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A centrifugal pump is a mechanical device that uses rotational energy to move fluid through a piping system.
Uses rotational energy to create flow
Commonly used in industrial and municipal applications
Consists of an impeller that spins to create centrifugal force
Examples include water pumps, sewage pumps, and HVAC pumps
Compressor is a mechanical device that increases the pressure of a gas by reducing its volume.
Compressors can be classified into types based on their design and operation, such as reciprocating, rotary, centrifugal, and scroll compressors.
Reciprocating compressors use pistons to compress the gas, while rotary compressors use rotating mechanisms.
Centrifugal compressors use a rotating impeller to create high-velocity gas...
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posted on 17 Mar 2024
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
To hide lying maintenance mechanic jobs, one can falsify records, manipulate data, or cover up mistakes.
Falsify maintenance logs to show completed tasks that were not actually done
Manipulate equipment readings to make it appear that maintenance was performed
Cover up mistakes by quickly fixing issues before they are noticed
Provide false documentation or reports to show compliance with maintenance schedules
Yes, I have practically handled major overhauling work on rotary pumps.
Performed disassembly and reassembly of rotary pumps for maintenance and repair
Replaced worn out parts such as seals, bearings, and impellers
Inspected and tested pump components to ensure proper functioning
Adjusted pump settings and alignments for optimal performance
Trained junior technicians on rotary pump overhauling procedures
I applied via Walk-in and was interviewed in Apr 2024. There was 1 interview round.
I applied via Walk-in and was interviewed before Nov 2020. There were 2 interview rounds.
Drawing of starter for star delta and
A Lpbs wiring, load cell colour code connection
Motor overcurrent faults can be caused by various factors.
Overloading
Short circuits
Ground faults
Mechanical binding
Voltage imbalance
Inadequate cooling
Excessive starting
Inadequate wire size
Inadequate protection
Motor design flaws
Electrical faults in motors can include short circuits, open circuits, insulation breakdown, and overloading.
Short circuits occur when there is a direct connection between the motor windings, causing excessive current flow.
Open circuits happen when there is a break in the electrical path, preventing current from flowing.
Insulation breakdown occurs when the insulation material surrounding the motor windings deteriorates...
S1 duty refers to a continuous duty cycle of a motor or machine.
S1 duty means that the motor or machine can run continuously without any rest or cooling breaks.
It is typically used for applications where the load is constant and the motor or machine does not need to be turned off.
Examples of S1 duty applications include conveyor belts, pumps, and fans.
S1 duty is also known as continuous duty.
It is important to ensure t...
I was interviewed in Nov 2024.
posted on 28 Jan 2025
Certificate pump gear box maintenance
posted on 18 Jan 2024
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 2 interview rounds.
What your Aim...I Given Answer that my Aim is Growth in my life with work hard....
SF⁶ breaker is a type of circuit breaker that uses sulfur hexafluoride gas as the medium for extinguishing the arc.
SF⁶ breaker is commonly used in high-voltage electrical systems.
It is known for its excellent insulating properties and high dielectric strength.
The sulfur hexafluoride gas in the breaker acts as an effective cooling and arc-quenching medium.
SF⁶ breaker is often used in power transmission and distribution ...
There are two types of motors: AC motors and DC motors.
AC motors are powered by alternating current and are commonly used in household appliances and industrial machinery.
DC motors are powered by direct current and are often found in battery-operated devices and electric vehicles.
There are two types of electricity: static electricity and dynamic electricity.
Static electricity is the buildup of electric charge on an object without any flow of electric current.
Dynamic electricity is the flow of electric charge through a conductor.
Examples of static electricity include rubbing a balloon on hair and getting shocked by touching a doorknob.
Examples of dynamic electricity include the electricity flowi...
The voltage in HT lines can vary depending on the application, but common voltages include 11kV, 25kV, 33kV, 66kV, 132kV, 220kV, 400kV, and 500kV.
HT lines typically carry higher voltages than low-tension lines.
The voltage in HT lines is used for transmitting electricity over long distances.
Higher voltage levels in HT lines reduce power losses during transmission.
Examples of HT lines include transmission lines for power
A CT is a Current Transformer used to measure the flow of current.
CT stands for Current Transformer.
It is a device used to step down high currents to a safe level for measurement or protection purposes.
CTs are commonly used in electrical power systems to monitor and control current flow.
They consist of a primary winding and a secondary winding, where the primary winding is connected in series with the current being mea...
posted on 17 May 2024
I applied via Walk-in and was interviewed before May 2023. There was 1 interview round.
HT capacitor nct working principle involves storing electrical energy in an electric field.
HT capacitors store electrical energy in an electric field
They are used in high voltage applications to improve power factor and reduce reactive power
The working principle involves charging and discharging of the capacitor to regulate voltage levels
A Dol Control wiring diagram drawing is a schematic representation of the wiring connections for a Direct-On-Line motor control system.
DOL Control wiring diagrams typically show the connections between the motor, contactor, overload relay, and power supply.
The diagram may include symbols for components such as motor starters, fuses, switches, and terminals.
It is important to follow the wiring diagram accurately to ensu...
Yes, I have experience in maintaining HT motors and troubleshooting issues.
Yes, I have experience in maintaining HT motors and troubleshooting any issues that may arise.
I am familiar with conducting regular maintenance checks on HT motors to ensure they are functioning properly.
I have the skills to diagnose and repair any problems that may occur with HT motors, such as overheating or electrical issues.
I applied via Referral and was interviewed in Apr 2023. There were 5 interview rounds.
Exlent questions in aptitude test.
Posted location ,in any one location in Himachal Pradesh and North site
based on 3 interviews
Interview experience
based on 1 review
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Asahi India Glass
Hindustan Sanitaryware & Industries
Corning Technologies
PPG Industries