SANDHYA GROUP Mechanical Maintenance Engineer Interview Questions and Answers

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Q1. Tell about your self
Ans. 
I am a dedicated Mechanical Engineer with a strong background in designing and implementing mechanical systems.
• Graduated with a degree in Mechanical Engineering from XYZ University

• Proficient in CAD software such as SolidWorks and AutoCAD

• Experienced in conducting stress analysis and simulations for mechanical components

• Worked on projects involving HVAC systems design and optimization
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Q2. What is your goals
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My goal is to continuously improve my technical skills, contribute to innovative projects, and eventually become a lead engineer in the field.
• Continuously improve technical skills through ongoing education and training

• Contribute to innovative projects by proposing and implementing new ideas

• Work towards becoming a lead engineer by taking on more responsibilities and leadership roles
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Q1. Mechanical seal
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Equipment handled in past

Q1. Working principal of Plate heat exchanger
Ans. 
Plate heat exchanger works on the principle of transferring heat between two fluids through metal plates.
• Consists of multiple plates with small gaps in between for fluid flow

• Hot and cold fluids flow on opposite sides of the plates

• Heat is transferred through the plates from hot fluid to cold fluid

• Efficient in transferring heat due to large surface area of plates

• Commonly used in HVAC systems, refrigeration, and industria
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Q2. NPSH of Pump and its importance while pump selection
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NPSH of Pump is Net Positive Suction Head, crucial for preventing cavitation in pumps during operation.
• NPSH is the measure of a pump's ability to prevent cavitation by maintaining a sufficient pressure at the suction inlet.

• It is important to consider NPSH when selecting a pump to ensure it can operate effectively without cavitation.

• Factors affecting NPSH include pump design, fluid properties, and operating conditions.

• N...read more
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Q1. FRP GRP line fitting and joint
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Q2. Centrifugal pump operation and maintenance
Ans. 
Centrifugal pumps are used to move fluids through a piping system. Proper operation and maintenance are crucial for optimal performance.
• Ensure the pump is properly primed before starting

• Regularly check and replace worn or damaged impellers and seals

• Monitor and maintain proper fluid levels and pressure

• Regularly inspect and clean the pump and surrounding area

• Follow manufacturer's recommended maintenance schedule

• Train per...read more
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Q1. What you know about boiler
Ans. 
A boiler is a closed vessel used to generate steam or hot water for heating or power generation.
• Boilers can be fueled by various sources such as natural gas, oil, coal, or biomass.

• Boilers can be classified into different types such as fire-tube, water-tube, and electric boilers.

• Boilers require regular maintenance to ensure efficient and safe operation.

• Boilers are commonly used in industries such as power generation, ch...read more
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Q2. What you know about company
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