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Gharda Chemicals Limited
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Sheffy valve setting is the pressure at which the safety valve of a boiler is set to open and release excess steam.
Sheffy valve setting is crucial for maintaining safe pressure levels in a boiler.
It is typically set slightly above the maximum allowable working pressure of the boiler.
The setting is determined based on the design and capacity of the boiler.
Regular maintenance and testing of the safety valve is important ...
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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
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...
posted on 15 Oct 2023
I applied via Company Website and was interviewed in Apr 2023. There were 3 interview rounds.
I applied via Approached by Company and was interviewed before Nov 2023. There was 1 interview round.
I applied via Walk-in and was interviewed in Dec 2019. There was 1 interview round.
Questions related to reactor types, distillation, heat transfer, fire safety, work permits, and plant processes.
Types of reactors include batch, continuous stirred tank, and plug flow.
Types of distillation include simple, fractional, and vacuum distillation.
Vacuum distillation is used to separate compounds with high boiling points.
Vacuum pumps are used to create a vacuum in a system.
Exothermic reactions release heat, w...
I applied via Recruitment Consulltant and was interviewed in Sep 2022. There were 3 interview rounds.
Types of transformers include power, distribution, isolation, autotransformer. Parts include core, winding, tap changer, bushing.
Types of transformers: power, distribution, isolation, autotransformer
Parts of transformer: core, winding, tap changer, bushing
Power transformer is used for high voltage transmission
Distribution transformer is used for low voltage distribution
Isolation transformer is used for safety purposes
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ACB and VCB breakers are electrical devices used for circuit protection.
ACB stands for Air Circuit Breaker and VCB stands for Vacuum Circuit Breaker.
ACBs use air as the medium to extinguish the arc while VCBs use vacuum.
Both breakers are used for circuit protection and can be found in power distribution systems.
ACBs and VCBs have similar parts including contacts, arc chutes, trip units, and operating mechanisms.
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