FDC Maintenance Engineer Interview Questions and Answers

Q1. Process equipment
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Q1. Process Maintenance
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Q1. Technical question they ask
Ans. Please go through all basic technical questions
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Q1. Maintenance plant operation
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Q2. Hvac maintenance process
Ans. 
HVAC maintenance process involves regular inspection, cleaning, and repair of heating, ventilation, and air conditioning systems.
• Regular inspection of HVAC systems to identify any potential issues

• Cleaning of air filters, ducts, and coils to ensure proper airflow and prevent contamination

• Repair or replacement of faulty components to maintain system efficiency

• Testing and balancing of airflows to ensure optimal performanc...read more
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Very easy to complete the test

Q1. Why should I hire you
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Q1. They ask me what are major problems of all analytical instruments in lab and how to diagnose the problem to resolve
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Q2. There is so many questions I have faced on that interview
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Q1. What is chiller and compressor
Ans. 
A chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle. A compressor is a mechanical device that increases the pressure of a gas by reducing its volume.
• A chiller is used to cool down water or other fluids in industrial or commercial settings.

• There are two types of chillers: vapor-compression and absorption.

• Compressors are used in refrigeration systems to compres...read more
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Q2. How many types of pumps
Ans. 
There are several types of pumps used in various industries.
• Centrifugal pumps

• Positive displacement pumps

• Axial flow pumps

• Mixed flow pumps

• Jet pumps

• Submersible pumps

• Diaphragm pumps

• Gear pumps

• Peristaltic pumps

• Rotary lobe pumps

• Screw pumps

• Vane pumps
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Q3. In the pump parts deference between any two pumps
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The pump parts can differ in terms of material, size, shape, and function.
• Different pumps may have different impellers, casings, shafts, bearings, and seals.

• The material used for the parts can vary depending on the type of fluid being pumped and the environment.

• The size and shape of the parts can also vary depending on the flow rate and pressure requirements.

• The function of the parts can differ based on the type of pum...read more
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Q4. Working principle of the solanoid Valve
Ans. 
Solenoid valve works on the principle of electromagnetism to control the flow of fluids or gases.
• It consists of a coil, plunger, and valve body

• When the coil is energized, it creates a magnetic field that pulls the plunger towards it

• This movement opens or closes the valve, allowing or blocking the flow of fluid or gas

• Used in various applications such as refrigeration, HVAC systems, and industrial automation
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