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I applied via Company Website and was interviewed in Nov 2023. There were 2 interview rounds.
Motor bearings can be damaged due to various reasons such as lack of lubrication, contamination, overloading, misalignment, or improper installation.
Lack of lubrication can cause increased friction and heat, leading to bearing failure.
Contamination from dirt, dust, or moisture can accelerate wear and tear on the bearings.
Overloading the motor can put excessive stress on the bearings, causing them to fail prematurely.
Mi...
VFD controls motor speed by varying frequency, while soft starter reduces voltage during motor start to limit current.
VFD adjusts motor speed by changing frequency of input power
Soft starter limits current during motor start by reducing voltage
VFD provides precise control over motor speed and torque
Soft starter is simpler and cheaper option for reducing motor start-up current
VFD is more energy efficient compared to sof
Electrostatic Tar Precipitator uses electrostatic forces to remove tar particles from gas streams.
Uses high voltage to ionize gas particles
Charged particles are attracted to oppositely charged plates
Tar particles stick to plates and are removed
Commonly used in industrial applications like power plants and refineries
Earthing is the process of connecting the non-current carrying part of electrical equipment to the earth, while grounding is the process of connecting the current carrying part of electrical equipment to the earth.
Earthing is used to protect against electrical shock by providing a path for fault currents to flow safely into the ground.
Grounding is used to ensure proper functioning of electrical systems by providing a r...
Main causes of communication failure in DCS include network issues, hardware failures, software glitches, and human error.
Network issues such as poor connectivity or network congestion can lead to communication failure.
Hardware failures like malfunctioning cables, routers, or switches can disrupt communication.
Software glitches in the DCS system can cause communication breakdowns.
Human error, such as incorrect configur...
HV transmission lines are not grounded to prevent unwanted current flow and ensure safety.
HV transmission lines operate at high voltages, typically above 69 kV, to efficiently transmit electricity over long distances.
Grounding HV transmission lines can lead to unwanted current flow, power losses, and safety hazards.
Insulation and proper design of HV transmission lines help prevent electrical faults and ensure reliable ...
Amendment bill is a change or addition to an existing bill, while supply and adjust bill is a bill that authorizes the government to spend money.
Amendment bill involves making changes or additions to an existing bill, while supply and adjust bill authorizes government spending.
Amendment bill typically revises specific provisions of a bill, while supply and adjust bill deals with budget allocations.
Basic parameters to c...
Proprietary indent is for specific brand products while single tender indent is for any brand products.
Proprietary indent is used when a specific brand or product is required for a project.
Single tender indent allows for multiple brands or products to be considered for the project.
Proprietary indent may limit competition and increase costs, while single tender indent promotes competition and potentially lowers costs.
Ex...
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posted on 20 Apr 2023
The question is unclear and lacks context.
The number of steel bindings a labor can do in a day depends on various factors such as the size of the steel bars, the complexity of the structure, and the experience of the labor.
Similarly, the number of execution works a labor can do in a day depends on the type of work, the tools and equipment available, and the experience of the labor.
Expectations from the company can vary...
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
The apti was pretty tough
posted on 24 Aug 2021
I applied via Walk-in and was interviewed in Feb 2021. There was 1 interview round.
posted on 14 Apr 2022
I applied via Campus Placement and was interviewed before Apr 2021. There were 2 interview rounds.
Logical reasoning, Basic mathematics, finance and accounts
I was interviewed in Feb 2017.
Some of the top questions asked at the Mecon Senior Executive Engineer interview -
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Engineers India
BHEL
TCS
Larsen & Toubro Limited