Bajaj Electricals Site Supervisor Interview Questions and Answers

Q1. What is AI? IN
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Q1. What are your salary expectations?
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Q2. Where do you see yourself in 5 years?
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Q1. What is breathing inside a trasformer?
Ans. 
Breathing inside a transformer refers to the movement of air caused by temperature changes and the expansion and contraction of the transformer's internal components.
• Breathing is a natural phenomenon that occurs in transformers due to thermal cycling.

• As the transformer heats up during operation, the internal components expand, causing the air inside to be expelled.

• When the transformer cools down, the internal component...read more
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Q2. What is circuit breaker?
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A circuit breaker is an automatic electrical switch that protects an electrical circuit from damage caused by overload or short circuit.
• It automatically interrupts the flow of electricity when it detects a fault in the circuit.

• It can be reset manually or automatically after the fault is cleared.

• It is commonly used in homes, buildings, and industrial settings to protect electrical equipment and prevent fires.

• Examples in...read more
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Q3. How many types of staters are?
Ans. 
There are several types of starters used in engineering, such as direct-on-line starters, star-delta starters, and auto-transformer starters.
• Direct-on-line starters are the simplest type and provide full voltage to the motor at startup.

• Star-delta starters reduce the voltage during startup to minimize the current surge.

• Auto-transformer starters use an autotransformer to reduce the voltage during startup.

• Other types incl...read more
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Q4. What is full form of s.c.r
Ans. 
The full form of S.C.R is Silicon Controlled Rectifier.
• S.C.R stands for Silicon Controlled Rectifier.

• It is a type of semiconductor device used for controlling electric current.

• It is widely used in power control applications such as motor speed control, lighting control, and power supplies.

• S.C.R acts as a switch that can be triggered to conduct or block current flow.

• It has three terminals - anode, cathode, and gate.

• When...read more
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Q5. What is kirchooff's law?
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Kirchhoff's law is a fundamental principle in electrical circuit analysis that relates to the conservation of charge and energy.
• Kirchhoff's law includes two principles: Kirchhoff's current law (KCL) and Kirchhoff's voltage law (KVL).

• KCL states that the sum of currents entering a node is equal to the sum of currents leaving the node.

• KVL states that the sum of voltages around any closed loop in a circuit is equal to zero...read more
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Q6. What is charging of an electrode in e.s.p control in a thermal power plant.
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Charging of an electrode in e.s.p control is the process of applying an electric charge to the electrode to attract and collect particulate matter in a thermal power plant.
• Charging of an electrode is a crucial step in the operation of an electrostatic precipitator (e.s.p) in a thermal power plant.

• The electrode is charged with a high voltage DC power supply, typically ranging from 40,000 to 70,000 volts.

• The charged elec...read more
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Q7. What is A.c.p and LTMSB pannels
Ans. 
A.C.P stands for Aluminum Composite Panel and LTMSB panels are Low Tension Main Switch Boards used in electrical systems.
• A.C.P is a lightweight material used for cladding, facades, and signage.

• It consists of two thin aluminum sheets bonded to a non-aluminum core.

• LTMSB panels are used to distribute power to various electrical loads in a building.

• They are designed to handle low voltage and current levels.

• LTMSB panels typ...read more
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Q8. Acp is auxilary control pannel and LTMSB is low transmission main switch board.
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Q1. What makes ac to dc
Ans. 
AC is converted to DC using a rectifier circuit.
• AC to DC conversion is done using a rectifier circuit, which converts alternating current (AC) to direct current (DC).

• Rectifier circuits can be half-wave or full-wave, depending on the type of rectification needed.

• Examples of rectifier circuits include diode rectifiers, bridge rectifiers, and voltage multiplier circuits.
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Q2. What's materials used for earthing
Ans. 
Materials commonly used for earthing include copper, galvanized steel, and conductive concrete.
• Copper rods

• Galvanized steel rods

• Conductive concrete

• Earthing strips

• Earthing plates
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Q3. Full form of MCBA
Ans. 
MCBA stands for Master of Construction Business Administration.
• MCBA is a postgraduate degree program that focuses on the business aspects of the construction industry.

• It covers topics such as project management, finance, marketing, and strategic planning.

• Example: John completed his MCBA to advance his career in construction management.
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Q4. What is the standard earthing voltage
Ans. 
The standard earthing voltage is typically 0 volts.
• Standard earthing voltage is usually 0 volts to ensure safety in electrical systems

• Earthing voltage can vary depending on the specific requirements of the system

• Proper earthing helps to prevent electrical shocks and equipment damage
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Q1. How long you can join
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Q2. As early as possible
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Q1. What is AI? IN
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Q1. Asked about drawing details and about quality, quality,
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Q2. About safety and ppe
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Q1. About salary and all HRA
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Q2. About experience of construction work
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How do you ensure that a project stays on schedule

How do you handle project delays

Q1. How can I monitor a site?
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Q2. What steps can I take to commit myself to a company improvement project?
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Q1. Earthing dimension
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Q2. How many pole 1km cabling
Ans. 
The number of pole 1km cabling required depends on the specific project requirements and design considerations.
• The number of pole 1km cabling needed will depend on the distance to be covered and the spacing between poles.

• Factors such as terrain, existing infrastructure, and local regulations will also impact the number of poles required.

• For example, in a straight road with no obstacles, fewer poles may be needed compar...read more
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Q3. Pole base plate size
Ans. 
The size of the pole base plate depends on the load requirements and soil conditions.
• The size of the pole base plate should be determined by the structural engineer based on the load requirements of the pole.

• The soil conditions at the site also play a crucial role in determining the size of the base plate.

• Factors such as wind load, seismic activity, and the weight of the pole itself should be considered when determinin
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Q4. Stay plate dimension
Ans. 
Stay plate dimensions are typically specified by the engineer or designer based on the specific requirements of the structure.
• Stay plate dimensions are determined based on the load and stress requirements of the structure.

• The dimensions of stay plates can vary depending on the material used and the design specifications.

• Stay plates are often designed to distribute loads and provide stability in structures such as bridg
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Q1. Notice period of joining
Ans. 
Typically 1-3 months notice period is required before joining a new job.
• Notice period is the time between accepting a job offer and starting the new job.

• It allows the current employer time to find a replacement and for the employee to wrap up their work.

• Notice periods can vary depending on company policy and the level of the position.

• It is common for notice periods to be 1-3 months in duration.

• Some companies may requir...read more
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