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Chemvap Engineering Private Limited

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Idyllic Services Interview Questions and Answers

Updated 13 Dec 2024

Q1. Any cost reduction experience related to process plants?

Ans.

Yes, I have experience in implementing cost reduction strategies in process plants.

  • Implemented lean manufacturing principles to reduce waste and improve efficiency

  • Optimized equipment maintenance schedules to minimize downtime and reduce costs

  • Negotiated better pricing with suppliers to lower material costs

  • Introduced automation technologies to streamline processes and reduce labor costs

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Q2. What is Coefficient of Control valve?

Ans.

The coefficient of a control valve is a measure of the valve's flow capacity relative to the pressure drop across it.

  • The coefficient of a control valve, also known as the flow coefficient (Cv), is a dimensionless number that represents the flow capacity of the valve for a given pressure drop.

  • It is used to compare the performance of different valves and is typically determined experimentally.

  • A higher coefficient indicates a greater flow capacity for a given pressure drop.

  • The f...read more

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Q3. What is pump hydraulic calculation?

Ans.

Hydraulic calculation for pumps involves determining the flow rate, pressure, power, and efficiency of a pump system.

  • Calculate flow rate using the formula Q = VA, where Q is flow rate, V is velocity, and A is cross-sectional area.

  • Determine pressure using the formula P = F/A, where P is pressure, F is force, and A is area.

  • Calculate power using the formula P = Q*H*rho*g, where P is power, Q is flow rate, H is head, rho is fluid density, and g is acceleration due to gravity.

  • Calc...read more

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Q4. Describe Detailed Pump hydraulic calculation?

Ans.

Pump hydraulic calculation involves determining the pump head, flow rate, and power requirements for a specific system.

  • Calculate total dynamic head (TDH) by adding the static head, friction head, and velocity head

  • Determine the required flow rate based on system requirements

  • Calculate the pump power requirements using the formula: Power (kW) = (Q x TDH) / (3.6 x efficiency)

  • Consider factors such as pump efficiency, pipe size, and fluid properties in the calculations

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Q5. Troubleshooting experience in process plants?

Ans.

I have extensive troubleshooting experience in process plants, identifying and resolving issues to ensure smooth operations.

  • Identifying root causes of process issues

  • Developing and implementing solutions to improve efficiency

  • Collaborating with cross-functional teams to troubleshoot complex problems

  • Utilizing data analysis and problem-solving skills

  • Adapting quickly to changing situations and priorities

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Q6. What are types of pumps?

Ans.

Types of pumps include centrifugal pumps, positive displacement pumps, and axial flow pumps.

  • Centrifugal pumps: use a rotating impeller to increase the pressure of a fluid.

  • Positive displacement pumps: trap a fixed amount of fluid and then force it into a discharge pipe.

  • Axial flow pumps: move fluid parallel to the pump shaft.

  • Examples: Centrifugal pump - water pump, Positive displacement pump - diaphragm pump, Axial flow pump - propeller pump

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