Simar Infrastructures Mechanical Maintenance Engineer Interview Questions and Answers

It was good, but a bit tricky

Q1. What is the damped frequency response of a vibrating spring mass system
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Q2. Why do you want the job
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Q1. Only my introduction
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Q1. How much Type of pumps use in industry
Ans. 
There are various types of pumps used in industries, including centrifugal pumps, positive displacement pumps, and diaphragm pumps.
• Centrifugal pumps are commonly used for transferring liquids in industries.

• Positive displacement pumps are used for high viscosity fluids and in applications requiring high pressure.

• Diaphragm pumps are suitable for handling corrosive or abrasive fluids.

• Other types of pumps used in industrie...read more
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Q2. How much Type of pipes
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There are various types of pipes used in engineering, including steel, copper, PVC, and HDPE.
• Steel pipes

• Copper pipes

• PVC pipes

• HDPE pipes
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Q3. How to prepare sop
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Preparing a standard operating procedure (SOP) involves documenting step-by-step instructions for a specific task or process.
• Identify the task or process that needs an SOP

• Break down the task into smaller steps

• Document each step clearly and concisely

• Include any necessary diagrams, images, or videos for clarity

• Review and revise the SOP regularly to ensure accuracy and effectiveness
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Q4. How many types of bearing
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There are several types of bearings used in mechanical engineering.
• Plain bearings

• Rolling element bearings (ball bearings, roller bearings)

• Jewel bearings

• Fluid bearings

• Magnetic bearings
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Q5. Where we use roller bearing
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Roller bearings are used in various applications to reduce friction between moving parts.
• Used in automotive industry for wheel hubs, transmissions, and engines

• Commonly used in industrial machinery such as conveyor systems and pumps

• Found in household appliances like ceiling fans and washing machines

• Utilized in aerospace applications for aircraft landing gear and engines
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Q1. Are you know the batching plant erection and how many years of experience
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Yes, I have experience in batching plant erection for 3 years.
• I have worked on the erection of batching plants for 3 years

• I am familiar with the process of setting up and installing batching plants

• I have experience in troubleshooting and maintenance of batching plants

• I have knowledge of the safety protocols and regulations related to batching plant erection
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Q2. Yes and 5 years above are preferred
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Q1. Why you are quite the present company
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Q2. Professional growth and working culture
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Q1. Types of air conditioning
Ans. 
Types of air conditioning include central air conditioning, window units, split systems, and portable units.
• Central air conditioning: cools the entire house through ducts and vents

• Window units: installed in windows and cool a single room

• Split systems: have components both inside and outside the home

• Portable units: can be moved from room to room and do not require installation
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Q2. Bernouli equation
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Q1. Thermal / combined power plant cycle
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Q2. BoP system design
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BoP system design involves the layout and configuration of balance of plant components to support the main system.
• Consider the overall system requirements and constraints

• Design the layout to optimize efficiency and performance

• Select appropriate components and materials for each subsystem

• Ensure proper integration and communication between components

• Account for maintenance and safety considerations
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Q3. Pump performance curve parameters
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Pump performance curve parameters include flow rate, head, efficiency, and power consumption.
• Flow rate: the volume of fluid pumped per unit of time

• Head: the height to which the pump can raise the fluid

• Efficiency: the ratio of output power to input power

• Power consumption: the amount of power required to operate the pump

• Example: A pump with a flow rate of 1000 gpm, head of 50 ft, efficiency of 80%, and power consumption
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Q4. Steam system equipment
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