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Blue Star
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I applied via Campus Placement
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.
Materials commonly used for earthing include copper, galvanized steel, and conductive concrete.
Copper rods
Galvanized steel rods
Conductive concrete
Earthing strips
Earthing plates
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.
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
There are several types of pipes used in HVAC systems.
Copper pipes: commonly used for refrigerant lines and water supply
PVC pipes: used for condensate drain lines
Galvanized steel pipes: used for ductwork and water supply
Flexible ducts: used for air distribution
PEX pipes: used for radiant heating systems
Stainless steel pipes: used for high-pressure applications
What people are saying about Blue Star
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...
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
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
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...
I applied via campus placement at Sikkim Manipal University (SMU) and was interviewed in Mar 2023. There were 2 interview rounds.
Transformers rating is in kVA because it takes into account both voltage and current.
kVA is a unit of apparent power, which is the combination of real power (measured in kW) and reactive power (measured in kVAR).
Transformers are designed to handle a certain amount of power, and kVA rating takes into account both the voltage and current that the transformer can handle.
For example, a transformer with a rating of 100 kVA ...
Ground is a conducting body that is used as a reference point for electrical circuits, while earth is a large conducting body that acts as a sink for electrical charges.
Ground is a reference point for electrical circuits, while earth is a sink for electrical charges.
Ground is a local concept, while earth is a global concept.
Ground is a man-made concept, while earth is a natural concept.
Ground is used to prevent electri...
I applied via Naukri.com and was interviewed before May 2022. There were 2 interview rounds.
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...
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...
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...
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...
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...
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...
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...
I applied via Naukri.com and was interviewed in Jun 2023. There were 4 interview rounds.
Treated fresh unit equipment parts are components used in the treatment of fresh water in a unit.
Pumps
Filters
Valves
Chemical dosing systems
Control panels
Flow meters
TFA stands for Thin Film Antenna. It is a type of antenna that uses a thin film of conductive material to transmit and receive signals.
TFA works on the principle of using a thin film of conductive material as the antenna element.
The conductive film is usually made of materials like copper or gold.
The film is deposited on a substrate, which provides mechanical support and insulation.
TFA antennas are lightweight, flexibl...
Duct size can be calculated based on the required airflow, velocity, and friction loss.
Determine the required airflow for the space or system.
Calculate the velocity of the air based on the desired airflow and the cross-sectional area of the duct.
Consider the friction loss in the duct system due to fittings, bends, and length.
Use duct sizing charts or software to find the appropriate duct size based on the calculated ve...
AHU and chiller are essential components of HVAC systems.
AHU stands for Air Handling Unit and is responsible for circulating and conditioning air within a building.
Chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle.
AHU and chiller work together to provide cooled air to the building.
AHU takes in outside air, filters it, cools or heats it, and then distributes i...
Ventilation CFM is calculated by determining the volume of air to be exchanged per minute.
CFM stands for Cubic Feet per Minute.
To calculate ventilation CFM, you need to know the volume of the space and the desired air exchange rate.
The formula to calculate CFM is: CFM = (Volume of Space) x (Air Exchange Rate)
For example, if the volume of a room is 1000 cubic feet and the desired air exchange rate is 5 times per hour, t
The current CTC and expected CTC are financial aspects of the job that need to be discussed during the negotiation process.
Current CTC refers to the current salary or compensation package of the candidate.
Expected CTC refers to the salary or compensation package the candidate is looking for in the new role.
These figures are important for both the employer and the candidate to ensure alignment and avoid any misunderstan...
Exhaust CFM can be calculated by determining the air volume flow rate in cubic feet per minute.
Determine the area of the exhaust opening
Measure the velocity of the air being exhausted
Multiply the area by the velocity to get the air volume flow rate in cubic feet per minute
Duct size is determined by the gauge of the material used.
Duct size refers to the dimensions of the ductwork used in HVAC systems.
The gauge of the material refers to its thickness or weight.
Thicker gauge materials are used for larger duct sizes to ensure structural integrity.
Common gauges for ductwork range from 26 to 16, with lower numbers indicating thicker materials.
For example, a 16-gauge duct would be used for lar...
I applied via campus placement at Sikkim Manipal University (SMU) and was interviewed in Mar 2023. There were 2 interview rounds.
Transformers rating is in kVA because it takes into account both voltage and current.
kVA is a unit of apparent power, which is the combination of real power (measured in kW) and reactive power (measured in kVAR).
Transformers are designed to handle a certain amount of power, and kVA rating takes into account both the voltage and current that the transformer can handle.
For example, a transformer with a rating of 100 kVA ...
Ground is a conducting body that is used as a reference point for electrical circuits, while earth is a large conducting body that acts as a sink for electrical charges.
Ground is a reference point for electrical circuits, while earth is a sink for electrical charges.
Ground is a local concept, while earth is a global concept.
Ground is a man-made concept, while earth is a natural concept.
Ground is used to prevent electri...
I applied via Naukri.com and was interviewed before May 2022. There were 2 interview rounds.
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...
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...
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...
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...
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...
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...
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...
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Assistant Manager
765
salaries
| ₹5 L/yr - ₹17 L/yr |
Senior Engineer
324
salaries
| ₹3 L/yr - ₹10 L/yr |
Deputy Manager
249
salaries
| ₹8.3 L/yr - ₹23 L/yr |
AC Technician
203
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| ₹0.7 L/yr - ₹6 L/yr |
Senior Executive
168
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| ₹4.3 L/yr - ₹9.5 L/yr |
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