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Gharda Chemicals Limited
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I was interviewed before Feb 2024.
A DOL starter is a Direct-On-Line starter used to start induction motors by directly connecting them to the power supply.
DOL starters provide full voltage to the motor during starting.
They are simple in design and cost-effective.
Commonly used in applications where the motor load is constant and does not require speed control.
Example: Starting a water pump motor in a residential building.
There are various types of motors including DC motors, AC motors, stepper motors, and servo motors.
DC motors operate on direct current and are commonly used in household appliances and electric vehicles.
AC motors operate on alternating current and are used in industrial applications.
Stepper motors move in precise increments and are commonly used in 3D printers and CNC machines.
Servo motors are controlled by a feedback ...
There are various types of starters used in electrical engineering, such as DOL starter, star-delta starter, and soft starter.
Direct On-Line (DOL) starter is the simplest type, providing full voltage to the motor at start.
Star-delta starter reduces the starting current by initially connecting the motor in star configuration and then switching to delta.
Soft starter gradually increases the voltage to the motor, reducing ...
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Distillation column and heat exchanger design
Distillation column design involves determining the number of trays, column diameter, and height
Heat exchanger design involves selecting the appropriate type of exchanger, sizing the heat transfer area, and determining the heat transfer coefficient
Factors to consider in both designs include the properties of the fluids being processed, flow rates, and pressure drop
Computer s...
I applied via Walk-in and was interviewed in Jul 2022. There were 2 interview rounds.
A single mechanical seal consists of one set of sealing surfaces, while a double mechanical seal consists of two sets of sealing surfaces.
Single mechanical seals are commonly used in applications with low to moderate pressure and temperature.
Double mechanical seals are used in applications with high pressure and temperature to provide an extra layer of protection.
Single mechanical seals are simpler and easier to instal...
The type of gearbox used in SSR reactors is typically a helical gearbox.
SSR reactors commonly use helical gearboxes for their efficient power transmission.
Helical gearboxes have high load-carrying capacity and smooth operation.
They are suitable for applications requiring high torque and low noise levels.
Examples of helical gearboxes used in SSR reactors include inline helical gearboxes and parallel shaft helical gearbo
posted on 15 Oct 2023
I applied via Company Website and was interviewed in Apr 2023. There were 3 interview rounds.
I applied via Referral and was interviewed before Oct 2022. There were 4 interview rounds.
I applied via Recruitment Consultant and was interviewed in Jun 2020. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed before Aug 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Oct 2020. There were 4 interview rounds.
Series reactors are used in transmission lines to limit the flow of current and improve system stability.
Series reactors are used to limit the flow of current in a transmission line.
They improve system stability by reducing voltage fluctuations and power surges.
They can also be used to compensate for line capacitance and improve power factor.
Examples of series reactors include air-core reactors, iron-core reactors, and...
Yes, core loss depends upon frequency.
Core loss is the energy lost in the magnetic core of a transformer or inductor.
It is caused by hysteresis and eddy current losses.
Hysteresis loss is proportional to the frequency and magnetic flux density.
Eddy current loss is proportional to the square of the frequency and the thickness of the core.
Higher frequency leads to higher core loss, which can cause overheating and reduced
I applied via Recruitment Consultant and was interviewed in May 2021. There were 3 interview rounds.
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