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I appeared for an interview before Sep 2022.
A condenser is a device used in HVAC systems to release heat absorbed by the refrigerant during the cooling process.
Converts high-pressure gas into high-pressure liquid
Located outside the building
Uses a fan to help dissipate heat
Can be air-cooled or water-cooled
A compressor is a mechanical device that increases the pressure of a gas by reducing its volume.
Compressors are commonly used in air conditioning and refrigeration systems to circulate refrigerant.
They work by taking in low-pressure gas and compressing it to a higher pressure.
There are different types of compressors, such as reciprocating, rotary, and scroll compressors.
Compressors play a crucial role in the cooling pr...
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posted on 12 Jul 2021
Structural analysis involves methods to determine the behavior of structures under different loads and conditions.
Structural analysis is used to determine the strength, stiffness, and stability of structures.
Methods include finite element analysis, matrix methods, and computer simulations.
Terms include stress, strain, deformation, and buckling.
Structural analysis is important in designing safe and efficient structures.
...
I applied via Campus Placement and was interviewed before Jul 2020. There were 3 interview rounds.
There are various types of CCTV cameras such as dome, bullet, PTZ, thermal, and covert cameras.
Dome cameras are commonly used for indoor surveillance and have a wide-angle view.
Bullet cameras are weatherproof and have a longer range than dome cameras.
PTZ cameras can pan, tilt, and zoom to cover a larger area.
Thermal cameras use heat signatures to detect movement and are often used in low-light environments.
Covert camer...
CCTV stands for Closed Circuit Television. It is a system of video cameras used for surveillance and security purposes.
CCTV cameras are commonly used in public places like banks, airports, and shopping malls.
They can also be used in homes and businesses for security purposes.
CCTV footage can be used as evidence in criminal investigations.
The use of CCTV has raised concerns about privacy and civil liberties.
Advancements...
I applied via Campus Placement and was interviewed before Jul 2020. There were 3 interview rounds.
posted on 18 Feb 2021
I applied via Company Website and was interviewed before Feb 2020. There were 5 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Jan 2024. There was 1 interview round.
Online interview and shared my experience.
I applied via Recruitment Consulltant and was interviewed before Jun 2023. There were 2 interview rounds.
Single phase and three phase are two types of electrical power distribution systems.
Single phase has one live conductor and one neutral conductor, while three phase has three live conductors and one neutral conductor.
Single phase is commonly used in residential and small commercial applications, while three phase is used in industrial and large commercial applications.
Single phase power supply is suitable for low power...
R, Y, B phases are the three phases of AC power supply. They differ in their phase angle and voltage level.
R phase has a phase angle of 0 degrees and is usually connected to the red wire.
Y phase has a phase angle of 120 degrees and is usually connected to the yellow wire.
B phase has a phase angle of 240 degrees and is usually connected to the blue wire.
The voltage level of each phase is the same, but they are out of ph...
In series, voltage adds up while current remains the same. In parallel, voltage remains the same while current adds up.
In series, batteries are connected end-to-end, positive to negative. In parallel, batteries are connected positive to positive and negative to negative.
Series connection increases voltage but does not increase current. Parallel connection increases current but does not increase voltage.
Series connectio...
Periodic maintenance of batteries is crucial for their longevity and optimal performance.
Check the battery terminals for corrosion and clean them if necessary
Inspect the battery case for any cracks or damage
Ensure that the battery is securely fastened in place
Check the electrolyte level and top up with distilled water if required
Test the battery voltage and recharge if necessary
A faulty battery can be identified by checking its voltage, capacity, and physical appearance.
Check the voltage of the battery using a multimeter
Test the capacity of the battery using a battery tester
Inspect the physical appearance of the battery for any signs of damage or leakage
Check the battery terminals for corrosion or loose connections
Compare the battery's performance to its specifications
FUSE, MCB, ELCB, and RCCB are all electrical protection devices, but they differ in their functions and applications.
FUSE is a simple device that protects electrical circuits from overloading or short-circuiting by melting and breaking the circuit.
MCB (Miniature Circuit Breaker) is an automatic switch that trips and cuts off the power supply when there is an overload or short-circuit.
ELCB (Earth Leakage Circuit Breaker...
A DOL starter is a direct online motor starter that provides full voltage to the motor.
Consists of a contactor, overload relay, and start/stop buttons
The contactor connects the motor to the power supply
The overload relay protects the motor from overloading
The start/stop buttons control the on/off function of the motor
Used for small motors with low starting current
Not suitable for large motors or motors with high starti
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