Gharda Chemicals Limited Assistant Engineer Interview Questions and Answers

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...read more

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...read more