• They are also used for connecting devices like printers, IP cameras, and VoIP phones.
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Q2. What is pvc pipe
Ans. 
PVC pipe is a type of plastic pipe commonly used in plumbing and electrical applications.
• PVC stands for polyvinyl chloride

• It is lightweight, durable, and resistant to corrosion

• Commonly used for water supply lines, drainage systems, and electrical conduit

• Available in various sizes and colors for different applications
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Q3. What is causing Chapin
Ans. 
Chapin is caused by a short circuit in an electrical system.
• Chapin is caused by a short circuit, which occurs when a current bypasses the normal load path and flows through an unintended path.

• Short circuits can be caused by damaged insulation, loose connections, or faulty equipment.

• Short circuits can lead to overheating, fires, and damage to electrical components.

• Proper insulation, regular maintenance, and using high-q...read more
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Q4. What we use Rj 45 Connector
Ans. 
RJ45 connectors are used for connecting Ethernet cables to networking devices such as computers, routers, and switches.
• Used for connecting Ethernet cables

• Commonly used in networking devices like computers, routers, and switches

• Has 8 pins for data transmission

• Provides a secure and reliable connection
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Q1. What is motor ?
Ans. 
A motor is a device that converts electrical energy into mechanical energy to produce motion.
• Motors can be found 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 and a stator, with the rotor rotating within the stator to generate motion.

• Common examples of motors include ...read more
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Q2. What is lt and HT ?
Ans. 
LT stands for Low Tension and HT stands for High Tension in the context of electrical systems.
• LT refers to voltage levels below 1000V, while HT refers to voltage levels above 1000V.

• LT is commonly used for household appliances and lighting, while HT is used for industrial equipment and power distribution.

• LT systems are generally safer and easier to work with compared to HT systems.

• Examples of LT equipment include ceilin...read more
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Q3. What is vcb ?
Ans. 
VCB stands for Vacuum Circuit Breaker, which is a type of circuit breaker that uses vacuum as the arc quenching medium.
• VCB is used to interrupt the current flow in a circuit by creating a gap between contacts where the arc is extinguished in a vacuum.

• It is commonly used in medium voltage applications for its high reliability and low maintenance requirements.

• VCBs are preferred over other types of circuit breakers in sit...read more
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Q1. What is Electrical Safety
Ans. 
Electrical safety refers to practices and precautions taken to prevent electrical hazards and accidents.
• Ensuring all electrical equipment is properly maintained and inspected regularly

• Using appropriate personal protective equipment (PPE) when working with electricity

• Following proper lockout/tagout procedures when working on electrical systems

• Keeping work areas clean and free of clutter to prevent tripping hazards

• Traini...read more
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Q2. What is transformer ?
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two or more coils of insulated wire wound around a core

• Primary coil receives electrical energy and induces a magnetic field in the core

• Secondary coil receives the magnetic field and converts it back to electrical energy

• Used to step up or step down voltage levels in electrical...read more
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Q3. What is ACB ?
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ACB stands for Air Circuit Breaker, which is a type of circuit breaker that operates in the air to protect electrical circuits from overloads and short circuits.
• ACB is commonly used in low voltage applications to protect electrical equipment.

• It automatically cuts off the power supply when it detects an overload or short circuit.

• ACBs are available in different sizes and ratings to suit various applications.

• Examples of A...read more
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Q1. How much terminal in polly phase meter
Ans. 
A polyphase meter typically has three terminals.
• Polyphase meters are used to measure electrical energy in three-phase systems.

• These meters have three terminals, each corresponding to a phase (usually labeled as L1, L2, and L3).

• The three-phase system allows for more efficient power distribution and is commonly used in industrial and commercial settings.

• Examples of polyphase meters include electromechanical induction met
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Q1. Basic electrical, wiring diagram, motor ,generator, alternator, basic electronic,
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Q2. Basic electrical, wiring diagram ,motor ,generator,alternator ,power generation
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Q1. Basic electrical ,wiring diagram ,motor ,generator, alternator,lighting
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Q2. Basic electrical ,transformer, motor ,generator, alternator, basic electronic
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Motor mantain ,conveyor belt safety device like bss, zss, installation

Q1. Electric releted
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Q2. Motor dol star delta starter
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Q1. Electrical waring
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Q2. All questions electrical
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Q3. Machine operator
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Q4. Panal room opeter
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Q5. Drive work machine
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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
Ans. 
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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