Bahwan Engineering Mechanical Engineer Interview Questions and Answers

Q1. Related to cad and design
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Q1. 1. Diff. Type Flow Meter Concept 2. Temperature Compensation in thermocouple 3. SPI modules 4. Level Mesurment
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Q1. Personal Questions about salary negotiation
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Q1. Questions will be asked on previous company roles and responsibilities.
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Q2. Depends upon previous experience.
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Q1. Basics on structure and finishings
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Q2. Questions on structure and finishings
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Q1. What is the types of Compressors?
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Types of compressors include reciprocating, rotary, centrifugal, and axial compressors.
• Reciprocating compressors use pistons to compress air or gas.

• Rotary compressors use rotating mechanisms such as screws or vanes.

• Centrifugal compressors use a rotating impeller to create centrifugal force.

• Axial compressors use rotating blades to compress air in a straight line.

• Examples include reciprocating air compressors, rotary scr...read more
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Q2. What are the Procedure to install the Centrifugal axial compressors?.
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The procedure to install centrifugal axial compressors involves proper planning, alignment, assembly, and testing.
• Ensure proper foundation is prepared to support the compressor

• Align the compressor with the piping system for proper flow

• Assemble the compressor components according to manufacturer's instructions

• Test the compressor for performance and efficiency before final installation
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Q3. Types of pump and it's classifications?
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Types of pumps include centrifugal, positive displacement, and axial flow pumps.
• Centrifugal pumps: use centrifugal force to move fluid through the pump

• Positive displacement pumps: move fluid by trapping a fixed amount and forcing it through the discharge port

• Axial flow pumps: move fluid parallel to the pump shaft
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Q4. Lifting Plan Procedure?
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A lifting plan procedure is a detailed plan outlining the steps and precautions to be taken when lifting heavy objects.
• Identify the weight and dimensions of the object to be lifted

• Determine the appropriate lifting equipment needed

• Assess the location and environment for any obstacles or hazards

• Assign roles and responsibilities to team members involved in the lift

• Communicate clearly and follow the plan step by step

• Conduc...read more
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Q5. Pumps Capacity?
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Pumps capacity refers to the maximum flow rate a pump can handle.
• Pumps capacity is typically measured in gallons per minute (GPM) or liters per minute (LPM).

• It is important to consider the required flow rate when selecting a pump for a specific application.

• Factors such as pump size, motor power, and system pressure affect the capacity of a pump.

• For example, a centrifugal pump may have a capacity of 500 GPM, while a dia
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Q6. Methods statement of rotating and static equipment.
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Methods statement for maintaining rotating and static equipment in mechanical engineering.
• Regular inspection and maintenance schedules for both rotating and static equipment

• Use of proper lubrication for rotating equipment to prevent wear and tear

• Checking alignment and balance of rotating equipment to ensure smooth operation

• Testing and calibrating static equipment for accuracy and efficiency

• Following manufacturer's guid...read more
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Q1. What is the hydraulic gradient line?
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The hydraulic gradient line is a line representing the total head of water at various points along a flow path in a hydraulic system.
• It is a graphical representation of the total head of water in a hydraulic system.

• It shows the energy level of water at different points along a flow path.

• The slope of the hydraulic gradient line indicates the direction and rate of flow of water.

• It is used in analyzing flow patterns and d...read more
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Q2. What are the methods for managing floods?
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Methods for managing floods include structural measures, non-structural measures, and preparedness planning.
• Structural measures include building dams, levees, and flood walls to control water flow.

• Non-structural measures involve land-use planning, zoning regulations, and wetland preservation to reduce flood risk.

• Preparedness planning includes early warning systems, evacuation plans, and community education on flood saf...read more
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Q3. What is prestress concrete?
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Prestressed concrete is a type of concrete that has been compressed prior to being subjected to loads.
• Prestressed concrete is created by introducing internal stresses in the concrete before it is subjected to external loads.

• This compression helps to counteract the tensile stresses that the concrete will experience during use.

• Prestressed concrete is commonly used in bridges, parking structures, and high-rise buildings.

• E...read more
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Q4. What is Flood Wall?
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A flood wall is a structure designed to prevent flooding by holding back water.
• Flood walls are typically made of concrete, steel, or other strong materials.

• They are commonly used along rivers, coastlines, and other areas prone to flooding.

• Flood walls can vary in height and design depending on the level of protection needed.

• Examples of flood walls include the Thames Barrier in London and the flood walls along the Missis
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The test is very difficult you have to complete all 20 questions which consist GC , subject related

Q1. What is the wave trape?
Ans. 
A wave trap is a device used in electrical engineering to prevent unwanted signals or frequencies from entering a system.
• Wave traps are typically used in power systems to filter out specific frequencies that can cause interference.

• They are designed to allow only desired signals to pass through while blocking unwanted signals.

• Wave traps can be used in substations, transmission lines, and other electrical systems to impr...read more
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Q2. Which types of circuit breaker use in substation
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Types of circuit breakers used in substations include air circuit breakers, oil circuit breakers, vacuum circuit breakers, and SF6 circuit breakers.
• Air circuit breakers are commonly used in low voltage applications.

• Oil circuit breakers are used in high voltage applications.

• Vacuum circuit breakers are compact and reliable, suitable for medium voltage applications.

• SF6 circuit breakers are used in high voltage substations
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Global warming ,covid-19, current affairs

Q1. What is the procedure for selection of material, calculations and realtime experience on projects.
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The procedure for material selection, calculations, and real-time experience in projects involves thorough research, analysis, and testing.
• Research different materials based on project requirements and constraints

• Perform calculations to determine material properties, dimensions, and feasibility

• Conduct tests and simulations to validate material selection and design choices

• Gain real-time experience through hands-on proje...read more
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