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Gurit India Interview Questions and Answers

Updated 8 May 2024

Q1. Distillation column design principles

Ans.

Distillation column design principles involve understanding the separation process, heat transfer, and fluid dynamics.

  • Understanding the separation process is crucial for designing an efficient distillation column.

  • Consider the heat transfer requirements to ensure proper temperature control within the column.

  • Fluid dynamics play a key role in determining the flow patterns and efficiency of the distillation process.

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Q2. Critical speed of ball mill

Ans.

Critical speed of ball mill is the speed at which the centrifugal forces equal gravitational forces at the mill shell's inside surface.

  • Critical speed is calculated by the formula: Nc = 1/(2*pi*sqrt(D/g)) where Nc is the critical speed, D is the diameter of the mill in meters, and g is the acceleration due to gravity (9.81 m/s^2).

  • At critical speed, the grinding media in the mill starts rotating with the mill shell and no longer falls back, but stays on the perimeter of the mil...read more

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Q3. Strength of materials ( types of materials) Thermal And hydraulics ( pumps) Projects

Ans.

Strength of materials, thermal, hydraulics, and projects

  • Strength of materials refers to the study of how materials behave under different forces and loads

  • Types of materials commonly studied include metals, ceramics, polymers, and composites

  • Thermal engineering deals with the transfer of heat and the design of systems to control temperature

  • Hydraulics involves the study of fluid behavior and the use of pumps to move and control fluids

  • Projects in this context may refer to practic...read more

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Q4. Working of relays and types of relats

Ans.

Relays are electrically operated switches that control high power circuits with low power signals. Types include electromechanical, solid state, and reed relays.

  • Relays work by using an electromagnet to mechanically switch contacts open or closed.

  • Types of relays include electromechanical relays, solid state relays, and reed relays.

  • Electromechanical relays use an electromagnet to operate mechanical contacts.

  • Solid state relays use semiconductor devices to switch the circuit on a...read more

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Q5. What is single line Diagram

Ans.

A single line diagram is a simplified diagram that shows the electrical connections and components of a power system in a single line.

  • It is used to represent the electrical system in a simplified manner.

  • It shows the connections between various components like generators, transformers, circuit breakers, etc.

  • It helps in understanding the overall layout of the system and how different components are interconnected.

  • It is commonly used in power distribution systems and industrial ...read more

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Q6. How induction motor works?

Ans.

Induction motor works on the principle of electromagnetic induction to produce rotational motion.

  • A rotating magnetic field is produced by the stator winding

  • This magnetic field induces current in the rotor winding

  • The interaction between the magnetic field and the induced current produces torque, which causes the rotor to rotate

  • The speed of the rotor is slightly less than the speed of the rotating magnetic field

  • Induction motors are widely used in various applications such as fa...read more

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Q7. Different types of transformers?

Ans.

Transformers are of two types - Step-up and Step-down transformers.

  • Step-up transformers increase voltage while decreasing current.

  • Step-down transformers decrease voltage while increasing current.

  • Other types include isolation transformers, autotransformers, and instrument transformers.

  • Isolation transformers are used to isolate a circuit from the power source.

  • Autotransformers have a single winding and are used for voltage regulation.

  • Instrument transformers are used to measure v...read more

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