Aarti Industries Junior Engineer Interview Questions and Answers

DCS stands for Distributed Control System. It is a control system used to control and monitor industrial processes.

• DCS is used in industries to control processes such as manufacturing, power generation, and oil refining.

• It consists of multiple control units distributed throughout a plant or facility.

• DCS allows for centralized monitoring and control of various processes, improving efficiency and safety.

• Examples of DCS i...read more

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

Bubble point is the pressure at which the first bubble of vapor is formed in a liquid-vapor mixture.

• Bubble point is the pressure at which a liquid-vapor mixture starts to boil.

• It is a critical parameter in the design and operation of distillation columns.

• Bubble point can be determined experimentally using a bubble point tester.

Molarity is a measure of the concentration of a solute in a solution.

• Molarity is defined as the number of moles of solute per liter of solution.

• It is represented by the formula M = moles of solute / liters of solution.

• For example, a solution containing 0.5 moles of NaCl in 1 liter of water has a molarity of 0.5 M.